# GPT-5.6 Terra

> Source: Benchize (https://benchize.com) — https://benchize.com/models/gpt-5-6-terra. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/gpt-5-6-terra.

OpenAI

Canonical URL: https://benchize.com/models/gpt-5-6-terra
Last updated: Thu, 22 Oct 2026 06:30:09 GMT

Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations.

OpenAI

## Benchmarks

| Benchmark | Score | ± | Rank | Cost | Latency | Source |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| [Vending-Bench 2](https://benchize.com/benchmarks/vendingbench%3Av2.md) | — | — | — | $7,343.21 | — | [vendingbench](https://andonlabs.com/_app/immutable/chunks/Cjn0_qj9.js) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `final_balance` \| 7343.206 \| USD \| one_simulated_year \| Higher is better \| \| `geometric_mean_balance` \| 7304.278160188037 \| USD \| positive_final_balances \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration GPT-5.6 Terra thinkingEnabled Not reported ### Reported statistics confidenceHalfWidth95 731.6013586347534 positiveBalanceRuns 5 runCount 5 standardDeviation 834.6481481318935 standardError 373.2659993034456 ### Source [Original source](https://andonlabs.com/_app/immutable/chunks/Cjn0_qj9.js) Source vendingbench Original model label GPT-5.6 Terra Observed 2026-10-21T16:36:40.592Z Evidence SHA-256 `1a0b043147050298c405bcb743d73e425d532464202231cd18c27f836fa5f223` Source locator `/rows/34` |  |  |  |  |  |  |  |
| [DesignArena Browser game generation](https://benchize.com/benchmarks/designarena%3Agame-dev.md) | 1,230elo | — | 36 / 117 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=game-dev) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1230 \| elo \| game-dev \| Higher is better \| ### Configuration arenaType models category gamedev inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 58182 battles 14875 losses 7705 standardError Not reported winRate 48.2 wins 7170 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=game-dev) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:01.100Z Evidence SHA-256 `53db6a89112ce8cdf644568c666d4b8309aece764cfcedb291ffd52ae3934e30` Source locator `/data/55` |  |  |  |  |  |  |  |
| [DesignArena Image to HTML](https://benchize.com/benchmarks/designarena%3Aimage-to-html.md) | 1,186elo | — | 26 / 35 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=image-to-html) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1186 \| elo \| image-to-html \| Higher is better \| ### Configuration arenaType models category website inputModality image sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 51982 battles 5117 losses 2557 standardError Not reported winRate 50 wins 2560 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=image-to-html) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:37:58.959Z Evidence SHA-256 `94f97ebbdd53a8c56f138b620e59b3a9b35c66c3954dcaaa1b2ed4c71518b404` Source locator `/data/29` |  |  |  |  |  |  |  |
| [DesignArena Website generation](https://benchize.com/benchmarks/designarena%3Awebsite.md) | 1,269elo | — | 29 / 123 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=website) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1269 \| elo \| website \| Higher is better \| ### Configuration arenaType models category website inputModality text sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 64777 battles 36828 losses 17717 standardError Not reported winRate 51.9 wins 19111 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=website) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:37:57.757Z Evidence SHA-256 `51873e97776a3c5ae706b24cc2c60384793dd18398df970e213a8e7c276d8ac0` Source locator `/data/41` |  |  |  |  |  |  |  |
| [DesignArena Data visualization generation](https://benchize.com/benchmarks/designarena%3Adata-viz.md) | 1,239elo | — | 33 / 99 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=data-viz) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1239 \| elo \| data-viz \| Higher is better \| ### Configuration arenaType models category dataviz inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 56518 battles 5038 losses 2553 standardError Not reported winRate 49.3 wins 2485 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=data-viz) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:37:58.264Z Evidence SHA-256 `a895f6f1a25fa8eb01f821c2097ddec4f884de7bd22f1b8a22e82e6679b71849` Source locator `/data/49` |  |  |  |  |  |  |  |
| [OpenVibeEval Accessibility](https://benchize.com/benchmarks/openvibeeval%3Aaccessibility.md) | 80 | — | 6 / 32 | — | — | [openvibeeval](https://openvibeeval.com/leaderboard/) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `adjusted_score` \| 80 \| score \| sample_size_adjusted_accessibility \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration GPT-5.6 Terra thinkingEnabled Not reported ### Reported statistics runCount 8 ### Source [Original source](https://openvibeeval.com/leaderboard/) Source openvibeeval Original model label GPT-5.6 Terra Evaluated 2026-08-21 Observed 2026-10-22T06:20:03.682Z Evidence SHA-256 `f8bf65237be5f5dea4402ec650c39e0d49a8287f174d52a7c3e1bb7ede7b5530` Source locator `/rows/14` |  |  |  |  |  |  |  |
| [DesignArena Agentic web applications](https://benchize.com/benchmarks/designarena%3Awebapps.md) | 1,120elo | SE ±6.55 | 30 / 39 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=webapps) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1120 \| elo \| webapps \| Higher is better \| ### Configuration arenaType agents category agon_webapps inputModality text sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics Uncertainty Standard error: ±6.55 averageGenerationTimeMs Not reported battles 3548 losses 2233 standardError 6.552 winRate 37.1 wins 1315 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=webapps) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:00.309Z Evidence SHA-256 `f955787274cf4ac627ada7cd33eaae2e08ef7297db92d3391340fcaa0b44a35f` Source locator `/data/41` |  |  |  |  |  |  |  |
| [DesignArena ASCII art generation](https://benchize.com/benchmarks/designarena%3Aascii.md) | 1,177elo | — | 29 / 65 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=ascii) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1177 \| elo \| ascii \| Higher is better \| ### Configuration arenaType models category ascii inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 16111 battles 1418 losses 762 standardError Not reported winRate 46.3 wins 656 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=ascii) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:03.513Z Evidence SHA-256 `0603b8c65b44ee887f5b566feb469465f59635137a6ac5c6d94c23bcf3776311` Source locator `/data/39` |  |  |  |  |  |  |  |
| [DesignArena Agentic presentation generation](https://benchize.com/benchmarks/designarena%3Aagentic-slides.md) | 1,131elo | SE ±12.33 | 17 / 19 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=agentic-slides) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1131 \| elo \| agentic-slides \| Higher is better \| ### Configuration arenaType agents category agon_slides inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics Uncertainty Standard error: ±12.33 averageGenerationTimeMs Not reported battles 872 losses 514 standardError 12.3342 winRate 41.1 wins 358 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=agentic-slides) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:03.963Z Evidence SHA-256 `b732c5aba2e357cf6034f23084d5f95f8e8882f62b8bf3ee340f0cd5cd773724` Source locator `/data/25` |  |  |  |  |  |  |  |
| [DesignArena SVG generation](https://benchize.com/benchmarks/designarena%3Asvgs.md) | 1,220elo | — | 19 / 77 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=svgs) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1220 \| elo \| svgs \| Higher is better \| ### Configuration arenaType models category svg inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 22436 battles 6358 losses 3100 standardError Not reported winRate 51.2 wins 3258 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=svgs) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:03.249Z Evidence SHA-256 `8cbc34a474a66ef5c64f3ffe557df9b55bf7e13368c07c0214223e3ed8f3f21e` Source locator `/data/34` |  |  |  |  |  |  |  |
| [DesignArena Image to web application](https://benchize.com/benchmarks/designarena%3Aimage-to-webapp.md) | 1,085elo | SE ±15.68 | 23 / 24 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=image-to-webapp) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1085 \| elo \| image-to-webapp \| Higher is better \| ### Configuration arenaType agents category agon_webapps inputModality image sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics Uncertainty Standard error: ±15.68 averageGenerationTimeMs Not reported battles 546 losses 343 standardError 15.6791 winRate 37.2 wins 203 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=image-to-webapp) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:37:59.412Z Evidence SHA-256 `cc4e49fc057d3b786184ff44b697422e2420a174e8a98a80a77aa65021921ab4` Source locator `/data/30` |  |  |  |  |  |  |  |
| [DesignArena Overall frontend coding](https://benchize.com/benchmarks/designarena%3Acode.md) | 1,241elo | SE ±1.55 | 36 / 116 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=code) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1241 \| elo \| code \| Higher is better \| ### Configuration arenaType models category allcategories inputModality text sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics Uncertainty Standard error: ±1.55 averageGenerationTimeMs 59361 battles 74767 losses 38534 standardError 1.5543 winRate 48.5 wins 36233 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=code) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:37:57.301Z Evidence SHA-256 `0c897b58670f5e352bd123db999a40c0d1781a443964c502b90774a76a3a7758` Source locator `/data/59` |  |  |  |  |  |  |  |
| [DistressBench](https://benchize.com/benchmarks/scale%3Adistressbench.md) | 76.44source score | CI 75.36–77.52 | 7 / 27 | — | — | [scale](https://labs.scale.com/leaderboard/distressbench) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 76.44 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration gpt-5.6-terra sourceModelVersion gpt-5.6-terra thinkingEnabled Not reported ### Reported statistics Uncertainty Confidence interval: 75.36–77.52 contaminationWarning Not reported rank 8 reportedConfidenceHalfWidth 1.08 ### Source [Original source](https://labs.scale.com/leaderboard/distressbench) Source scale Original model label gpt-5.6-terra Observed 2026-10-22T03:30:05.896Z Evidence SHA-256 `6454425cf2678fa1119e99bffcdc827763d2b9c485395cb7aba2ef2e1f0cafbd` Source locator `/rows/7` |  |  |  |  |  |  |  |
| [EQ-Bench 4](https://benchize.com/benchmarks/eq-bench%3Aeqbench4.md) | 1,234elo | CI 1,225.3–1,244.5 | 11 / 26 | — | — | [eq bench · eqbench4](https://eqbench.com/eqbench4/eqbench4_data.js) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1234 \| elo \| overall \| Higher is better \| ### Configuration protocol eqbench4 ### Reported statistics Uncertainty Confidence interval: 1,225.3–1,244.5 confidenceIntervalHigh 1244.5 confidenceIntervalLow 1225.3 scenarios 120 ### Source [Original source](https://eqbench.com/eqbench4/eqbench4_data.js) Source eq bench Original model label gpt-5.6-terra Source version eqbench4 Observed 2026-10-22T05:10:04.699Z Evidence SHA-256 `188d8ea4a393978063a6c24dff6c92ce185169827038bfa558091212a68c29d8` Source locator `/models/10` |  |  |  |  |  |  |  |
| [DesignArena Agentic game development](https://benchize.com/benchmarks/designarena%3Aagentic-game-dev.md) | 1,083elo | SE ±14.34 | 17 / 17 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=agentic-game-dev) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1083 \| elo \| agentic-game-dev \| Higher is better \| ### Configuration arenaType agents category agentic_gamedev inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics Uncertainty Standard error: ±14.34 averageGenerationTimeMs Not reported battles 667 losses 429 standardError 14.3364 winRate 35.7 wins 238 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=agentic-game-dev) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:01.564Z Evidence SHA-256 `2bb291527289cec897df421c3c59427ce53230a312bf61790ba7ac6ca436bb4b` Source locator `/data/25` |  |  |  |  |  |  |  |
| [DesignArena Agentic HTML slide generation](https://benchize.com/benchmarks/designarena%3Aagentic-html-slides.md) | 1,108elo | — | 12 / 13 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=agentic-html-slides) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1108 \| elo \| agentic-html-slides \| Higher is better \| ### Configuration arenaType agents category agon_slides_html inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs Not reported battles 1014 losses 603 standardError Not reported winRate 40.5 wins 411 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=agentic-html-slides) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:04.391Z Evidence SHA-256 `02fccc0ebb2758ba116665bc1fcb2f049b9b2f1251c0f0bb29caed69ffaf0cb0` Source locator `/data/21` |  |  |  |  |  |  |  |
| [AutomationBench](https://benchize.com/benchmarks/zapier%3Aautomationbench.md) | 0.76% | — | 106 / 113 | $0.12 | — | [zapier](https://framerusercontent.com/sites/4WTSl4BNjd1q9QFEFibC6h/lOvLnhItj8S8-1vyjH_s33Jn-WmUXPmiJ5Diajl0Q38.CMutaHYl.mjs) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.76 \| percent \| reported \| Higher is better \| \| `cost` \| 0.12 \| USD \| per_task \| Lower is better \| ### Configuration benchmarkVersion 1.0.6 costFootnote false Fallback policy Not reported Reasoning effort unknown Model configuration GPT-5.6 Terra thinkingEnabled Not reported ### Reported statistics rank 119 ### Source [Original source](https://framerusercontent.com/sites/4WTSl4BNjd1q9QFEFibC6h/lOvLnhItj8S8-1vyjH_s33Jn-WmUXPmiJ5Diajl0Q38.CMutaHYl.mjs) Source zapier Original model label GPT-5.6 Terra Observed 2026-10-21T16:34:56.783Z Evidence SHA-256 `43978e38f018789fa59c11de5328abe9e5905bfa9a5a4d601fa3aa4d9c153b0d` Source locator `/rows/118` |  |  |  |  |  |  |  |
| [Vals Multimodal Index / swebench](https://benchize.com/benchmarks/vals-ai%3Avals_multimodal_index%3Aswebench.md) | 73.53% | SE ±4.37 pp | 14 / 20 | $0.29 | 142.06source duration | [Vals AI · 1.2](https://www.vals.ai/_astro/benchmark_view_vals_multimodal_index.virVpWMs.json) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 73.529 \| percent \| reported \| Higher is better \| \| `cost_per_test` \| 0.286403 \| USD \| per_test \| Lower is better \| \| `latency` \| 142.056 \| source_duration \| reported_duration \| Lower is better \| ### Configuration computeEffort Not reported harness Not reported maxOutputTokens Not reported provider Not reported reasoning Not reported Reasoning effort unknown Temperature Not reported topP Not reported verbosity Not reported ### Reported statistics Uncertainty Standard error: ±4.37 pp sourcePopulation 33 stderr 4.368 tokenTotals Not reported ### Source [Original source](https://www.vals.ai/_astro/benchmark_view_vals_multimodal_index.virVpWMs.json) Source Vals AI Original model label openai/gpt-5.6-terra Source version 1.2 Observed 2026-10-22T02:10:07.406Z Evidence SHA-256 `077b22575f6e075b7b78157d000ec8f94d7ead409c7dcbcf04887630ed572a2d` Source locator `/tasks/swebench/openai~1gpt-5.6-terra` |  |  |  |  |  |  |  |
| [DesignArena Native Android development](https://benchize.com/benchmarks/designarena%3Aandroid.md) | 1,066elo | — | 19 / 23 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=android) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1066 \| elo \| android \| Higher is better \| ### Configuration arenaType agents category nativeapps inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs Not reported battles 1431 losses 994 standardError Not reported winRate 30.5 wins 437 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=android) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:03.000Z Evidence SHA-256 `d9d0cd4bea54b696c28f907a98ba42ebf8dd4da9da201b6c70c95f76de35f525` Source locator `/data/30` |  |  |  |  |  |  |  |
| [DesignArena 3D design generation](https://benchize.com/benchmarks/designarena%3A3d-design.md) | 1,135elo | — | 57 / 110 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=3d-design) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1135 \| elo \| 3d-design \| Higher is better \| ### Configuration arenaType models category 3d inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 47192 battles 17443 losses 10989 standardError Not reported winRate 37 wins 6454 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=3d-design) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:37:58.515Z Evidence SHA-256 `bcc0267f7bc7e9ec112306b3a35413cf78bbccbfaa838356232d5d5ed0b83d0f` Source locator `/data/89` |  |  |  |  |  |  |  |
| [DesignArena Full-stack application development](https://benchize.com/benchmarks/designarena%3Afullstack.md) | 1,061elo | SE ±7.97 | 26 / 31 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=fullstack) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1061 \| elo \| fullstack \| Higher is better \| ### Configuration arenaType agents category fullstack inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics Uncertainty Standard error: ±7.97 averageGenerationTimeMs Not reported battles 2589 losses 1791 standardError 7.973 winRate 30.8 wins 798 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=fullstack) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:00.857Z Evidence SHA-256 `aa171459dd44cfad57fba8da746c40b27832b57dc731b1198bdb71c73ddd0f97` Source locator `/data/38` |  |  |  |  |  |  |  |
| [DesignArena Mobile application development](https://benchize.com/benchmarks/designarena%3Amobileapps.md) | 1,111elo | SE ±11.21 | 26 / 33 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=mobileapps) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1111 \| elo \| mobileapps \| Higher is better \| ### Configuration arenaType agents category mobileapps inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics Uncertainty Standard error: ±11.21 averageGenerationTimeMs Not reported battles 1096 losses 682 standardError 11.2087 winRate 37.8 wins 414 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=mobileapps) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:38:02.538Z Evidence SHA-256 `40af33d0e93e729486da375cbe954633e2458af0dd6ca6d9fbdcda90da650f7d` Source locator `/data/39` |  |  |  |  |  |  |  |
| [Longform Creative Writing](https://benchize.com/benchmarks/eq-bench%3Alongform-writing.md) | 78% | — | 21 / 93 | — | — | [eq bench · longform-writing](https://eqbench.com/creative_writing_longform.js) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `overall_score_100` \| 78.0 \| percent \| overall \| Higher is better \| \| `chapter1_avg` \| 16.35 \| rubric_score \| overall \| Higher is better \| \| `chapter2_avg` \| 15.90 \| rubric_score \| overall \| Higher is better \| \| `chapter3_avg` \| 15.98 \| rubric_score \| overall \| Higher is better \| \| `chapter4_avg` \| 15.83 \| rubric_score \| overall \| Higher is better \| \| `chapter5_avg` \| 16.00 \| rubric_score \| overall \| Higher is better \| \| `chapter6_avg` \| 15.86 \| rubric_score \| overall \| Higher is better \| \| `chapter7_avg` \| 15.75 \| rubric_score \| overall \| Higher is better \| \| `chapter8_avg` \| 15.80 \| rubric_score \| overall \| Higher is better \| \| `final_judgement_avg` \| 15.27 \| rubric_score \| overall \| Higher is better \| ### Configuration interactiveAdjustments none protocol longform-writing sourceModelVersion gpt-5.6-terra ### Source [Original source](https://eqbench.com/creative_writing_longform.js) Source eq bench Original model label gpt-5.6-terra Source version longform-writing Observed 2026-10-22T05:10:05.903Z Evidence SHA-256 `3ba283ce357ac7620e16db640a961879c30fe3ddc50a27de9a8ed4290784825c` Source locator `/leaderboardDataLongformV3/117` |  |  |  |  |  |  |  |
| [Creative Writing v3](https://benchize.com/benchmarks/eq-bench%3Acreative-writing-v3.md) | 1,854.9elo | — | 15 / 90 | — | — | [eq bench · creative-writing-v3](https://eqbench.com/creative_writing.js) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo_score` \| 1854.9 \| elo \| overall \| Higher is better \| \| `creative_writing_score` \| 16.56 \| rubric_score \| overall \| Higher is better \| ### Configuration interactiveAdjustments none protocol creative-writing-v3 sourceModelVersion gpt-5.6-terra ### Source [Original source](https://eqbench.com/creative_writing.js) Source eq bench Original model label gpt-5.6-terra Source version creative-writing-v3 Observed 2026-10-22T05:10:05.433Z Evidence SHA-256 `722ddb132e8d3a5e5c39b8d445f8475f3f7e24893a007260c6f3e3cce5c1ee18` Source locator `/leaderboardDataCreativeWritingV3/16` |  |  |  |  |  |  |  |
| [DesignArena UI component generation](https://benchize.com/benchmarks/designarena%3Aui-components.md) | 1,259elo | — | 32 / 112 | — | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=ui-components) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1259 \| elo \| ui-components \| Higher is better \| ### Configuration arenaType models category uicomponent inputModality Not reported sourceModelVersion gpt-5.6-terra variationName public ### Reported statistics averageGenerationTimeMs 49691 battles 6997 losses 3440 standardError Not reported winRate 50.8 wins 3557 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=ui-components) Source designarena Original model label GPT-5.6 Terra Source version public Observed 2026-10-21T16:37:57.993Z Evidence SHA-256 `46482ec1b4012638eace65493daea4750e2088098018fd9d5fc46126fc1f8557` Source locator `/data/51` |  |  |  |  |  |  |  |
| [NC Bench](https://benchize.com/benchmarks/nc-bench%3Aoverall.md) | 88.23% | — | 75 / 144 | — | — | [nc bench](https://www.nc-bench.com/models) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 88.23 \| percent \| reported \| Higher is better \| \| `tooling` \| 99.33 \| percent \| category \| Higher is better \| \| `creative_writing` \| 90.92 \| percent \| category \| Higher is better \| \| `language` \| 91.87 \| percent \| category \| Higher is better \| \| `utility` \| 77.09 \| percent \| category \| Higher is better \| \| `reasoning` \| 84.98 \| percent \| category \| Higher is better \| \| `text_editing` \| 98.21 \| percent \| category \| Higher is better \| \| `rule_following` \| 72.82 \| percent \| category \| Higher is better \| \| `hallucination` \| 90.63 \| percent \| category \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration GPT-5.6 Terra thinkingEnabled Not reported ### Source [Original source](https://www.nc-bench.com/models) Source nc bench Original model label GPT-5.6 Terra Observed 2026-10-22T06:10:03.426Z Evidence SHA-256 `ec261022458543624b08a136d01f5a2f0666cd52ffb49c64d6ca983e8543d1b5` Source locator `/rows/96` |  |  |  |  |  |  |  |
| [FinanceBenchmark v2](https://benchize.com/benchmarks/financebenchmark%3Av2.md) | 87.67% | CI 79.45–94.52% | 10 / 21 | — | — | [financebenchmark](https://finbenchmark.ai/) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `pass_at_1` \| 0.876712 \| score_fraction \| reported \| Higher is better \| \| `accuracy` \| 0.858447 \| score_fraction \| reported \| Higher is better \| \| `knowledge` \| 1 \| score_fraction \| category \| Higher is better \| \| `analysis` \| 1 \| score_fraction \| category \| Higher is better \| \| `quant` \| 0.466667 \| score_fraction \| category \| Higher is better \| \| `portfolio_mgmt` \| 0.833333 \| score_fraction \| category \| Higher is better \| \| `credit_underwriting` \| 1 \| score_fraction \| category \| Higher is better \| \| `banking_regulation` \| 1 \| score_fraction \| category \| Higher is better \| \| `derivatives_structuring` \| 1 \| score_fraction \| category \| Higher is better \| \| `corporate_finance` \| 1 \| score_fraction \| category \| Higher is better \| ### Configuration harnessVersion 0.2.0 Reasoning effort unknown sourceRunId f281d0dd-f941-47a8-a5fe-eb47ff9ca251 taskSetVersion v2 ### Reported statistics Uncertainty Confidence interval: 79.45–94.52% confidenceInterval [0.7945,0.9452] confidenceMethod percentile bootstrap over tasks, n=5000, alpha=0.05 sampleSize 73 ### Source [Original source](https://finbenchmark.ai/) Source financebenchmark Original model label gpt-5.6-terra Evaluated 2026-07-15T21:25:09.209419+00:00 Observed 2026-10-22T04:10:04.512Z Evidence SHA-256 `f9e7dab8846b092fc0befeca8c5cd02a8187c0f5b6b10c32ab2c7ab60f7af575` Source locator `/rows/13` |  |  |  |  |  |  |  |

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Cite as: GPT-5.6 Terra — Benchize, https://benchize.com/models/gpt-5-6-terra (retrieved 2026-10-22)