# Claude Sonnet 5.5 > Source: Benchize (https://benchize.com) — https://benchize.com/models/claude-sonnet-5-5. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/claude-sonnet-5-5. Anthropic Canonical URL: https://benchize.com/models/claude-sonnet-5-5 Last updated: Wed, 21 Oct 2026 18:52:20 GMT Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations. Anthropic ## Benchmarks | Benchmark | Score | ± | Rank | Cost | Source | | | --- | --- | --- | --- | --- | --- | --- | | [DesignArena 3D design generation](https://benchize.com/benchmarks/designarena%3A3d-design.md) | 1,452elo | — | 5 / 110 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=3d-design) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1452 \| elo \| 3d-design \| Higher is better \| ### Configuration arenaType models category 3d inputModality Not reported sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics averageGenerationTimeMs 396911 battles 263 losses 81 standardError Not reported winRate 69.2 wins 182 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=3d-design) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:37:58.515Z Evidence SHA-256 `bcc0267f7bc7e9ec112306b3a35413cf78bbccbfaa838356232d5d5ed0b83d0f` Source locator `/data/4` | | | | | | | | [DesignArena Agentic web applications](https://benchize.com/benchmarks/designarena%3Awebapps.md) | 1,306elo | SE ±15.85 | 5 / 39 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=webapps) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1306 \| elo \| webapps \| Higher is better \| ### Configuration arenaType agents category agon_webapps inputModality text sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics Uncertainty Standard error: ±15.85 averageGenerationTimeMs Not reported battles 515 losses 204 standardError 15.8479 winRate 60.4 wins 311 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=webapps) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:38:00.309Z Evidence SHA-256 `f955787274cf4ac627ada7cd33eaae2e08ef7297db92d3391340fcaa0b44a35f` Source locator `/data/4` | | | | | | | | [SimpleBench](https://benchize.com/benchmarks/simplebench%3Aavg-at-5.md) | 75.9% | — | 11 / 62 | — | [simplebench](https://simple-bench.com/static/js/leaderboard-data.js) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 75.9 \| percent \| average_at_5 \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Claude Sonnet 5.5 thinkingEnabled Not reported ### Reported statistics rank 15th ### Source [Original source](https://simple-bench.com/static/js/leaderboard-data.js) Source simplebench Original model label Claude Sonnet 5.5 Observed 2026-10-21T16:32:13.183Z Evidence SHA-256 `b2d0285ad3e4e15750ed20d39897e7558d1c05e8962e90c861b06f93c8019dc9` Source locator `/rows/16` | | | | | | | | [DesignArena Data visualization generation](https://benchize.com/benchmarks/designarena%3Adata-viz.md) | 1,394elo | — | 2 / 99 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=data-viz) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1394 \| elo \| data-viz \| Higher is better \| ### Configuration arenaType models category dataviz inputModality Not reported sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics averageGenerationTimeMs 241305 battles 118 losses 38 standardError Not reported winRate 67.8 wins 80 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=data-viz) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:37:58.264Z Evidence SHA-256 `a895f6f1a25fa8eb01f821c2097ddec4f884de7bd22f1b8a22e82e6679b71849` Source locator `/data/1` | | | | | | | | [DesignArena UI component generation](https://benchize.com/benchmarks/designarena%3Aui-components.md) | 1,366elo | — | 5 / 112 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=ui-components) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1366 \| elo \| ui-components \| Higher is better \| ### Configuration arenaType models category uicomponent inputModality Not reported sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics averageGenerationTimeMs 222024 battles 356 losses 136 standardError Not reported winRate 61.8 wins 220 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=ui-components) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:37:57.993Z Evidence SHA-256 `46482ec1b4012638eace65493daea4750e2088098018fd9d5fc46126fc1f8557` Source locator `/data/4` | | | | | | | | [Rapidata SVG generation — Overall preference](https://benchize.com/benchmarks/rapidata%3Asvg%3Aoverall.md) | 1,398.47elo | CI 1,381.46–1,415.48 | 2 / 37 | — | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1398.4714302455168 \| elo \| overall \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion overall participantId par_1WTTMAZoeeConj sourceModelVersion claude-sonnet-5.5 weighted false ### Reported statistics Uncertainty Confidence interval: 1,381.46–1,415.48 confidenceIntervalLowerOffset 17.011766652905862 confidenceIntervalUpperOffset 17.011766652905862 totalMatches 10803.355335884113 wins 7777.103183558558 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query) Source rapidata Original model label claude-sonnet-5.5 Source version v1 Observed 2026-10-21T16:37:39.078Z Evidence SHA-256 `4b73ff7e4ca0ecfd64f7888c2d64f3398a058c945c4644acd54eddb330e16d66` Source locator `/items/4` | | | | | | | | [Rapidata SVG generation — Alignment](https://benchize.com/benchmarks/rapidata%3Asvg%3Arlb_1MFkk9yZHssERh.md) | 1,532.66elo | CI 1,500.96–1,564.37 | 2 / 37 | — | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkk9yZHssERh) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1532.6638474109877 \| elo \| rlb_1MFkk9yZHssERh \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion rlb_1MFkk9yZHssERh participantId par_1WTTMAZoeeConj sourceModelVersion claude-sonnet-5.5 weighted false ### Reported statistics Uncertainty Confidence interval: 1,500.96–1,564.37 confidenceIntervalLowerOffset 31.70565086652141 confidenceIntervalUpperOffset 31.70565086652141 totalMatches 3601 wins 2774 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkk9yZHssERh) Source rapidata Original model label claude-sonnet-5.5 Source version v1 Observed 2026-10-21T16:37:40.342Z Evidence SHA-256 `2f5c8d08728735790b500d930d71b66f04253f1209f7c1c3da0db0846c163fcf` Source locator `/items/2` | | | | | | | | [DesignArena Browser game generation](https://benchize.com/benchmarks/designarena%3Agame-dev.md) | 1,469elo | — | 2 / 117 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=game-dev) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1469 \| elo \| game-dev \| Higher is better \| ### Configuration arenaType models category gamedev inputModality Not reported sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics averageGenerationTimeMs 367565 battles 587 losses 163 standardError Not reported winRate 72.2 wins 424 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=game-dev) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:38:01.100Z Evidence SHA-256 `53db6a89112ce8cdf644568c666d4b8309aece764cfcedb291ffd52ae3934e30` Source locator `/data/1` | | | | | | | | [DesignArena Image to HTML](https://benchize.com/benchmarks/designarena%3Aimage-to-html.md) | 1,238elo | — | 7 / 35 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=image-to-html) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1238 \| elo \| image-to-html \| Higher is better \| ### Configuration arenaType models category website inputModality image sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics averageGenerationTimeMs 211926 battles 352 losses 158 standardError Not reported winRate 55.1 wins 194 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=image-to-html) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:37:58.959Z Evidence SHA-256 `94f97ebbdd53a8c56f138b620e59b3a9b35c66c3954dcaaa1b2ed4c71518b404` Source locator `/data/7` | | | | | | | | [DesignArena Mobile application development](https://benchize.com/benchmarks/designarena%3Amobileapps.md) | 1,253elo | SE ±21.25 | 5 / 33 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=mobileapps) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1253 \| elo \| mobileapps \| Higher is better \| ### Configuration arenaType agents category mobileapps inputModality Not reported sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics Uncertainty Standard error: ±21.25 averageGenerationTimeMs Not reported battles 278 losses 123 standardError 21.2525 winRate 55.8 wins 155 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=mobileapps) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:38:02.538Z Evidence SHA-256 `40af33d0e93e729486da375cbe954633e2458af0dd6ca6d9fbdcda90da650f7d` Source locator `/data/5` | | | | | | | | [DesignArena Website generation](https://benchize.com/benchmarks/designarena%3Awebsite.md) | 1,327elo | — | 6 / 123 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=website) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1327 \| elo \| website \| Higher is better \| ### Configuration arenaType models category website inputModality text sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics averageGenerationTimeMs 274325 battles 1892 losses 831 standardError Not reported winRate 56.1 wins 1061 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=website) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:37:57.757Z Evidence SHA-256 `51873e97776a3c5ae706b24cc2c60384793dd18398df970e213a8e7c276d8ac0` Source locator `/data/7` | | | | | | | | [Rapidata SVG generation — Preference](https://benchize.com/benchmarks/rapidata%3Asvg%3Arlb_1MFkkEMFnCNyKl.md) | 1,598.61elo | CI 1,566.1–1,631.13 | 2 / 37 | — | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkEMFnCNyKl) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1598.614322262301 \| elo \| rlb_1MFkkEMFnCNyKl \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion rlb_1MFkkEMFnCNyKl participantId par_1WTTMAZoeeConj sourceModelVersion claude-sonnet-5.5 weighted false ### Reported statistics Uncertainty Confidence interval: 1,566.1–1,631.13 confidenceIntervalLowerOffset 32.51460617533621 confidenceIntervalUpperOffset 32.51460617533621 totalMatches 3601 wins 2861 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkEMFnCNyKl) Source rapidata Original model label claude-sonnet-5.5 Source version v1 Observed 2026-10-21T16:37:40.980Z Evidence SHA-256 `b70f07a4924c82499996aba613ca8ec2d0aee9ec9ebd404e45c8bf250206cf40` Source locator `/items/2` | | | | | | | | [Rapidata SVG generation — Coherence](https://benchize.com/benchmarks/rapidata%3Asvg%3Arlb_1MFkkBzpuU8fTG.md) | 1,156.68elo | CI 1,129.92–1,183.43 | 6 / 37 | — | [rapidata · v1](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkBzpuU8fTG) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1156.6759335311722 \| elo \| rlb_1MFkkBzpuU8fTG \| Higher is better \| ### Configuration benchmarkId bmk_1MFkc3sXfbKCqf criterion rlb_1MFkkBzpuU8fTG participantId par_1WTTMAZoeeConj sourceModelVersion claude-sonnet-5.5 weighted false ### Reported statistics Uncertainty Confidence interval: 1,129.92–1,183.43 confidenceIntervalLowerOffset 26.755956613254966 confidenceIntervalUpperOffset 26.755956613254966 totalMatches 3601 wins 2139 ### Source [Original source](https://api.rapidata.ai/benchmark/bmk_1MFkc3sXfbKCqf/standings/query?leaderboard_id%5Beq%5D=rlb_1MFkkBzpuU8fTG) Source rapidata Original model label claude-sonnet-5.5 Source version v1 Observed 2026-10-21T16:37:39.715Z Evidence SHA-256 `aa3cb94ff16f544c58adeea35b9087d281c785058b8ce1ae0f98a7ff84920930` Source locator `/items/9` | | | | | | | | [Humanity's Last Exam (Diamond)](https://benchize.com/benchmarks/scale%3Ahle-diamond.md) | 37.5source score | CI 34.5–40.5 | 6 / 12 | — | [scale](https://labs.scale.com/leaderboard/hle-diamond) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 37.5 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration claude-sonnet-5-5 sourceModelVersion claude-sonnet-5-5 thinkingEnabled Not reported ### Reported statistics Uncertainty Confidence interval: 34.5–40.5 contaminationWarning Not reported rank 6 reportedConfidenceHalfWidth 3 ### Source [Original source](https://labs.scale.com/leaderboard/hle-diamond) Source scale Original model label claude-sonnet-5-5 Observed 2026-10-21T16:35:27.820Z Evidence SHA-256 `c60d42f5aacdf787d9ccc8b70817766d86707776a7f8b44ef0337cb9ae60bf20` Source locator `/rows/5` | | | | | | | | [DesignArena Image to web application](https://benchize.com/benchmarks/designarena%3Aimage-to-webapp.md) | 1,249elo | SE ±18.59 | 6 / 24 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=image-to-webapp) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1249 \| elo \| image-to-webapp \| Higher is better \| ### Configuration arenaType agents category agon_webapps inputModality image sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics Uncertainty Standard error: ±18.59 averageGenerationTimeMs Not reported battles 395 losses 191 standardError 18.5859 winRate 51.6 wins 204 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=image-to-webapp) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:37:59.412Z Evidence SHA-256 `cc4e49fc057d3b786184ff44b697422e2420a174e8a98a80a77aa65021921ab4` Source locator `/data/6` | | | | | | | | [Vending-Bench 2](https://benchize.com/benchmarks/vendingbench%3Av2.md) | — | — | — | $11,165.28 | [vendingbench](https://andonlabs.com/_app/immutable/chunks/Cjn0_qj9.js) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `final_balance` \| 11165.27833333333 \| USD \| one_simulated_year \| Higher is better \| \| `geometric_mean_balance` \| 10594.146220506917 \| USD \| positive_final_balances \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Claude Sonnet 5.5 thinkingEnabled Not reported ### Reported statistics confidenceHalfWidth95 3107.2646193800115 positiveBalanceRuns 6 runCount 6 standardDeviation 3883.2718435124557 standardError 1585.339091520414 ### Source [Original source](https://andonlabs.com/_app/immutable/chunks/Cjn0_qj9.js) Source vendingbench Original model label Claude Sonnet 5.5 Observed 2026-10-21T16:36:40.592Z Evidence SHA-256 `1a0b043147050298c405bcb743d73e425d532464202231cd18c27f836fa5f223` Source locator `/rows/18` | | | | | | | | [DesignArena Overall frontend coding](https://benchize.com/benchmarks/designarena%3Acode.md) | 1,364elo | SE ±6.61 | 5 / 116 | — | [designarena · public](https://www.designarena.ai/api/leaderboard#board=code) | | | ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1364 \| elo \| code \| Higher is better \| ### Configuration arenaType models category allcategories inputModality text sourceModelVersion claude-sonnet-5-5 variationName public ### Reported statistics Uncertainty Standard error: ±6.61 averageGenerationTimeMs 293207 battles 3013 losses 1185 standardError 6.6062 winRate 60.7 wins 1828 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=code) Source designarena Original model label Claude Sonnet 5.5 Source version public Observed 2026-10-21T16:37:57.301Z Evidence SHA-256 `0c897b58670f5e352bd123db999a40c0d1781a443964c502b90774a76a3a7758` Source locator `/data/4` | | | | | | | --- Cite as: Claude Sonnet 5.5 — Benchize, https://benchize.com/models/claude-sonnet-5-5 (retrieved 2026-10-21)