# GPT-5 Mini

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OpenAI

Canonical URL: https://benchize.com/models/gpt-5-mini
Last updated: Wed, 21 Oct 2026 18:05:10 GMT

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

OpenAI

## Benchmarks

| Benchmark | Score | Rank | Cost | Source |  |
| --- | --- | --- | --- | --- | --- |
| [Slop Score](https://benchize.com/benchmarks/eq-bench%3Aslop-score.md) | 26.28% | 4 / 16 | — | [eq bench · slop-score](https://eqbench.com/data/leaderboard_results.json) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `slop_score` \| 26.28410611001454 \| percent \| official_normalized_composite \| Lower is better \| \| `slop_list_matches_per_1k_words` \| 15.44274370057785 \| matches_per_1000_words \| writing_samples \| Lower is better \| \| `slop_trigram_matches_per_1k_words` \| 0.20526676325343046 \| matches_per_1000_words \| writing_samples \| Lower is better \| \| `not_x_but_y_per_1k_chars` \| 0.12931438507757906 \| matches_per_1000_chars \| writing_samples \| Lower is better \| ### Configuration normalization official_population_min_max_10_percent_buffer protocol slop-score ### Reported statistics samples 300 ### Source [Original source](https://eqbench.com/data/leaderboard_results.json) Source eq bench Original model label openai/gpt-5-mini Source version slop-score Evaluated 2025-11-01T08:47:38.318245+00:00 Observed 2026-10-21T16:35:04.972Z Evidence SHA-256 `16925b79d955a1cacef4d2ac91b696e73f976a4a3ceb45122544a9cf661b04de` Source locator `/results/6` |  |  |  |  |  |
| [Vending-Bench 2](https://benchize.com/benchmarks/vendingbench%3Av2.md) | — | — | $-31.18 | [vendingbench](https://andonlabs.com/_app/immutable/chunks/Cjn0_qj9.js) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `final_balance` \| -31.18399999999995 \| USD \| one_simulated_year \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration GPT-5 mini thinkingEnabled Not reported ### Reported statistics confidenceHalfWidth95 11.70618200138716 positiveBalanceRuns 0 runCount 5 standardDeviation 13.355009546982771 standardError 5.972541837442429 ### Source [Original source](https://andonlabs.com/_app/immutable/chunks/Cjn0_qj9.js) Source vendingbench Original model label GPT-5 mini Observed 2026-10-21T16:36:40.592Z Evidence SHA-256 `1a0b043147050298c405bcb743d73e425d532464202231cd18c27f836fa5f223` Source locator `/rows/26` |  |  |  |  |  |
| [SWE-bench Verified](https://benchize.com/benchmarks/swe-bench%3Averified.md) | 56.2% | 32 / 63 | — | [SWE-bench](https://www.swebench.com/) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `resolved` \| 56.2 \| percent \| verified \| Higher is better \| ### Configuration agent mini-SWE-agent agentOrganization SWE-agent models ["gpt-5-mini-2025-08-07"] Reasoning effort Not reported sourceSubmission 20260217_mini-v2.0.0_gpt-5-mini subset Verified system ["System: Attempts - 1"] ### Reported statistics instanceCalls 20.342 instanceCost 0.0472012191 sourceWarning Not reported ### Source [Original source](https://www.swebench.com/) Source SWE-bench Original model label GPT 5 mini Observed 2026-10-21T14:54:06.913Z Evidence SHA-256 `c862011a4ee1d1a7199fad6ca0905fa5c64f58216f7217ac1eddf37f28788433` Source locator `/leaderboard-data/2/results/88` |  |  |  |  |  |
| [SWE-bench Multilingual](https://benchize.com/benchmarks/swe-bench%3Amultilingual.md) | 39.7% | 9 / 9 | — | [SWE-bench](https://www.swebench.com/) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `resolved` \| 39.7 \| percent \| multilingual \| Higher is better \| ### Configuration agent mini-SWE-agent agentOrganization SWE-agent models ["gpt-5-mini-2025-08-07"] Reasoning effort Not reported sourceSubmission 20260213_mini-v2.0.0a0_gpt-5-mini subset Multilingual system ["System: Attempts - 1"] ### Reported statistics instanceCalls 30 instanceCost 0.051632880333333325 sourceWarning Not reported ### Source [Original source](https://www.swebench.com/) Source SWE-bench Original model label GPT 5 mini Observed 2026-10-21T14:54:06.913Z Evidence SHA-256 `c862011a4ee1d1a7199fad6ca0905fa5c64f58216f7217ac1eddf37f28788433` Source locator `/leaderboard-data/0/results/12` |  |  |  |  |  |
| [SVGBench Arena](https://benchize.com/benchmarks/svgbench%3Aarena.md) | 1,543 | 53 / 191 | — | [svgbench](https://svgbench.ai/api/leaderboard?shape=2) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `rating` \| 1543 \| rating \| reported \| Higher is better \| ### Configuration Reasoning effort unknown sourceModelId model_gpt5mini ### Reported statistics coverageCount 27 draws 1 judged 87 losses 41 rank 67 ratingDeviation 28 wins 45 ### Source [Original source](https://svgbench.ai/api/leaderboard?shape=2) Source svgbench Original model label GPT-5 Mini Observed 2026-10-21T16:32:23.388Z Evidence SHA-256 `5c0a9c869593820d57d2c05f6d416e1b44a740b4835e66c66e9ad8b8edc59e2c` Source locator `/rows/64` |  |  |  |  |  |
| [NC Bench](https://benchize.com/benchmarks/nc-bench%3Aoverall.md) | 91.31% | 44 / 144 | — | [nc bench](https://www.nc-bench.com/models) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 91.31 \| percent \| reported \| Higher is better \| \| `tooling` \| 99.99 \| percent \| category \| Higher is better \| \| `creative_writing` \| 80.48 \| percent \| category \| Higher is better \| \| `language` \| 96.49 \| percent \| category \| Higher is better \| \| `utility` \| 98.39 \| percent \| category \| Higher is better \| \| `reasoning` \| 83.31 \| percent \| category \| Higher is better \| \| `text_editing` \| 97.13 \| percent \| category \| Higher is better \| \| `rule_following` \| 76.44 \| percent \| category \| Higher is better \| \| `hallucination` \| 98.28 \| percent \| category \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration GPT-5 Mini thinkingEnabled Not reported ### Source [Original source](https://www.nc-bench.com/models) Source nc bench Original model label GPT-5 Mini Observed 2026-10-21T16:31:48.370Z Evidence SHA-256 `ec261022458543624b08a136d01f5a2f0666cd52ffb49c64d6ca983e8543d1b5` Source locator `/rows/54` |  |  |  |  |  |

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Cite as: GPT-5 Mini — Benchize, https://benchize.com/models/gpt-5-mini (retrieved 2026-10-21)