# GPT-5 Nano

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OpenAI

Canonical URL: https://benchize.com/models/gpt-5-nano
Last updated: Fri, 23 Oct 2026 08:20:34 GMT

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OpenAI

## Benchmarks

| Benchmark | Score | Rank | Source |  |
| --- | --- | --- | --- | --- |
| [NC Bench](https://benchize.com/benchmarks/nc-bench%3Aoverall.md) | 80.16% | 126 / 144 | [nc bench](https://www.nc-bench.com/models) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 80.16 \| percent \| reported \| Higher is better \| \| `tooling` \| 99.34 \| percent \| category \| Higher is better \| \| `creative_writing` \| 67.04 \| percent \| category \| Higher is better \| \| `language` \| 77.18 \| percent \| category \| Higher is better \| \| `utility` \| 93.91 \| percent \| category \| Higher is better \| \| `reasoning` \| 70.5 \| percent \| category \| Higher is better \| \| `text_editing` \| 82.74 \| percent \| category \| Higher is better \| \| `rule_following` \| 57.57 \| percent \| category \| Higher is better \| \| `hallucination` \| 92.99 \| percent \| category \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration GPT-5 Nano thinkingEnabled Not reported ### Source [Original source](https://www.nc-bench.com/models) Source nc bench Original model label GPT-5 Nano Observed 2026-10-23T06:10:25.006Z Evidence SHA-256 `ec261022458543624b08a136d01f5a2f0666cd52ffb49c64d6ca983e8543d1b5` Source locator `/rows/165` |  |  |  |  |
| [Slop Score](https://benchize.com/benchmarks/eq-bench%3Aslop-score.md) | 34.1% | 6 / 16 | [eq bench · slop-score](https://eqbench.com/data/leaderboard_results.json) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `slop_score` \| 34.09789443279408 \| percent \| official_normalized_composite \| Lower is better \| \| `slop_list_matches_per_1k_words` \| 16.923060030086415 \| matches_per_1000_words \| writing_samples \| Lower is better \| \| `slop_trigram_matches_per_1k_words` \| 0.28768762833393724 \| matches_per_1000_words \| writing_samples \| Lower is better \| \| `not_x_but_y_per_1k_chars` \| 0.302556767349028 \| 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-nano Source version slop-score Evaluated 2025-11-01T08:47:37.288794+00:00 Observed 2026-10-23T05:11:11.680Z Evidence SHA-256 `16925b79d955a1cacef4d2ac91b696e73f976a4a3ceb45122544a9cf661b04de` Source locator `/results/7` |  |  |  |  |

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Cite as: GPT-5 Nano — Benchize, https://benchize.com/models/gpt-5-nano (retrieved 2026-10-23)