# GPT-5.6 LunaNon-thinking

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

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Canonical URL: https://benchize.com/models/gpt-5-6-luna-off
Last updated: Thu, 22 Oct 2026 05:40:11 GMT

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## Benchmarks

| Benchmark | Score | ± | Rank | Source |  |
| --- | --- | --- | --- | --- | --- |
| [GPQA Diamond](https://benchize.com/benchmarks/gpqa-diamond.md) | 63.64% | SE ±3.43 pp | 94 / 126 | [epoch ai · GPQA diamond](https://epoch.ai/data/benchmark_data.zip#file=gpqa_diamond.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.6363636363636364 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.6363636363636364 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion GPQA diamond reasoningBudget Not reported Reasoning effort none sourceModelVersion gpt-5.6-luna_none ### Reported statistics Uncertainty Standard error: ±3.43 pp standardError 0.03427308652999934 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=gpqa_diamond.csv) Source epoch ai Original model label gpt-5.6-luna Source version GPQA diamond Evaluated 2026-08-07T00:35:08.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `9ef0b938bdd8406b029d595983ee8ad3a80bd9d64b82605b91b5ce39ba650c39` Source locator `/rows/83` |  |  |  |  |  |
| [FrontierMath Tiers 1–3 v2 (private)](https://benchize.com/benchmarks/epoch-ai%3Afrontiermath_tiers_1_3_v2.md) | 39.65% | SE ±2.9 pp | 32 / 50 | [epoch ai · FrontierMath-Tiers-1-3-v2-Private](https://epoch.ai/data/benchmark_data.zip#file=frontiermath_tiers_1_3_v2.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.39649122807017545 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.39649122807017545 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion FrontierMath-Tiers-1-3-v2-Private reasoningBudget Not reported Reasoning effort none sourceModelVersion gpt-5.6-luna_none ### Reported statistics Uncertainty Standard error: ±2.9 pp standardError 0.029026817016410068 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=frontiermath_tiers_1_3_v2.csv) Source epoch ai Original model label gpt-5.6-luna Source version FrontierMath-Tiers-1-3-v2-Private Evaluated 2026-08-29T11:07:39.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `d3458d4272f99e04212525904a59fffffa7a94e827c62b26e36e3fd3e15fe587` Source locator `/rows/28` |  |  |  |  |  |
| [Mystery Game Puzzles](https://benchize.com/benchmarks/epoch-ai%3Amystery_game_puzzles.md) | 20% | SE ±4.02 pp | 40 / 72 | [epoch ai · Mystery Game Puzzles](https://epoch.ai/data/benchmark_data.zip#file=mystery_game_puzzles.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.2 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.2 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Mystery Game Puzzles reasoningBudget Not reported Reasoning effort none sourceModelVersion gpt-5.6-luna_none ### Reported statistics Uncertainty Standard error: ±4.02 pp standardError 0.04020151261036849 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=mystery_game_puzzles.csv) Source epoch ai Original model label gpt-5.6-luna Source version Mystery Game Puzzles Evaluated 2026-08-30T22:33:31.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `f66941ed5e9520190b66af57d2b6fd62a9582077dd25ab8764ce651bc0eca00a` Source locator `/rows/18` |  |  |  |  |  |
| [OTIS Mock AIME 2024–2025](https://benchize.com/benchmarks/epoch-ai%3Aotis_mock_aime_2024_2025.md) | 40% | SE ±7.39 pp | 98 / 124 | [epoch ai · OTIS Mock AIME 2024-2025](https://epoch.ai/data/benchmark_data.zip#file=otis_mock_aime_2024_2025.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.4 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.4 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion OTIS Mock AIME 2024-2025 reasoningBudget Not reported Reasoning effort none sourceModelVersion gpt-5.6-luna_none ### Reported statistics Uncertainty Standard error: ±7.39 pp standardError 0.07385489458759964 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=otis_mock_aime_2024_2025.csv) Source epoch ai Original model label gpt-5.6-luna Source version OTIS Mock AIME 2024-2025 Evaluated 2026-08-07T00:20:15.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `b7c9da8c0587c82f1e0d814ceb496c24308380b997a16203b6e5d39eb07f4f50` Source locator `/rows/93` |  |  |  |  |  |
| [Chess Puzzles](https://benchize.com/benchmarks/epoch-ai%3Achess_puzzles.md) | 3% | SE ±1.71 pp | 63 / 64 | [epoch ai · Chess Puzzles](https://epoch.ai/data/benchmark_data.zip#file=chess_puzzles.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.03 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.03 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Chess Puzzles reasoningBudget Not reported Reasoning effort none sourceModelVersion gpt-5.6-luna_none ### Reported statistics Uncertainty Standard error: ±1.71 pp standardError 0.01714466079977653 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=chess_puzzles.csv) Source epoch ai Original model label gpt-5.6-luna Source version Chess Puzzles Evaluated 2026-10-13T13:53:29.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `a5b99d6d35252907b04e9a802873a9754ecc0248be92a1ebbd2ef0450e4bb015` Source locator `/rows/73` |  |  |  |  |  |

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