# GPT-5.6 LunaUltra

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

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

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## Benchmarks

| Benchmark | Score | ± | Rank |  |
| --- | --- | --- | --- | --- |
| [ToneBench Scriptwriting](https://benchize.com/benchmarks/tonebench%3Ascripts.md) | 1,794.9 | Range 1,751.6–1,840.6 | 52 / 126 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 1794.9 \| rating \| reported \| Higher is better \| \| `overall` \| 78.83 \| percent \| reported \| Higher is better \| \| `anti_slop_numbers` \| 72.43 \| source_score \| rubric \| Higher is better \| \| `continuity_emotion` \| 77.21 \| source_score \| rubric \| Higher is better \| \| `cue_quality` \| 78.41 \| source_score \| rubric \| Higher is better \| \| `hook_strength` \| 80.6 \| source_score \| rubric \| Higher is better \| \| `length_adherence` \| 91.78 \| source_score \| rubric \| Higher is better \| \| `slop` \| 83.86 \| source_score \| rubric \| Higher is better \| \| `slop_score` \| 95.3 \| source_score \| rubric \| Higher is better \| \| `substance_accuracy` \| 84.78 \| source_score \| rubric \| Higher is better \| \| `tone_voice` \| 71.93 \| source_score \| rubric \| Higher is better \| \| `writing_quality` \| 74.73 \| source_score \| rubric \| Higher is better \| \| `youtube_best_practices` \| 76.61 \| source_score \| rubric \| Higher is better \| ### Configuration provider codex Reasoning effort ultra scoreScope 10_task_current sourceConfiguration gpt-5-6-luna-ultra ### Reported statistics Uncertainty Reported interval: 1,751.6–1,840.6 interval [1751.6,1840.6] rank 52 runCount 5 ### Source [Original source](https://benchmark.towardsai.com/data/leaderboard.json) Source tonebench Original model label GPT-5.6 Luna (ultra) Evaluated 2026-10-11 Observed 2026-10-22T04:40:14.102Z Evidence SHA-256 `4264338337f418d3ded7ace250cad64fe12cacbd4b79a312bfaf0ae9268a01c3` Source locator `/rows/51` |  |  |  |  |

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