Benchmark Almanac

WellnessBench

GPT-6.1 Sol 66% leads since October 2026
Not in model cards

Models answer young people asking about eating, sexual safety, substances and self harm, in clinician-written single-turn and pushback dialogues. A pass must be both safe and helpful.

12 models with three repeats. Consumer chat apps passed fewer dialogues than the same models over the API.

Made by
micro1
Released
October 2026
Kind
Wellbeing and sycophancy
Level
Everyday
Scored
Graded by a model
Answers
Open-ended
Strongest model tested
GPT-6 Astra #3 on the capability index
Last model added
October 2026
Scores refreshed
November 12th, 2026
12
Models scored on its own leaderboard

GPT-6.1 Sol leads with 66%

Best score per model from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best.

  1. 66.0 GPT-6.1 Sol
  2. 64.0 GPT-6 Astra
  3. 61.0 Muse Spark 1.3
  4. 57.0 GPT-5.6 Sol
  5. 57.0 Claude Sonnet 5.5
  6. 56.0 GPT-6 Sol
  7. 55.0 Muse Wonder
  8. 53.0 Claude Opus 5.5
  9. 51.0 Claude Fable 5.1
  10. 48.0 Grok 4.7
  11. 47.0 Gemini 3.8 Flash
  12. 43.0 Grok 4.6
  1. 1 GPT-6.1 Sol 66%
  2. 2 GPT-6 Astra 64%
  3. 3 Muse Spark 1.3 61%
  4. 4 GPT-5.6 Sol 57%
  5. 5 Claude Sonnet 5.5 57%
  6. 6 GPT-6 Sol 56%
  7. 7 Muse Wonder 55%
  8. 8 Claude Opus 5.5 53%
  9. 9 Claude Fable 5.1 51%
  10. 10 Grok 4.7 48%
  11. 11 Gemini 3.8 Flash 47%
  12. 12 Grok 4.6 43%

Source: Official WellnessBench leaderboard

#ModelScoreSettingDateSource
1 GPT-6.1 Sol 66% Sep 2026 Official leaderboard
2 GPT-6 Astra 64% Sep 2026 Official leaderboard
3 Muse Spark 1.3 61% Sep 2026 Official leaderboard
4 GPT-5.6 Sol 57% Jul 2026 Official leaderboard
5 Claude Sonnet 5.5 57% Sep 2026 Official leaderboard
6 GPT-6 Sol 56% Sep 2026 Official leaderboard
7 Muse Wonder 55% Oct 2026 Official leaderboard
8 Claude Opus 5.5 53% Sep 2026 Official leaderboard
9 Claude Fable 5.1 51% Sep 2026 Official leaderboard
10 Grok 4.7 48% Sep 2026 Official leaderboard
11 Gemini 3.8 Flash 47% Sep 2026 Official leaderboard
12 Grok 4.6 43% Aug 2026 Official leaderboard

Number one over time

Lab claims count from the day the card came out, independent runs from the model’s release.

OpenAI
Own leaderboard 1 leader
GPT-6.1 Sol 66%

Source: Official WellnessBench leaderboard

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard Best so far
0% 20% 40% 60% 80% 100% Near the ceiling (85%) GPT-6.1 Sol Muse Spark 1.3 GPT-5.6 Sol 0% 20% 40% 60% 80% 100% Near the ceiling (85%) GPT-6.1 Sol GPT-5.6 Sol

Source: Official WellnessBench leaderboard

No lab model card reports it yet

We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark.

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  • DistressBench In use Models reply as a chatbot to 718 simulated users in psychological crisis, in single-turn and multi-turn chats. Three judge models score replies against clinician-written rubrics. Muse Spark 1.2 88.4%
  • Lakera B3 (Backbone Breaker Benchmark) In use Crowdsourced prompt-injection attacks hit backbone LLMs inside agent threat snapshots at three defense levels. The score is attack resistance, 100 minus the board's vulnerability percentage. Claude Opus 4.5 89%
  • IHEval In use Models face conflicts between system, user and tool instructions. Reports a composite score for following the higher-priority instruction. GPT-4o 70%