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Vals Science Index

Vals AI's composite of its biology investigation, mechanism discovery and research workflow evaluations, weighted equally. Run by Vals AI.

As of 24 Oct 2026, GPT-6 Astra leads Vals Science Index on BenchLeader with 65.1%, ahead of GPT-6.1 Sol at 59.6%, across 22 model configurations with a published result.

Published by
Vals AI
Category
Composite
Index weight
Reference only
Models
22
Data as of
24 Oct 2026
Newest result
21 Oct 2026

Vals AI (vals.ai).

Top 15
  1. 1GPT-6 Astra (max)65.1%
  2. 2GPT-6.1 Sol (max)59.6%
  3. 3Claude Sonnet 5.559.1%
  4. 4Claude Opus 5.558.6%
  5. 5Gemini 4 Argon (high)55.4%
  6. 6Muse Wonder Full (max)48.5%
  7. 7Claude Opus 547.9%
  8. 8GPT-6 Sol (max)45.0%
  9. 9GPT-5.6 Sol (max)41.5%
  10. 10Muse Wonder (max)39.1%
  11. 11Claude Haiku 5.538.5%
  12. 12Grok 4.6 (high)38.1%
  13. 13Gemini 3.8 Flash (high)35.8%
  14. 14Grok 4.7 (xhigh)34.8%
  15. 15Ember-131.8%
22 of 22
#
1GPT-6 Astramax65.1%70.42026-10-21
2GPT-6.1 Solmax59.6%69.92026-10-21
3Claude Sonnet 5.559.1%–2026-10-21
4Claude Opus 5.558.6%62.02026-10-21
5Gemini 4 Argonhigh55.4%70.82026-10-21
6Muse Wonder Fullmax48.5%70.72026-10-21
7Claude Opus 547.9%65.52026-10-21
8GPT-6 Solmax45.0%66.42026-10-21
9GPT-5.6 Solmax41.5%68.02026-10-21
10Muse Wondermax39.1%67.52026-10-21
11Claude Haiku 5.538.5%–2026-10-21
12Grok 4.6high38.1%62.92026-10-21
13Gemini 3.8 Flashhigh35.8%64.42026-10-21
14Grok 4.7xhigh34.8%61.62026-10-21
15Ember-131.8%–2026-10-21
16MiMo-V2.6-Flash31.7%59.72026-10-21
17DeepSeek V4.1 Flashhigh29.6%55.62026-10-21
18Step 5 Preview29.6%60.42026-10-21
19GPT-6 Lunamax28.4%60.02026-10-21
20Gemini 3.1 Prohigh27.4%60.32026-10-21
21GPT-5.6 Lunamax25.3%59.92026-10-21
22NewBeam 1.022.0%51.12026-10-21

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Cite as: BenchLeader, “Vals Science Index leaderboard”, data as of 24 Oct 2026, https://www.benchleader.com/benchmarks/vals_science_index.

Vals Science Index: questions

What does Vals Science Index measure?
Vals AI's composite of its biology investigation, mechanism discovery and research workflow evaluations, weighted equally. Run by Vals AI. Scores are reported in percent of tasks solved; higher is better.
Which AI model leads Vals Science Index?
GPT-6 Astra leads Vals Science Index with 65.1% as of 24 Oct 2026, ahead of GPT-6.1 Sol at 59.6%.
How many models have Vals Science Index results?
22 model configurations have a Vals Science Index result on BenchLeader, all taken from Vals AI.
Who runs Vals Science Index and how often is it updated?
Vals Science Index is published by Vals AI. BenchLeader re-reads the published results once a day and records the date each result was published.
Does Vals Science Index count toward the BenchLeader Index?
No. Vals Science Index is shown for reference but left out of the composite index.