Agentic & Tool Use benchmark

GBAEval leaderboard

As of October 2026, Claude Opus 5 has the highest published GBAEval score on Noometry at 79.6%, out of 23 models with results.

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About GBAEval

A description with primary sources is being prepared for this benchmark.

Category
Agentic & Tool Use
Introduced
2026
Unit
Percent (random guessing ≈ 0%)
Official site
epoch.ai

Top 15 models

Top models on GBAEval
  1. Claude Opus 5 79.6%
  2. Claude Fable 5 74.5%
  3. Claude Opus 4.8 70.9%
  4. Grok 4.5 65.4%
  5. Claude Sonnet 5 65.3%
  6. GPT-5.5 53.2%
  7. GPT-5.6 Sol 52.6%
  8. Claude Sonnet 4.6 48.8%
  9. Kimi K3 48.3%
  10. GPT-5.4 45.1%
  11. Claude Opus 4.6 44.1%
  12. Claude Opus 4.7 43.8%
  13. Muse Spark 1.1 7.9%
  14. Gemini 3.5 Flash 6.7%
  15. Grok Build 0.1 2.4%

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All results

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Frequently asked questions

Which model has the highest GBAEval score?

As of October 2026, Claude Opus 5 has the highest published GBAEval score on Noometry at 79.6%, out of 23 models with results.

What is the best open-weight model on GBAEval?

Kimi K3 has the highest GBAEval accuracy among open-weight models at 48.3%, ranking 9 of 23 overall.