FrontierCode
Frontier
Frontier software-engineering benchmark from Cognition; the Diamond split is the hardest tier.
- Domain
- coding
- Published
- Jun 2026
- Notable for
- Hard agentic-coding benchmark used at Claude Fable 5 launch.
Cite
Notes
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Top score 53.3% by GPT-6 Astra - 4 models reporting (4 frontier)
Score history
4Top models
4FAQ
- What is FrontierCode?
- Frontier software-engineering benchmark from Cognition; the Diamond split is the hardest tier.
- What is the current top score on FrontierCode?
- The top reported score is 53.3% by GPT-6 Astra, across 4 models reporting (4 from frontier labs).