Explore index
Claude Opus 5
Anthropic's frontier reasoning model approaching Claude Fable 5 intelligence, featuring dynamic effort settings and default thinking.
NEWS LOG
Related news
02
- 01Claude Opus 5 Benchmark Results Revealed: Top Rankings Across Frontier Model Comparison Define New BaselineAnthropic's newly released Claude Opus 5 achieves standout scores across key AI benchmarks, leading Humanity's Last Exam (HLE) at 64.7%, scoring 91.59% on MMLU-Pro, and reaching 97.00% on SWE-bench Verified, outperforming models including GPT-5.6 Sol, Claude Fable 5, Kimi K3, and Opus 4.8.7/25/2026
- 02Anthropic Formally Releases Claude Opus 5Anthropic officially launched Claude Opus 5 on July 24, 2026. The model approaches the frontier intelligence of Claude Fable 5 while maintaining $5/$25 per million tokens pricing, introducing default thinking and adjustable effort settings alongside major alignment safety advances.7/25/2026
FIELD GUIDES
Related guides
01