Anthropic
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Listed July 2026
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Multimodal Foundation
Claude Opus 5
Arena #13 • score 1490 ±4
Proprietary model from Anthropic, listed July 2026. Arena text score 1490 (#13 of 414 entries). $5.00 input / $25.00 output per 1M tokens. 1M tokens context.
Parameters
Not disclosed
Context Window
1M tokens
Input / 1M tokens
$5.00
Output / 1M tokens
$25.00
Benchmark Results
- Arena Text Elo: 1490 (#13 of 414 on arena.ai · ±4 · 62,934 votes · variant: claude-opus-5-high)
- OSWorld-Verified: 83.4% (Success rate · 100 steps · tested 2026-08-01)
- AA Intelligence Index: 50.8 (Artificial Analysis v4.3 · best setting: Claude Opus 5 (Max) · checked 2026-10-11)
- AA Coding Index: 78 (Artificial Analysis v4.3 · best setting: Claude Opus 5 (Max) · checked 2026-10-11)
- AA Agentic Index: 56.5 (Artificial Analysis v4.3 · best setting: Claude Opus 5 (Max) · checked 2026-10-11)