Anthropic
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Listed June 2026
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Multimodal Foundation
Claude Sonnet 5
Arena #57 • score 1461 ±4
Proprietary model from Anthropic, listed June 2026. Arena text score 1461 (#57 of 414 entries). $2.00 input / $10.00 output per 1M tokens. 1M tokens context.
Parameters
Not disclosed
Context Window
1M tokens
Input / 1M tokens
$2.00
Output / 1M tokens
$10.00
Benchmark Results
- Arena Text Elo: 1461 (#57 of 414 on arena.ai · ±4 · 47,576 votes · variant: claude-sonnet-5-high)
- AA Intelligence Index: 38.2 (Artificial Analysis v4.3 · best setting: Claude Sonnet 5 (Max) · checked 2026-10-11)
- AA Coding Index: 71.5 (Artificial Analysis v4.3 · best setting: Claude Sonnet 5 (Max) · checked 2026-10-11)
- AA Agentic Index: 43.6 (Artificial Analysis v4.3 · best setting: Claude Sonnet 5 (Max) · checked 2026-10-11)