Anthropic
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Listed February 2026
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Multimodal Foundation
Claude Sonnet 4.6
Arena #44 • score 1472 ±4
Proprietary model from Anthropic, listed February 2026. Arena text score 1472 (#44 of 414 entries). $3.00 input / $15.00 output per 1M tokens. 1M tokens context.
Parameters
Not disclosed
Context Window
1M tokens
Input / 1M tokens
$3.00
Output / 1M tokens
$15.00
Benchmark Results
- Arena Text Elo: 1472 (#44 of 414 on arena.ai · ±4 · 70,971 votes · variant: claude-sonnet-4-6)
- OSWorld-Verified: 72.1% (Success rate · 100 steps · tested 2026-03-08)
- AA Intelligence Index: 30.1 (Artificial Analysis v4.3 · best setting: Claude Sonnet 4.6 (Max) · checked 2026-10-11)
- AA Coding Index: 63 (Artificial Analysis v4.3 · best setting: Claude Sonnet 4.6 (Max) · checked 2026-10-11)
- AA Agentic Index: 31.8 (Artificial Analysis v4.3 · best setting: Claude Sonnet 4.6 (Max) · checked 2026-10-11)