OpenAI
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Listed November 2025
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Multimodal Foundation
GPT-5.1
Arena #68 • score 1456 ±4
Proprietary model from OpenAI, listed November 2025. Arena text score 1456 (#68 of 414 entries). $1.25 input / $10.00 output per 1M tokens. 400K tokens context.
Parameters
Not disclosed
Context Window
400K tokens
Input / 1M tokens
$1.25
Output / 1M tokens
$10.00
Benchmark Results
- Arena Text Elo: 1456 (#68 of 414 on arena.ai · ±4 · 41,674 votes · variant: gpt-5.1-high)
- SWE-bench Verified: 66.0% (mini-SWE-agent (bash only) · run 'GPT 5.1 (2025-11-13) (medium)' · 2025-11-20)
- AA Intelligence Index: 24.7 (Artificial Analysis v4.3 · best setting: GPT-5.1 (High) · checked 2026-10-11)
- AA Coding Index: 49.4 (Artificial Analysis v4.3 · best setting: GPT-5.1 (High) · checked 2026-10-11)