OpenAIclosed weightsReasoning
GPT-5.1
Nov 12, 2025
$1.25 / $10
$3.44
400K
Benchmark scores
| Benchmark | Score | Δ vs prior | Rank (current) | Configuration | Source |
|---|---|---|---|---|---|
τ²-bench (Telecom) | 81.9% | #7 of 10 | leaderboard | benchlm.ai ↗ | |
Artificial Analysis Intelligence Index | 36.9 | #7 of 11 | leaderboard | benchlm.ai ↗ |