gpt-5.1 (gpt-5.1) is a chat model from openai with a 272K-token context window; capabilities tools, vision, reasoning; input image, pdf, text; output image, text.
272KContext
128KMax output
$1.25$ / 1M in
36.9Intelligence
118.622tok / s
Pricing
Input
$1.25 / 1M tokens
Output
$10 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-07-22.
Benchmarks
Intelligence index
36.9
Coding
49.4
Math
94
Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-07-22.
Performance
Throughput
118.622 tokens/s
Latency (TTFT)
39.497 s
Cited speed metrics — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-07-22.