gpt-5.5 (gpt-5.5) is a chat model from openai with a 1.1M-token context window; capabilities tools, vision, reasoning; input image, pdf, text; output text.
1.1MContext
128KMax output
$5$ / 1M in
54.8Intelligence
92.434tok / s
Pricing
Input
$5 / 1M tokens
Output
$30 / 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
54.8
Coding
74.9
Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-07-22.
Performance
Throughput
92.434 tokens/s
Latency (TTFT)
35.934 s
Cited speed metrics — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-07-22.