gpt-5-nano (gpt-5-nano) is a chat model from openai with a 272K-token context window; proprietary (API-only); capabilities tools, vision, reasoning; input image, pdf, text; output text.
272KContext
128KMax output
$0.05$ / 1M in
13Intelligence
145.66tok / s
Pricing
Input
$0.05 / 1M tokens
Output
$0.4 / 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
13
Math
83.7
Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-09-26.
Performance
Throughput
145.66 tokens/s
Latency (TTFT)
75.09 s
Cited speed metrics — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-11-05.