o3 (o3) is a chat model from openai with a 200K-token context window; proprietary (API-only); capabilities tools, reasoning, vision; input image, pdf, text; output text.
200KContext
100KMax output
$2$ / 1M in
20.2Intelligence
129.66tok / s
Pricing
Input
$2 / 1M tokens
Output
$8 / 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
20.2
Math
88.3
Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-09-26.
Performance
Throughput
129.66 tokens/s
Latency (TTFT)
5.651 s
Cited speed metrics — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-10-30.