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OpenAI

o3

Model ID: o3-2025-04-16

View provider pricing

Reasoning model. Higher latency, best for complex STEM tasks.

Input price

$10.00

per 1M tokens

Output price

$40.00

per 1M tokens

Context window

200K

tokens

Max output

100K

tokens

MMLU

92.9

benchmark

Chatbot Arena

1365

Elo

Cached input price

$2.50

per 1M tokens (prompt caching)

Pricing data last verified: 6/14/2026 · Source: https://openai.com/api/pricing/