OpenAI
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legacy
o3-mini API Pricing
Compact OpenAI reasoning model with lower token costs for structured technical tasks.
200K tokens contextVerified Oct 3, 2026Official vendor source
Legacy model
o3-mini is retained for historical cost research. For new workloads, review o3-pro pricing and availability.
View o3-pro pricing API cost calculator
What would o3-mini cost your company?
Enter monthly usage in millions of tokens. Results update instantly.
Rate
Standard
Estimated monthly cost
$19.8
Estimated annual cost
$237.6
Free forever · No credit card · Usage and selected rate are saved automatically.
Token pricing
Published USD rates per one million tokens.
| Scenario | Input | Cached input | Output |
|---|---|---|---|
Standard | $1.1 | $0.55 | $4.4 |
Capabilities
Text
Context window: 200K tokens. Availability and rate limits can depend on account tier and region.