o3-mini
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Lightweight reasoning model released January 2025 with three adjustable effort levels. First OpenAI reasoning model available to free-tier ChatGPT users.
At a glance
- Context window
- 200K tokens
- Max output
- 100K tokens
- Knowledge cutoff
- Oct 2023
- Modalities
- Text Text → Text Text
Capabilities
Structured output
Return responses in structured formats like JSON.
Function calling
Connect to external tools, APIs, and systems.
Code execution
Write and execute code in a sandboxed environment.
File upload
Process uploaded documents, spreadsheets, and other files.
MCP
Connect to services via Model Context Protocol.
Image generation
Generate and edit images from text prompts.
Pricing by provider
| Provider | Input / 1M tokens | Output / 1M tokens | |
|---|---|---|---|
|
OpenAI
|
$1.10 | $4.40 |
Heads up: We do our best to keep these specs & prices accurate. However, cloud costs may fluctuate based on region, usage, and other factors not listed here. These are estimates based on common setups and are for informational purposes only. Always verify current rates & exact specs with the provider before provisioning.
Compare with other models
Estimated prices shown. Actual costs may vary based on context length, batch size, caching, and provider-specific pricing tiers.