o3-mini
Default
A small model alternative to o3
A small model alternative to o3
Reasoning
Higher
Speed
Medium
Price
$1.1•$4.4
Input•Output
Input
Text
Output
Text
Prompt example
Landing Page Generation
Prompt example
Analyze Return Policy
Prompt example
Text to SQL
Prompt example
Graph Entity Extraction
o3-mini is our newest small reasoning model, providing high intelligence at the same cost and latency targets of o1-mini. o3-mini supports key developer features, like Structured Outputs, function calling, and Batch API.
200,000 context window
100,000 max output tokens
Oct 01, 2023 knowledge cutoff
Reasoning token support
Pricing
Pricing is based on the number of tokens used, or other metrics based on the model type. For tool-specific models, like search and computer use, there’s a fee per tool call. See details in the pricing page.
Text tokens
Per 1M tokens
∙
Batch API price
Input
$1.10
Cached input
$0.55
Output
$4.40
Quick comparison
Input
Cached input
Output
o3-mini
$1.10
o1-mini
$1.10
GPT-4o mini
$0.15
Modalities
Text
Input and output
Image
Not supported
Audio
Not supported
Video
Not supported
Endpoints
Chat Completions
v1/chat/completions
Responses
v1/responses
Realtime
v1/realtime
Assistants
v1/assistants
Batch
v1/batch
Fine-tuning
v1/fine-tuning
Embeddings
v1/embeddings
Image generation
v1/images/generations
Videos
v1/videos
Image edit
v1/images/edits
Speech generation
v1/audio/speech
Transcription
v1/audio/transcriptions
Translation
v1/audio/translations
Moderation
v1/moderations
Completions (legacy)
v1/completions
Features
Streaming
Supported
Function calling
Supported
Structured outputs
Supported
Fine-tuning
Not supported
Distillation
Not supported
Predicted outputs
Not supported
Snapshots
Snapshots let you lock in a specific version of the model so that performance and behavior remain consistent. Below is a list of all available snapshots and aliases for o3-mini.
o3-mini
o3-mini-2025-01-31
o3-mini-2025-01-31
Rate limits
Rate limits ensure fair and reliable access to the API by placing specific caps on requests or tokens used within a given time period. Your usage tier determines how high these limits are set and automatically increases as you send more requests and spend more on the API.
| Tier | RPM | TPM | Batch queue limit |
|---|---|---|---|
| Free | Not supported | ||
| Tier 1 | 1,000 | 100,000 | 1,000,000 |
| Tier 2 | 2,000 | 200,000 | 2,000,000 |
| Tier 3 | 5,000 | 4,000,000 | 40,000,000 |
| Tier 4 | 10,000 | 10,000,000 | 1,000,000,000 |
| Tier 5 | 30,000 | 150,000,000 | 15,000,000,000 |