o3 Mini is OpenAI's language model with a 200K context window and up to 100K output tokens, available from 5 providers, starting at $1.10 / 1M input and $4.40 / 1M output. A small, cost-efficient reasoning model optimized for STEM tasks, supporting structured outputs and function calling at o1-mini cost and latency targets.
Specifications
Canonical IDopenai-o3-mini
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window200K tokens
Max Output100K tokens
Input ModalitiesPDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 1 year ago
Knowledge Cutoff · 3 years ago
Benchmarks
Intelligence Index
19.0
#175
MMLU-Pro
0.8
#119
GPQA
0.7
#156
HLE
0.1
#167
LiveCodeBench
0.7
#55
AIME
0.8
#21
Time to First Token
5.24s
#445
SciCode
0.4
#97
MATH-500
1.0
#17
TerminalBench Hard
0.1
#239
TAU2
0.3
#241
Output TPS

Capabilities

Input2/5
Text
Image·
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / request
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
openai:o3mini
$1.10$4.40$0.55N/A$0.55$2.20N/A
Gradient AI logo
Gradient AI
gradient_ai/openai-o3-mini
$1.10$4.40N/AN/A
OpenAI logo
OpenAI
o3-mini
$1.10$4.40$0.55N/A$0.55$2.20$0.275
OpenRouter logo
OpenRouter
openai/o3-mini
$1.10$4.40$0.55$0.010
Vercel AI Gateway logo
Vercel AI Gateway
openai/o3-mini
$1.10$4.40$0.55N/A

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
o4 Mini Deep Research200K$2.00$8.00Available
o4 Mini200K$1.00$4.00Available
o4 Mini High200K$1.10$4.40Available
o3 Mini High200K$1.10$4.40Available
o3 Mini200K$1.10$4.40Current
o1 Mini CachedAvailable
o4 Mini Dev RFTAvailable

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
o3 Deep Research200K$2.50$40.00
o3 ProPro200K$20.00$80.00
o3200K$2.00$8.00
o1 ProPro200K$150.00$600.00
o1200K$15.00$60.00
o1 Preview128K$15.00$60.00
o1 Mini128K$1.10$4.40
o1 Preview Cached

Model IDs

azure/eu/o3-mini-2025-01-31
azure/o3-mini
azure/o3-mini-2025-01-31
azure/us/o3-mini-2025-01-31
gradient_ai/openai-o3-mini
o3-mini
o3-mini-2025-01-31
openai-o3-mini
openai/o3-mini
openrouter/openai/o3-mini
vercel_ai_gateway/openai/o3-mini