o1 is OpenAI's language model with a 200K context window and up to 100K output tokens, available from 5 providers, starting at $15.00 / 1M input and $60.00 / 1M output. A reinforcement-learning-trained reasoning model that produces a long internal chain of thought before responding, excelling at complex multi-step problems across math, science, and coding.
Specifications
Canonical IDopenai-o1
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window200K tokens
Max Output100K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 2 years ago
Knowledge Cutoff · 3 years ago
Benchmarks
Intelligence Index
23.4
#135
Coding Index
39.7
#37
MMLU-Pro
0.8
#39
GPQA
0.7
#157
HLE
0.1
#185
LiveCodeBench
0.7
#76
AIME
0.7
#29
IFBench
0.7
#57
Time to First Token
12.42s
#459
SciCode
0.4
#172
MATH-500
1.0
#20
LCR
0.6
#96
TerminalBench Hard
0.1
#184
TAU2
0.6
#154
Output TPS

Capabilities

Input3/5
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
Reasoning
$ / 1M
Web Search
$ / request
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
$15.00$60.00$7.50N/AN/A$7.50$30.00N/A
$15.00$60.00$7.50N/AN/A$7.50$30.00$3.75
OpenRouter logo
OpenRouter
openai/o1
$15.00$60.00$7.50N/A$0.010
Replicate logo
Replicate
replicate/openai/o1
$15.00$60.00N/A$60.00N/A
$15.00$60.00$7.50N/AN/A

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
o3 Deep Research200K$2.50$40.00Available
o4 Mini Deep Research200K$2.00$8.00Available
o3 Pro200K$20.00$80.00Available
o3200K$2.00$8.00Deprecated
o4 Mini200K$1.00$4.00Available
o4 Mini High200K$1.10$4.40Available
o1 Pro200K$150.00$600.00Available
o3 Mini High200K$1.10$4.40Available
o3 Mini200K$1.10$4.40Available
o1200K$15.00$60.00Current
o1 Preview128K$15.00$60.00Available

Model IDs

azure/eu/o1-2024-12-17
azure/o1
azure/o1-2024-12-17
azure/us/o1-2024-12-17
o1
o1-2024-12-17
openai-o1
openai/o1
openrouter/openai/o1
replicate/openai/o1
vercel_ai_gateway/openai/o1