OpenAI model product
o1
A research preview model focused on mathematical and logical reasoning capabilities, demonstrating improved performance on tasks requiring step-by-step reasoning, mathematical problem-solving, and code generation.
Updated Aug 17, 2026. Default version: o1
LLMBoard Score35.9o1
Coverage80%16 benchmark families
Context window200KTokens
Official input price$15OpenAI API
o1 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
o1 Benchmark Results
Benchmark scores for o1.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkGPQA Biology | Score69.2% | Rank01 | Participants1 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkGPQA Chemistry | Score64.7% | Rank01 | Participants1 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkGPQA Physics | Score92.8% | Rank01 | Participants1 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkMATH | Score96.4% | Rank02 | Participants71 | Percentile98.6% | EvidenceC | Evaluated |
| BenchmarkMMLU | Score91.8% | Rank02 | Participants101 | Percentile99.0% | EvidenceC | Evaluated |
| BenchmarkGSM8k | Score97.1% | Rank03 | Participants48 | Percentile95.7% | EvidenceC | Evaluated |
| BenchmarkMGSM | Score89.3% | Rank10 | Participants31 | Percentile70.0% | EvidenceC | Evaluated |
| BenchmarkTAU-bench Retail | Score70.8% | Rank10 | Participants25 | Percentile62.5% | EvidenceC | Evaluated |
| BenchmarkMathVista | Score71.8% | Rank12 | Participants39 | Percentile71.0% | EvidenceC | Evaluated |
| BenchmarkTAU-bench Airline | Score50.0% | Rank12 | Participants23 | Percentile50.0% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score5.5% | Rank17 | Participants17 | Percentile0.0% | EvidenceC | Evaluated |
| BenchmarkSimpleQA | Score47.0% | Rank17 | Participants47 | Percentile65.2% | EvidenceC | Evaluated |
| BenchmarkMMMU | Score77.6% | Rank18 | Participants63 | Percentile72.6% | EvidenceC | Evaluated |
| BenchmarkMMMLU | Score87.7% | Rank19 | Participants49 | Percentile62.5% | EvidenceC | Evaluated |
| BenchmarkHumanEval | Score88.1% | Rank26 | Participants66 | Percentile61.5% | EvidenceC | Evaluated |
| BenchmarkLiveBench | Score67.0% | Rank33 | Participants38 | Percentile13.5% | EvidenceC | Evaluated |
| BenchmarkAIME 2024 | Score74.3% | Rank35 | Participants53 | Percentile34.6% | EvidenceC | Evaluated |
| BenchmarkGPQA | Score78.0% | Rank100 | Participants239 | Percentile58.4% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Verified | Score41.0% | Rank101 | Participants111 | Percentile9.1% | EvidenceC | Evaluated |
o1 Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenavision style control | Categoryoverall | Rank76 | Rating / score1193.4 | Votes3,694 | ObservationsN/A | Result date |
| Arenavision | Categoryoverall | Rank89 | Rating / score1168.6 | Votes3,694 | ObservationsN/A | Result date |
| Arenatext style control | Categoryoverall | Rank136 | Rating / score1402.2 | Votes27,807 | ObservationsN/A | Result date |
| Arenatext | Categoryoverall | Rank166 | Rating / score1365.9 | Votes27,807 | ObservationsN/A | Result date |
o1 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $15 input, $60 output per 1M
- Official provider
- OpenAI
- Lowest third-party
- N/A
- Tracked offerings
- 1
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderOpenAI | Provider model IDo1 | Regionglobal | Input / 1M$15 | Output / 1M$60 | Context200K | Updated |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
o1 Runtime Performance
Provider-specific output speed and catalog latency for o1. Runtime does not affect the capability score.
Sort by
Provider | Output Speed | Catalog Latency | Max Input | Max Output | Updated |
|---|
| ProviderOpenAI | Output Speed66 tok/s | Catalog Latency16.2 s | Max Input200K | Max Output100K | Updated |
| ProviderAzure | Output Speed16 tok/s | Catalog Latency0.54 s | Max Input200K | Max Output100K | Updated |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
o1 Specifications
Technical details for the model's default version.
- Version
- o1
- Released
- Dec 17, 2024
- Knowledge cutoff
- Sep 1, 2023
- Parameters
- N/A
- Context window
- 200K
- Max output
- 100K
- Inputs
- image, pdf, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
o1 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| Versiono1 | Released | LLMBoard35.9 | ParametersN/A | Context200K | Max output100K | Open weightsNo | LicenseProprietary |
| Versiono1-preview | Released | LLMBoardN/A | ParametersN/A | Context128K | Max output32.8K | Open weightsNo | LicenseProprietary |
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What is o1?
Key information about o1 and its available data.
A research preview model focused on mathematical and logical reasoning capabilities, demonstrating improved performance on tasks requiring step-by-step reasoning, mathematical problem-solving, and code generation. The model shows enhanced capabilities in formal reasoning while maintaining strong general capabilities.
Data as of 2026-08-17.
FAQ
Common questions about o1.
When was o1 released?
o1's default version was released on Dec 17, 2024.
How much does o1 cost?
o1's official API price is $15 per million input tokens and $60 per million output tokens via OpenAI.
Who created o1?
o1 was created by OpenAI.
What is the context window for o1?
The default version has a 200K token context window.
Is o1 open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer o1?
1 provider offerings are linked to the default version.
What models should I compare o1 with?
Nearby ranked alternatives include North Mini Code 1.0, MiniMax M1 80K, LongCat Flash Chat.