OpenAI model product
o1
o1 is an OpenAI research preview model focused on mathematical and logical reasoning.
Updated Oct 23, 2026. Default version: o1
LLMBoard Score34.2o1
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 | Score69.20% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkGPQA Chemistry | Score64.70% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkGPQA Physics | Score92.80% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkMATH | Score96.40% | Rank02 | Participants71 | Percentile98.57% | EvidenceC | Evaluated |
| BenchmarkGSM8k | Score97.10% | Rank03 | Participants48 | Percentile95.74% | EvidenceC | Evaluated |
| BenchmarkMMLU | Score91.80% | Rank03 | Participants103 | Percentile98.04% | EvidenceC | Evaluated |
| BenchmarkMGSM | Score89.30% | Rank10 | Participants31 | Percentile70.00% | EvidenceC | Evaluated |
| BenchmarkTAU-bench Retail | Score70.80% | Rank10 | Participants25 | Percentile62.50% | EvidenceC | Evaluated |
| BenchmarkTAU-bench Airline | Score50.00% | Rank12 | Participants23 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkMathVista | Score71.80% | Rank13 | Participants40 | Percentile69.23% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score5.50% | Rank17 | Participants17 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkSimpleQA | Score47.00% | Rank17 | Participants47 | Percentile65.22% | EvidenceC | Evaluated |
| BenchmarkMMMLU | Score87.70% | Rank19 | Participants51 | Percentile64.00% | EvidenceC | Evaluated |
| BenchmarkMMMU | Score77.60% | Rank21 | Participants66 | Percentile69.23% | EvidenceC | Evaluated |
| BenchmarkHumanEval | Score88.10% | Rank26 | Participants66 | Percentile61.54% | EvidenceC | Evaluated |
| BenchmarkLiveBench | Score67.00% | Rank33 | Participants38 | Percentile13.51% | EvidenceC | Evaluated |
| BenchmarkAIME 2024 | Score74.30% | Rank36 | Participants54 | Percentile33.96% | EvidenceC | Evaluated |
| BenchmarkAA IFBench | Score70.34% | Rank46 | Participants168 | Percentile73.05% | EvidenceB | EvaluatedN/A |
| BenchmarkAA Omniscience Accuracy | Score34.53% | Rank49 | Participants201 | Percentile76.00% | EvidenceB | EvaluatedN/A |
| BenchmarkLM Arena Vision Style Control | Score1,192.66 rating | Rank80 | Participants113 | Percentile29.46% | EvidenceA | Evaluated |
| BenchmarkLM Arena Vision | Score1,168.37 rating | Rank84 | Participants113 | Percentile25.89% | EvidenceA | Evaluated |
| BenchmarkAA LCR v1.1 | Score65.00% | Rank106 | Participants193 | Percentile45.31% | EvidenceB | EvaluatedN/A |
| BenchmarkSWE-Bench Verified | Score41.00% | Rank110 | Participants120 | Percentile8.40% | EvidenceC | Evaluated |
| BenchmarkGPQA | Score78.00% | Rank113 | Participants256 | Percentile56.08% | EvidenceC | Evaluated |
| BenchmarkLM Arena Text Style Control | Score1,402.32 rating | Rank115 | Participants218 | Percentile47.47% | EvidenceA | Evaluated |
| BenchmarkAA CritPt | Score0.29% | Rank116 | Participants200 | Percentile42.21% | EvidenceB | EvaluatedN/A |
| BenchmarkAA GPQA Diamond | Score74.75% | Rank123 | Participants199 | Percentile38.38% | EvidenceB | EvaluatedN/A |
| BenchmarkLM Arena Text | Score1,365.85 rating | Rank135 | Participants218 | Percentile38.25% | EvidenceA | Evaluated |
| BenchmarkAA HLE Text No Tools | Score7.01% | Rank142 | Participants200 | Percentile29.15% | EvidenceB | EvaluatedN/A |
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 | Categorychinese | Rank54 | Rating / score1,263.80 | Votes99 | ObservationsN/A | Result date |
| Arenatext | Categorykorean | Rank57 | Rating / score1,395.97 | Votes396 | ObservationsN/A | Result date |
| Arenatext style control | Categorykorean | Rank57 | Rating / score1,409.36 | Votes396 | ObservationsN/A | Result date |
| Arenavision | Categorychinese | Rank64 | Rating / score1,235.10 | Votes99 | ObservationsN/A | Result date |
| Arenavision style control | Categoryoverall | Rank80 | Rating / score1,192.66 | Votes3,694 | ObservationsN/A | Result date |
| Arenavision style control | Categoryenglish | Rank83 | Rating / score1,186.57 | Votes1,943 | ObservationsN/A | Result date |
| Arenavision | Categoryoverall | Rank84 | Rating / score1,168.37 | Votes3,694 | ObservationsN/A | Result date |
| Arenatext style control | Categoryjapanese | Rank86 | Rating / score1,374.18 | Votes581 | ObservationsN/A | Result date |
| Arenavision | Categoryenglish | Rank88 | Rating / score1,162.31 | Votes1,943 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry entertainment and sports and media | Rank94 | Rating / score1,389.90 | Votes5,210 | ObservationsN/A | Result date |
| Arenatext | Categoryjapanese | Rank97 | Rating / score1,346.07 | Votes581 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry writing and literature and language | Rank97 | Rating / score1,398.21 | Votes7,663 | ObservationsN/A | Result date |
| Arenatext style control | Categoryinstruction following | Rank102 | Rating / score1,407.01 | Votes10,246 | ObservationsN/A | Result date |
| Arenatext style control | Categorycreative writing | Rank105 | Rating / score1,381.25 | Votes4,642 | ObservationsN/A | Result date |
| Arenatext style control | Categorymath | Rank111 | Rating / score1,408.89 | Votes2,986 | ObservationsN/A | Result date |
| Arenatext style control | Categorylonger query | Rank114 | Rating / score1,412.45 | Votes3,571 | ObservationsN/A | Result date |
| Arenatext style control | Categorynon english | Rank114 | Rating / score1,389.75 | Votes11,491 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry legal and government | Rank115 | Rating / score1,406.56 | Votes1,454 | ObservationsN/A | Result date |
| Arenatext style control | Categoryoverall | Rank115 | Rating / score1,402.32 | Votes27,807 | ObservationsN/A | Result date |
| Arenatext style control | Categoryexclude ties | Rank116 | Rating / score1,386.29 | Votes19,214 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry mathematical | Rank116 | Rating / score1,414.06 | Votes2,644 | ObservationsN/A | Result date |
| Arenatext style control | Categoryspanish | Rank118 | Rating / score1,392.75 | Votes142 | ObservationsN/A | Result date |
| Arenatext | Categoryindustry entertainment and sports and media | Rank119 | Rating / score1,358.02 | Votes5,210 | ObservationsN/A | Result date |
| Arenatext | Categorycreative writing | Rank120 | Rating / score1,347.26 | Votes4,642 | ObservationsN/A | Result date |
| Arenatext style control | Categorychinese | Rank120 | Rating / score1,429.41 | Votes1,780 | ObservationsN/A | Result date |
| Arenatext style control | Categorygerman | Rank120 | Rating / score1,375.09 | Votes556 | ObservationsN/A | Result date |
| Arenatext style control | Categoryhard prompts | Rank120 | Rating / score1,418.08 | Votes6,453 | ObservationsN/A | Result date |
| Arenatext style control | Categoryrussian | Rank121 | Rating / score1,387.52 | Votes3,078 | ObservationsN/A | Result date |
| Arenatext style control | Categoryenglish | Rank122 | Rating / score1,411.74 | Votes16,316 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry life and physical and social science | Rank122 | Rating / score1,410.63 | Votes4,820 | 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 Speed66.00 tok/s | Catalog Latency16.20 s | Max Input200K | Max Output100K | Updated |
| ProviderAzure | Output Speed16.00 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
- Unknown
- Parameters
- N/A
- Context window
- 200K
- Max output
- 100K
- Inputs
- 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 | LLMBoard34.23 | 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.
o1 is a large language model for tasks involving step-by-step reasoning, mathematical problem-solving, and code generation. It demonstrates enhanced formal reasoning while maintaining general capabilities.
Data as of 2026-10-22.
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.