OpenAI, proprietary
o1-pro
o1-pro by OpenAI ranks 271st of 354 ranked models on the Noometry Index as of October 2026, with a score of 31.5. Its strongest category is knowledge, where it ranks 234th. API pricing starts at $150 per million input tokens and $600 per million output tokens, with a 200K-token context window.
Last verified
Specifications
- Noometry rank
- #271 of 354
- Index score
- 31.5
- Evidence
- Reported 3 results
- Provider
- OpenAI
- Released
- March 19, 2025
- Weights
- Proprietary
- Reasoning
- Yes
- Context window
- 200K
- Max output
- 100K
- Input price
- $150 / M
- Output price
- $600 / M
- Blended price
- $263 / M
- Output speed
- Not measured
- Value
- #219 of 219
- Knowledge cutoff
- September 2023
- Input
- text, image
Category scores
Each category score combines every public result we have in that category.
- Reasoning 20.4
- Knowledge 29.7
Strengths and weaknesses
Categories where o1-pro places highest and lowest among the models ranked in each, with its score against that category's median.
Closest competitors
The models ranked just above and below o1-pro. When scores are this close, price and speed are often the better way to choose.
| Model | Rank | Score | Blended $/M | Speed | |
|---|---|---|---|---|---|
| Qwen2.5 72B Instruct | #267 | 31.9 | $2.45 | — | Compare |
| Llama2 70b Steerlm Chat | #268 | 31.8 | — | — | Compare |
| Mistral Small 3.1 | #269 | 31.7 | $0.40 | — | Compare |
| Granite 3.0 8b Instruct | #270 | 31.6 | — | — | Compare |
| Command R | #272 | 31.4 | $0.26 | — | Compare |
| Qwen1.5-7B | #273 | 31.4 | — | — | Compare |
| Wizardlm 13b | #274 | 31.4 | — | — | Compare |
| Qwen-14B | #275 | 31.4 | — | — | Compare |
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Benchmark results
Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.
Reasoning
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| ARC-AGI-1 | 23.3% | #67 of 83, top 81% | low | Epoch AI | |
| EnigmaEval | 6.1% | #19 of 38, top 50% | Epoch AI |
Knowledge
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| Humanity's Last Exam | 8.1% | #28 of 41, top 69% | Epoch AI |
API pricing by provider
| Route | Input $/M | Output $/M | Cached input $/M | Checked |
|---|---|---|---|---|
| openai | $150 | $600 | — | 2026-10-10 |
| openrouter | $150 | $600 | — | 2026-10-10 |
Compare o1-pro
- o1-pro vs Granite 3.0 8b Instruct
- o1-pro vs Command R
- o1-pro vs Mistral Small 3.1
- o1-pro vs Qwen1.5-7B
- o1-pro vs Llama2 70b Steerlm Chat
- o1-pro vs Wizardlm 13b
- o1-pro vs Claude Fable 5.1
- o1-pro vs Gemini 3.8 Flash
- o1-pro vs Kimi K3
- o1-pro vs Grok 4.6
- o1-pro vs Qwen3.8 Max
- o1-pro vs GLM-5.3
- o1-pro vs Muse Spark 1.3
- o1-pro vs DeepSeek V4 Pro
Other OpenAI models
- GPT-6 Astra70.8
- GPT-6.1 Sol65.6
- GPT-5.6 Sol65.0
- GPT-5.5 Pro64.3
- GPT-5.563.4
- GPT-6 Sol61.8
- GPT-5.459.4
- GPT-5.6 Terra59.2
Frequently asked questions
How good is o1-pro?
o1-pro by OpenAI ranks 271st of 354 ranked models on the Noometry Index as of October 2026, with a score of 31.5. Its strongest category is knowledge, where it ranks 234th. API pricing starts at $150 per million input tokens and $600 per million output tokens, with a 200K-token context window.
How much does o1-pro cost?
o1-pro costs $150 per million input tokens and $600 per million output tokens on OpenAI's own API.
What is o1-pro's context window?
o1-pro accepts up to 200K tokens of input and can write up to 100K tokens in one response.
Is o1-pro open source?
No. o1-pro is proprietary and available only through OpenAI's API and partner platforms.
What are o1-pro's strengths and weaknesses?
Relative to other ranked models, o1-pro places best in reasoning and lowest in knowledge.
What is o1-pro best at?
Its best category is knowledge, where it ranks 234th on Noometry.