OpenAI
o1-pro
The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.
At a glance
- Input / 1M
- $150
- Output / 1M
- $600
- Context
- 200K
- Max output
- 100K
- Intelligence
- 12.4
- Released
- Mar 2025
Pricing
o1-pro API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $150 |
|---|---|
| Output tokensPer 1M tokens | $600 |
| Cached input (read)Per 1M tokens | Not available |
| Cache writePer 1M tokens | Not available |
| Web searchPer request | $0.01 |
Chat message
2K in, 500 out
$600
per 1,000 requests
Coding task
30K in, 4K out
$6900
per 1,000 requests
Long document summary
150K in, 2K out
$23700
per 1,000 requests
Benchmarks
o1-pro benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
12.4
Coding index
Not available
Agentic index
Not available
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 200K tokens
- Max output
- 100K tokens
- Input types
- File, Image, Text
- Output types
- Text
- Reasoning effort
- Not available
- Release date
- March 19, 2025
- Knowledge cutoff
- October 31, 2023
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
o1-pro vs other models
See how o1-pro stacks up head to head on price, benchmarks, and features.
VSo1-pro vs o3 Pro
OpenAI vs OpenAI
See comparisonVSo1-pro vs o1
OpenAI vs OpenAI
See comparisonVS
o1-pro vs Command A
OpenAI vs Cohere
See comparisonVSo1-pro vs GPT-4.1
OpenAI vs OpenAI
See comparisonVSo1-pro vs o3 Mini
OpenAI vs OpenAI
See comparisonVSo1-pro vs GPT-4o (2024-11-20)
OpenAI vs OpenAI
See comparisonAlternatives
o1-pro alternatives
Similar models worth considering, and where each one has the edge.
OpenAI
o3 Pro
OpenAI
o1
Cohere
Command A
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does o1-pro cost?
o1-pro costs $150 per 1M input tokens and $600 per 1M output tokens through the API. A typical chat message costs about $600 per 1,000 messages.
What is the context window of o1-pro?
o1-pro accepts up to 200K tokens of input and can write up to 100K tokens in a single response.
What is the best alternative to o1-pro?
o3 Pro from OpenAI is a strong alternative. It offers: 7.5x cheaper output, higher intelligence score, newer release.
Can I use o1-pro alongside other models?
Yes. Shortcut Chat sends one prompt to o1-pro and any other models you pick at the same time, so you can compare answers side by side.
Try o1-pro next to every other model.
Use o1-pro alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.