OpenAI: o1
The OpenAI o1 model is equipped to handle text, images, and file inputs with a context length of 200,000 tokens and supports reasoning and tools for enhanced functionality. While it does not offer structured output or open-source weights, it excels in processing diverse input modalities. For applications requiring a blend of performance across text generation, coding assistance, and polyglot understanding, the o1 model is a solid choice with its 57.3 blended benchmark score. However, given its price at $60 per million output tokens, it may be more suited for projects where budget constraints are less stringent and broader benchmark coverage is desired.
Benchmark results
Independent, published benchmarks. Blended score 57.3 across 3 benchmarks, last refreshed 2026-07-25. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 61.7 |
| AI Index | broad capability composite | 38.7 |
| AI Index Coding | software engineering tasks | 65.5 |
- Model ID
- openai/o1
- Vendor
- openai
- Released
- December 2024
- Tokenizer
- GPT
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- 100,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- yes
What it costs in practice
Computed from the current $15.00/M input and $60.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.54 |
| Classify 1,000 customer emails | 500k in / 50k out | $10.50 |
| A month of a busy support chatbot | 5M in / 2M out | $195.00 |
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Quick answers
- How much does OpenAI: o1 cost?
- $15.00 per million input tokens and $60.00 per million output tokens.
- What is OpenAI: o1's context window?
- 200,000 tokens, roughly 300 pages of text in a single request.
- Does OpenAI: o1 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can OpenAI: o1 process images?
- Yes, it accepts image input.