o3: Benchmarks, Pricing & Context Window
o3 is a language model from OpenAI, released in April 2025, with multimodal input.
OpenAI's most powerful reasoning model. o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following.
Input
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Output
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o3 pricing
Providers
o3 starts at $2.00 per million input tokens and $8.00 per million output tokens via OpenAI.
| Provider | Input $/M | Output $/M | Max Input | Max Output | Latency s | Throughput | Quant | Input | Output |
|---|---|---|---|---|---|---|---|---|---|
 OpenAI | $2.00 | $8.00 | 200.0K | 100.0K | 20.00 | 50 c/s | — |
o3 API
API access coming soon
o3 will be available through our gateway shortly.
o3 examples
Recent arena outputs from o3, picked from the highest-ranked matchups.
o3 license
o3 is released under the Proprietary license, which restricts commercial use, has a knowledge cutoff of May 2024.
- License
- Proprietary
- Non-commercial
- Knowledge cutoff
- May 2024
Proprietary license - usage restrictions apply
FAQ
Common questions about o3.