o3: pricing, specs, and how to use it (2026)
o3 is an AI model from OpenAI, available alongside ChatGPT, Claude, Gemini, and 300+ other models inside Admix on one subscription from $8.99/mo.
Quick specs
| Provider | OpenAI |
| Model ID | openai/o3 |
| Input price | $2.00 / 1M tokens |
| Output price | $8.00 / 1M tokens |
| Tier | pro |
| Accepts images | Yes |
| Category | Advanced |
How to use o3 in Admix
Open Admix, pick o3 from the model list, and start chatting. You can also run the same prompt through o3 and other frontier models like Claude, GPT-5, and Gemini side by side, then pick the best answer or spot disagreement. One subscription, no separate API key.
Compare o3 with other AI models
These are popular comparisons to make alongside o3:
FAQ
What is o3?
o3 is an AI model from OpenAI, available inside Admix alongside 300+ other frontier and open-source AI models on one subscription.
How much does o3 cost?
o3 costs $2.00 per million input tokens and $8.00 per million output tokens. In Admix you use it inside one subscription starting at $8.99 per month, no separate API key required.
Can I compare o3 with ChatGPT, Claude, or Gemini?
Yes. Admix lets you run the same prompt through o3 and any of the other 300+ models in the catalog, then see the answers side by side.
Try o3 in Admix
One subscription, 300+ AI models including o3. Compare any of them side by side from $8.99/mo.
Try Admix free