o3
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks.
o3 specs and pricing
- Provider: OpenAI
- Released: April 16, 2025
- Context window: 200K tokens
- Max output: 100K tokens
- Input: images, text, files
- Output: text
- Price: $2.00 input / $8.00 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
FAQ
- How much does o3 cost? o3 costs $2.00 per million input tokens and $8.00 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 6.72 credits ($1 = 100 credits).
- What is the context window of o3? o3 can read up to 200K tokens at once and write up to 100K tokens in one reply.
- Can I use o3 without coding? Yes. In todo.is you pick o3 as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.