GPT-4.1
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
GPT-4.1 specs and pricing
- Provider: OpenAI
- Released: April 14, 2025
- Context window: 1M tokens
- Max output: 33K tokens
- Input: images, text, files
- Output: text
- Price: $2.00 input / $8.00 output per 1M tokens
- Tool calling: yes
FAQ
- How much does GPT-4.1 cost? GPT-4.1 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 GPT-4.1? GPT-4.1 can read up to 1M tokens at once and write up to 33K tokens in one reply.
- Can I use GPT-4.1 without coding? Yes. In todo.is you pick GPT-4.1 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.