GPT-6 Astra
GPT-6 Astra is a flagship model from OpenAI designed for complex, end-to-end tasks. It features a large context window and built-in reasoning capabilities, making it suitable for deep research and technical projects.
GPT-6 Astra specs and pricing
- Provider: OpenAI
- Released: September 4, 2026
- Context window: 1.1M tokens
- Max output: 128K tokens
- Input: files, images, text
- Output: text
- Price: $10 input / $50 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What GPT-6 Astra is good at
- Advanced software engineering tasks
- Scientific research and data analysis
- Creating and synthesizing long-form documents
To-dos to try with GPT-6 Astra
- Analyze a 500-page technical manual to identify potential system vulnerabilities.
- Debug a large codebase by tracing logic across multiple linked files.
- Synthesize findings from a collection of research papers into a structured report.
FAQ
- Who developed GPT-6 Astra? GPT-6 Astra is developed by OpenAI.
- Can this model process visual information? Yes, the model is capable of accepting both images and files as input.
- How much does GPT-6 Astra cost? GPT-6 Astra costs $10 per million input tokens and $50 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 35 credits ($1 = 100 credits).
- What is the context window of GPT-6 Astra? GPT-6 Astra can read up to 1.1M tokens at once and write up to 128K tokens in one reply.
- Can I use GPT-6 Astra without coding? Yes. In todo.is you pick GPT-6 Astra 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.