GPT-6 Astra
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work.
Specifications
| Lab | OpenAI |
|---|---|
| Context window | 1.1M tokens |
| Input price | $10.00/1M |
| Output price | $50.00/1M |
| Release | Sep 2026 |
Strengths
- 1.05M-token context for long documents and workflows
- Long-horizon software engineering and agentic tasks
- File and image input with text output
- Broad analysis, research, and document capabilities
Weaknesses
- High output cost at $50 per million tokens
- Batch and pro listings are separate OpenRouter configurations
- Limited independent benchmark history at launch
Best for
- Long-running software engineering agents
- Deep research and scientific analysis
- Large-document processing
- Complex multi-step tool use
In Depth: GPT-6 Astra
Summary
GPT-6 Astra is an AI model from OpenAI.
Released in Sep 2026. It takes file, image, and text input and produces text output, with a context window of 1.1M tokens. Input pricing is $10.00 per 1M tokens and output is $50.00 per 1M tokens on OpenRouter.