Detailed comparison of capabilities, features, and performance.
| Feature | GPT-6 Astra | Claude 4.6 Opus Max |
|---|---|---|
| AI Lab | OpenAI | Anthropic |
| Context Size | 1,050,000 tokens | 1,000,000 tokens |
| Max Output Size | 128,000 tokens | 125,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | Yes |
| Description | GPT-6 Astra is OpenAI's most capable model, built for the hardest end-to-end work: complex reasoning, coding, computer use, research and document creation. Features a 1.05M context window, 128k output tokens, and reasoning token support. | The latest Opus 4.6 model from Anthropic with effort set to max for highest reasoning and creativity, ideal for complex agentic tasks |
View detailed specifications and capabilities
View model details →View detailed specifications and capabilities
View model details →Access both GPT-6 Astra and Claude 4.6 Opus Max in a single workspace without managing multiple API keys.
Create your workspace
