Detailed comparison of capabilities, features, and performance.
| Feature | Qwen 3.8 Max | Claude Fable 5.1 |
|---|---|---|
| AI Lab | Alibaba | Anthropic |
| Context Size | 262,144 tokens | 1,000,000 tokens |
| Max Output Size | 32,768 tokens | 128,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | Yes |
| Description | Alibaba's most capable closed flagship, built on the Qwen3.5 architecture with major gains in coding, research and long-horizon agentic work. Vision, function calling and a 262k context window. Available exclusively through Fireworks AI. | Anthropic's latest flagship, succeeding Claude Fable 5 with improved instruction following and cheaper cache reads. 1M token context window, 128k max output, and always-on adaptive thinking. |
View detailed specifications and capabilities
View model details →View detailed specifications and capabilities
View model details →Access both Qwen 3.8 Max and Claude Fable 5.1 in a single workspace without managing multiple API keys.
Create your workspace
