Qwen's largest MoE model with 397B total parameters, 17B active.
Anthropic's new flagship for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Qwen3.5 397B A17B and Claude Opus 5.5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Qwen3.5 397B A17B has a lower blended cost. Qwen3.5 397B A17B: $0.55 input / $3.50 output. Claude Opus 5.5: $4.00 input / $20.00 output.
Claude Opus 5.5 has a larger context window: Qwen3.5 397B A17B supports 262K tokens vs Claude Opus 5.5 at 1M tokens.
Yes, both Qwen3.5 397B A17B and Claude Opus 5.5 support vision/image input.
Key differences: Qwen3.5 397B A17B is significantly cheaper. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Qwen3.5 397B A17B and Claude Opus 5.5 for free on idapt.app to see which performs better for your specific needs.