Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Model details →Anthropic: Claude Opus 5.5 vs Qwen: Qwen3.8 Max Prime
Qwen: Qwen3.8 Max Prime wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
Qwen3.8 Max Prime is a higher-throughput variant of Qwen3.8 Max from Alibaba's Qwen team, served as a separate SKU at a higher price point. It accepts text, image, and video...
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Opus 5.5 | Qwen: Qwen3.8 Max Prime | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1M | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $4.00 | $4.00 | Tie |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $20.00 | $12.00 | 🏆 Qwen: Qwen3.8 Max Prime |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Opus 5.5 better than Qwen: Qwen3.8 Max Prime?
Qwen: Qwen3.8 Max Prime wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Opus 5.5 and Qwen: Qwen3.8 Max Prime?
Input: $4.00 vs $4.00 per 1M tokens. Output: $20.00 vs $12.00 per 1M tokens.
What context windows do Anthropic: Claude Opus 5.5 and Qwen: Qwen3.8 Max Prime support?
Anthropic: Claude Opus 5.5 supports up to 1M tokens. Qwen: Qwen3.8 Max Prime supports up to 1M tokens.
Do both Anthropic: Claude Opus 5.5 and Qwen: Qwen3.8 Max Prime support tool calling?
Anthropic: Claude Opus 5.5: yes. Qwen: Qwen3.8 Max Prime: yes.