Claude Opus 4.5 vs Qwen3 Coder Plus
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4.5 and Qwen3 Coder Plus.
Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
Qwen3 Coder Plus
Qwen3 Coder Plus is Alibaba's proprietary version of the Open Source Qwen3 Coder 480B A35B. It is a powerful coding agent model specializing in autonomous programming via tool calling and...
Technical Specifications
| Specification | Claude Opus 4.5 | Qwen3 Coder Plus |
|---|---|---|
| Provider | Anthropic | Alibaba |
| Context Window | 200,000 tokens | 1,000,000 tokens |
| Agent Suitability | 93/100 | N/A |
| Time to First Token (TTFT) | 550 ms | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2025-11-24 | 2025-09-23 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus 4.5
$5.00
Qwen3 Coder Plus
$0.65
Output Price per Million Tokens
Claude Opus 4.5
$25.00
Qwen3 Coder Plus
$3.25
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Claude Opus 4.5 Quirks & Gotchas
- ▸Deep analytical reasoning — best for structured problem-solving
- ▸200K context is limiting compared to 1M of Opus 4.6+ — upgrade for long-document tasks
Qwen3 Coder Plus Quirks & Gotchas
No developer gotchas reported.