Claude Opus 4.6 vs Qwen3.5 Plus 2026-02-15
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 4.6 and Qwen3.5 Plus 2026-02-15.
Claude Opus 4.6
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...
Qwen3.5 Plus 2026-02-15
The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achieving higher inference efficiency. In a variety of...
Technical Specifications
| Specification | Claude Opus 4.6 | Qwen3.5 Plus 2026-02-15 |
|---|---|---|
| Provider | Anthropic | Alibaba |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Agent Suitability | 95/100 | N/A |
| Time to First Token (TTFT) | 500 ms | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2026-02-04 | 2026-02-16 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus 4.6
$5.00
Qwen3.5 Plus 2026-02-15
$0.26
Output Price per Million Tokens
Claude Opus 4.6
$25.00
Qwen3.5 Plus 2026-02-15
$1.56
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
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 4.6 Quirks & Gotchas
- ▸Best for long-context document analysis and legal review
- ▸Tool calling requires structured prompt — prone to verbose refusal without explicit output schema
Qwen3.5 Plus 2026-02-15 Quirks & Gotchas
No developer gotchas reported.