Claude Haiku 4.5 vs Qwen3.5-Flash
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 Haiku 4.5 and Qwen3.5-Flash.
Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Qwen3.5-Flash
The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. Compared to the...
Technical Specifications
| Specification | Claude Haiku 4.5 | Qwen3.5-Flash |
|---|---|---|
| Provider | Anthropic | Alibaba |
| Context Window | 200,000 tokens | 1,000,000 tokens |
| Agent Suitability | 87/100 | N/A |
| Time to First Token (TTFT) | 180 ms | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2025-10-15 | 2026-02-25 |
API Pricing Comparison
Input Price per Million Tokens
Claude Haiku 4.5
$1.00
Qwen3.5-Flash
$0.07
Output Price per Million Tokens
Claude Haiku 4.5
$5.00
Qwen3.5-Flash
$0.26
Want to test both models live?
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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 Haiku 4.5 Quirks & Gotchas
- ▸Fastest TTFT in the Claude lineup — ideal for real-time chat
- ▸Tool calling limited compared to Sonnet — best for simple classification and routing
Qwen3.5-Flash Quirks & Gotchas
No developer gotchas reported.