ModelRefs / Claude Sonnet 4.5 vs QwQ 32B
Claude Sonnet 4.5 vs QwQ 32B
Claude Sonnet 4.5 vs QwQ 32B: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
Claude Sonnet 4.5: Claude Sonnet 4.5 is Anthropic's balanced frontier model, designed for complex reasoning, coding, and agentic tasks while maintaining production-grade speed. It builds on the Claude 4 family's emphasis on honesty and reduced hallucination rates.
QwQ 32B: QwQ 32B is the reasoning model of Alibaba's Qwen series, a 32.5-billion-parameter causal language model (31.0 billion excluding embeddings) with 64 layers and grouped-query attention using 40 query and 8 key-value heads. It is built to work through a problem before answering rather than responding directly. The full context length is 131,072 tokens, though Qwen notes that prompts beyond 8,192 tokens require YaRN to be enabled. Released under Apache 2.0.
Context window: Claude Sonnet 4.5 accepts up to 200,000 tokens, QwQ 32B up to 131,072. Confirm the limit for your specific deployment channel before relying on it.
Claude Sonnet 4.5 vs QwQ 32B at a glance
| Attribute | Claude Sonnet 4.5 | QwQ 32B |
|---|---|---|
| Provider | Anthropic | Alibaba |
| Released | 2025-09-29 | 2025-03-06 |
| Context window | 200,000 tokens | 131,072 tokens |
| Input price | $3/M tokens | $0.15/M tokens |
| Output price | $15/M tokens | $0.6/M tokens |
| Licence | Proprietary | Apache-2.0 |
| Self-hostable | No, hosted only | Yes, open weights |
| Modalities | text, vision | text |
Where they differ most
- Cost Efficiency: Claude Sonnet 4.5 37%, QwQ 32B 91%. QwQ 32B leads on this dimension.
- Coding: Claude Sonnet 4.5 77%, QwQ 32B 63%. Claude Sonnet 4.5 leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Claude Sonnet 4.5 vs QwQ 32B.
Frequently asked questions
Which is better, Claude Sonnet 4.5 or QwQ 32B?
Claude Sonnet 4.5 and QwQ 32B target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Claude Sonnet 4.5 cheaper than QwQ 32B?
Compare $0.00300 vs $0.00015 on this page.