ModelRefs / Claude Sonnet 4.5 vs Qwen2.5-VL 72B
Claude Sonnet 4.5 vs Qwen2.5-VL 72B
Claude Sonnet 4.5 vs Qwen2.5-VL 72B: 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.
Qwen2.5-VL 72B: Qwen2.5-VL 72B Instruct is the largest vision-language model in Alibaba's Qwen2.5-VL line, accepting images and video alongside text. Qwen highlights comprehension of videos over an hour long, structured extraction from documents such as invoices, forms and tables, visual grounding returned as bounding boxes or points, and agentic computer and phone use. The published config sets a 32,768-token context, and Qwen advises against YaRN extension here because it degrades temporal and spatial localisation.
Context window: Claude Sonnet 4.5 accepts up to 200,000 tokens, Qwen2.5-VL 72B up to 128,000. Confirm the limit for your specific deployment channel before relying on it.
Claude Sonnet 4.5 vs Qwen2.5-VL 72B at a glance
| Attribute | Claude Sonnet 4.5 | Qwen2.5-VL 72B |
|---|---|---|
| Provider | Anthropic | Alibaba |
| Released | 2025-09-29 | 2025-01-26 |
| Context window | 200,000 tokens | 128,000 tokens |
| Input price | $3/M tokens | Free / self-hosted |
| Output price | $15/M tokens | Free / self-hosted |
| Licence | Proprietary | Qwen License |
| Self-hostable | No, hosted only | Yes, open weights |
| Modalities | text, vision | text, vision |
Where they differ most
- Cost Efficiency: Claude Sonnet 4.5 37%, Qwen2.5-VL 72B 100%. Qwen2.5-VL 72B 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 Qwen2.5-VL 72B.
Frequently asked questions
Which is better, Claude Sonnet 4.5 or Qwen2.5-VL 72B?
Claude Sonnet 4.5 and Qwen2.5-VL 72B target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Claude Sonnet 4.5 cheaper than Qwen2.5-VL 72B?
Compare $0.00300 vs $0.00000 on this page.