# Claude Sonnet 4.5 Thinking vs Qwen2.5-1M

> Side-by-side benchmark comparison for Claude Sonnet 4.5 Thinking and Qwen2.5-1M across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-4-5-thinking-vs-qwen2-5-1m
- Last updated: September 4, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Sonnet 4.5 Thinking and Qwen2.5-1M.

## Summary

- Claude Sonnet 4.5 Thinking and Qwen2.5-1M do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Sonnet 4.5 Thinking | Qwen2.5-1M |
|----------|----------|----------|
| Creator | Anthropic | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 200K | 1M |
| Independent public score (not head-to-head) | null | 49.45 |
| Benchmarks Covered | 1 | 0 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 Thinking public-lane score: Coming soon
- Qwen2.5-1M public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 Thinking | Qwen2.5-1M | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 22.62% | Coming soon | Coming soon |

## FAQ

### Can I compare Claude Sonnet 4.5 Thinking and Qwen2.5-1M on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Claude Sonnet 4.5 Thinking vs Claude Sonnet 4.5](/compare/claude-sonnet-4-5-vs-claude-sonnet-4-5-thinking)
- [Qwen2.5-1M vs Claude Sonnet 4.5](/compare/claude-sonnet-4-5-vs-qwen2-5-1m)
- [Claude Sonnet 4.5 Thinking vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-sonnet-4-5-thinking)
- [Qwen2.5-1M vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen2-5-1m)

## Explore More

- [Claude Sonnet 4.5 Thinking profile](/models/claude-sonnet-4-5-thinking)
- [Qwen2.5-1M profile](/models/qwen2-5-1m)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)