# Claude 4.1 Opus Thinking vs Qwen3.5 Plus

> Side-by-side benchmark comparison for Claude 4.1 Opus Thinking and Qwen3.5 Plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-4-1-opus-thinking-vs-qwen3-5-plus
- Last updated: September 28, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude 4.1 Opus Thinking and Qwen3.5 Plus.

## Summary

- Claude 4.1 Opus Thinking and Qwen3.5 Plus 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 4.1 Opus Thinking | Qwen3.5 Plus |
|----------|----------|----------|
| Creator | Anthropic | Alibaba |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 1M |
| Independent public score (not head-to-head) | 36.59 | 48.92 |
| Benchmarks Covered | 0 | 4 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.40 / $2.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: Coming soon
- Qwen3.5 Plus public-lane score: Coming soon

| Benchmark | Claude 4.1 Opus Thinking | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| JobBench | Coming soon | 18.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: Coming soon
- Qwen3.5 Plus public-lane score: Coming soon

| Benchmark | Claude 4.1 Opus Thinking | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | Coming soon | 15.74% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 74.6 (Unranked · 2 rankable rows)
- Qwen3.5 Plus public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 61.1 (Unranked · 1 rankable row)
- Qwen3.5 Plus public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 41.7 (Estimated · #92/168)
- Qwen3.5 Plus public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 65.1 (#69/124)
- Qwen3.5 Plus public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: Coming soon
- Qwen3.5 Plus public-lane score: 39.3 (Unranked · 2 rankable rows)

| Benchmark | Claude 4.1 Opus Thinking | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 21.034% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 2.083% | Coming soon |

## FAQ

### Can I compare Claude 4.1 Opus Thinking and Qwen3.5 Plus 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 4.1 Opus Thinking vs Claude 4.1 Opus](/compare/claude-4-1-opus-vs-claude-4-1-opus-thinking)
- [Qwen3.5 Plus vs Claude 4.1 Opus](/compare/claude-4-1-opus-vs-qwen3-5-plus)
- [Claude 4.1 Opus Thinking vs GPT-6 Astra](/compare/claude-4-1-opus-thinking-vs-gpt-6-astra)
- [Qwen3.5 Plus vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-5-plus)

## Explore More

- [Claude 4.1 Opus Thinking profile](/models/claude-4-1-opus-thinking)
- [Qwen3.5 Plus profile](/models/qwen3-5-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)