# Claude Opus 4.8 vs Qwen3 235B 2507 (Reasoning)

> Side-by-side benchmark comparison for Claude Opus 4.8 and Qwen3 235B 2507 (Reasoning) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-8-vs-qwen3-235b-2507-reasoning
- Last updated: October 10, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Claude Opus 4.8 if you want the stronger benchmark profile. Qwen3 235B 2507 (Reasoning) only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 4.8 leads overall 69.12 to 58.
- The clearest category separation is in mathematics, where the averages are 65.7 for Claude Opus 4.8 and 30.5 for Qwen3 235B 2507 (Reasoning).
- The biggest single benchmark swing is HLE in Knowledge, with scores of 57.9% and 18.2%.
- Qwen3 235B 2507 (Reasoning) is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Opus 4.8 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) |
|----------|----------|----------|
| Creator | Anthropic | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 128K |
| Overall Score | 69.12 | null |
| Benchmarks Covered | 40 | 10 |
| Pricing (input/output) | $5.00 / $25.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 61.6 (Supported · #20/123)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 21.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | Coming soon | Coming soon |
| BrowseComp | 84.3% | Coming soon | Coming soon |
| DeepSearchQA | 93.1% | Coming soon | Coming soon |
| OSWorld-Verified | 83.4% | Coming soon | Coming soon |
| Finance Agent v2 | 53.9% | Coming soon | Coming soon |
| MCP Atlas | 82.2% | Coming soon | Coming soon |
| Toolathlon | 59.9% | Coming soon | Coming soon |
| Gert Labs | 72.97% | Coming soon | Coming soon |
| ResearchClawBench | 21.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 20.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 71.9% | Coming soon | Coming soon |

### Coding

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 60.8 (Supported · #19/146)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 88.6% | Coming soon | Coming soon |
| SWE-bench Pro | 69.2% | Coming soon | Coming soon |
| SWE Multilingual | 84.4% | Coming soon | Coming soon |
| SWE Multimodal | 38.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | Coming soon | Coming soon |
| cursorBench31 | 58.4% | Coming soon | Coming soon |
| CursorBench 3.2 | 62.3% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 46.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 88.6% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 32.9% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 74.1% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 62.9 (#24/28)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 1.5% | Coming soon | Coming soon |
| ARC-AGI-1 | 92.50% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 91.2 (#5/54)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |
| ScreenSpot Pro | 87.9% | Coming soon | Coming soon |
| CharXiv | 89.9% | Coming soon | Coming soon |
| CharXiv w/o tools | 80.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 70.7 (Supported · #14/177)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 93.6% | 81.1% | Claude Opus 4.8 |
| GPQA-D | 93.6% | Coming soon | Coming soon |
| HLE | 57.9% | 18.2% | Claude Opus 4.8 |
| HLE w/o tools | 49.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.6% | Coming soon | Coming soon |
| SuperGPQA | Coming soon | 64.9% | Coming soon |
| MMLU-Pro | Coming soon | 84.4% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: Coming soon
- Qwen3 235B 2507 (Reasoning) public-lane score: 83.8 (#11/17)

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| INCLUDE | 87.6% | Coming soon | Coming soon |
| MMLU-ProX | Coming soon | 81% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 75.4 (#61/127)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 87.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 65.7 (#2/7)
- Qwen3 235B 2507 (Reasoning) public-lane score: 30.5 (Unranked · 3 rankable rows)

| Benchmark | Claude Opus 4.8 | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 96.7% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 47.241% | 8.481% | Claude Opus 4.8 |
| FrontierMath v2 (Tier 4) | 31.250% | 0.000% | Claude Opus 4.8 |
| AIME 2025 | Coming soon | 92.3% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.8 or Qwen3 235B 2507 (Reasoning)?

Claude Opus 4.8 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.8 and Qwen3 235B 2507 (Reasoning)?

The widest category gap is in mathematics, where the averages are 65.7 for Claude Opus 4.8 and 30.5 for Qwen3 235B 2507 (Reasoning).

### How many benchmarks does Claude Opus 4.8 cover on BenchLM?

Claude Opus 4.8 currently has 40 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3 235B 2507 (Reasoning) cover on BenchLM?

Qwen3 235B 2507 (Reasoning) currently has 10 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.8 vs Qwen3 235B 2507](/compare/claude-opus-4-8-vs-qwen3-235b-2507)
- [Qwen3 235B 2507 (Reasoning) vs Qwen3 235B 2507](/compare/qwen3-235b-2507-vs-qwen3-235b-2507-reasoning)
- [Claude Opus 4.8 vs Claude Opus 5.5](/compare/claude-opus-4-8-vs-claude-opus-5-5)
- [Qwen3 235B 2507 (Reasoning) vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-235b-2507-reasoning)

## Explore More

- [Claude Opus 4.8 profile](/models/claude-opus-4-8)
- [Qwen3 235B 2507 (Reasoning) profile](/models/qwen3-235b-2507-reasoning)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)