# GPT-5.5 Pro vs Qwen3 235B 2507 (Reasoning)

> Side-by-side benchmark comparison for GPT-5.5 Pro and Qwen3 235B 2507 (Reasoning) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-5-pro-vs-qwen3-235b-2507-reasoning
- Last updated: September 4, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-5.5 Pro and Qwen3 235B 2507 (Reasoning) share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Qwen3 235B 2507 (Reasoning) has the lower published output-token price.
- GPT-5.5 Pro has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-5.5 Pro | Qwen3 235B 2507 (Reasoning) |
|----------|----------|----------|
| Creator | OpenAI | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 128K |
| Independent public score (not head-to-head) | 63.07 | 57.43 |
| Benchmarks Covered | 6 | 2 |
| Pricing (input/output) | $30.00 / $180.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: 60.6 (Estimated · #24/151)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | GPT-5.5 Pro | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | 90.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: 61.1 (Estimated · #36/181)
- Qwen3 235B 2507 (Reasoning) public-lane score: Coming soon

| Benchmark | GPT-5.5 Pro | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| HLE | 57.2% | Coming soon | Coming soon |
| HLE w/o tools | 43.1% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: 70.2 (Unranked · 3 rankable rows)
- Qwen3 235B 2507 (Reasoning) public-lane score: 30.2 (Unranked · 2 rankable rows)

| Benchmark | GPT-5.5 Pro | Qwen3 235B 2507 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | 52.4% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 51.000% | 8.481% | GPT-5.5 Pro |
| FrontierMath v2 (Tier 4) | 39.600% | 0.000% | GPT-5.5 Pro |

## FAQ

### Is there enough evidence to pick between GPT-5.5 Pro and Qwen3 235B 2507 (Reasoning)?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [GPT-5.5 Pro vs GPT-5.5](/compare/gpt-5-5-vs-gpt-5-5-pro)
- [Qwen3 235B 2507 (Reasoning) vs GPT-5.5](/compare/gpt-5-5-vs-qwen3-235b-2507-reasoning)
- [GPT-5.5 Pro vs Qwen3 235B 2507](/compare/gpt-5-5-pro-vs-qwen3-235b-2507)
- [Qwen3 235B 2507 (Reasoning) vs Qwen3 235B 2507](/compare/qwen3-235b-2507-vs-qwen3-235b-2507-reasoning)

## Explore More

- [GPT-5.5 Pro profile](/models/gpt-5-5-pro)
- [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)