Model comparison
Claude Sonnet 4.5 vs Qwen3 235B 2507
Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude Sonnet 4.5 #96 (Estimated); Qwen3 235B 2507 #78 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Sonnet 4.5 and Qwen3 235B 2507 share 1 comparable benchmark result. 1 of 8 categories are comparable. 11 results are unique to Claude Sonnet 4.5; 3 to Qwen3 235B 2507.
Updated July 22, 2026- Shared results
- 1
- Claude Sonnet 4.5 only
- 11
- Qwen3 235B 2507 only
- 3
- Comparable categories
- 1 / 8
Pick Qwen3 235B 2507 if you want the stronger benchmark profile. Claude Sonnet 4.5 only becomes the better choice if knowledge is the priority or you need the larger 200K context window.
Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Qwen3 235B 2507 has the cleaner BenchAlign overall profile here, landing at 56.02 versus 53.61. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Claude Sonnet 4.5 is also the more expensive model on tokens at $3.00 input / $15.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Qwen3 235B 2507. That is roughly Infinityx on output cost alone. Claude Sonnet 4.5 gives you the larger context window at 200K, compared with 128K for Qwen3 235B 2507.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude Sonnet 4.5 | Δ | Qwen3 235B 2507 |
|---|---|---|---|
| Knowledge | Claude Sonnet 4.583.4 | Margin← 4.5 | Qwen3 235B 250778.9 |
| Agentic | Claude Sonnet 4.555.4 | MarginNo overlap | Qwen3 235B 2507Not measured |
| Coding | Claude Sonnet 4.577.2 | MarginNo overlap | Qwen3 235B 2507Not measured |
| Reasoning | Claude Sonnet 4.513.6 | MarginNo overlap | Qwen3 235B 2507Not measured |
| Math | Claude Sonnet 4.511.2 | MarginNo overlap | Qwen3 235B 2507Not measured |
| Multilingual | Claude Sonnet 4.5Not measured | MarginNo overlap | Qwen3 235B 250779.4 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
GPQA
KnowledgeA 83.4%B 77.5%Winner: Claude Sonnet 4.5Δ 5.9GPQA: Claude Sonnet 4.5 scored 83.4%; Qwen3 235B 2507 scored 77.5%. Claude Sonnet 4.5 wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Sonnet 4.5 | Qwen3 235B 2507 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Sonnet 4.5$3 input / $15 output | Qwen3 235B 2507$0 input / $0 output | Qwen3 235B 2507 has the lower combined listed price. |
| Generation speedtokens per second | Claude Sonnet 4.5Not available | Qwen3 235B 2507Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Sonnet 4.5Not available | Qwen3 235B 2507Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Sonnet 4.5200K | Qwen3 235B 2507128K | Claude Sonnet 4.5 lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding1 benchmarks
| Benchmark | Claude Sonnet 4.5 | Qwen3 235B 2507 | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 77.2% | — | Not comparable |
Reasoning1 benchmarks
| Benchmark | Claude Sonnet 4.5 | Qwen3 235B 2507 | Result |
|---|---|---|---|
| ARC-AGI-2Source | 13.6% | — | Not comparable |
KnowledgeClaude Sonnet 4.5 wins3 benchmarks
Math3 benchmarks
Multilingual1 benchmarks
| Benchmark | Claude Sonnet 4.5 | Qwen3 235B 2507 | Result |
|---|---|---|---|
| MMLU-ProXSource | — | 79.4% | Not comparable |
Multimodal1 benchmarks
| Benchmark | Claude Sonnet 4.5 | Qwen3 235B 2507 | Result |
|---|---|---|---|
| Design Arena WebsiteSource | 1219 | — | Not comparable |
Frequently Asked Questions (2)
Which is better, Claude Sonnet 4.5 or Qwen3 235B 2507?
Qwen3 235B 2507 is ahead on BenchLM's BenchAlign leaderboard, 56.02 to 53.61. The biggest single separator in this matchup is GPQA, where the scores are 83.4% and 77.5%.
Which is better for knowledge tasks, Claude Sonnet 4.5 or Qwen3 235B 2507?
Claude Sonnet 4.5 has the edge for knowledge tasks in this comparison, averaging 83.4 versus 78.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
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