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Model comparison

Claude 3.5 Sonnet vs Qwen3 235B 2507

Data verified

Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.

47.74/100
Margin
8.3pts
winning →
56.02/100
0 category wins1 category wins

Public leaderboard positions: Claude 3.5 Sonnet #132 (Estimated); Qwen3 235B 2507 #78 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 3.5 Sonnet and Qwen3 235B 2507 share 1 comparable benchmark result. 1 of 8 categories are comparable. 3 results are unique to Claude 3.5 Sonnet; 3 to Qwen3 235B 2507.

Updated July 20, 2026
Shared results
1
Claude 3.5 Sonnet only
3
Qwen3 235B 2507 only
3
Comparable categories
1 / 8

Pick Qwen3 235B 2507 if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if 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 is clearly ahead on the BenchAlign aggregate, 56.02 to 47.74. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Qwen3 235B 2507's sharpest advantage is in knowledge, where it averages 78.9 against 59.4. The single biggest benchmark swing on the page is GPQA, 59.4% to 77.5%.

Claude 3.5 Sonnet 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 3.5 Sonnet 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 scores and score margins for Claude 3.5 Sonnet and Qwen3 235B 2507
CategoryClaude 3.5 SonnetΔQwen3 235B 2507
KnowledgeClaude 3.5 Sonnet59.4Margin 19.5Qwen3 235B 250778.9
CodingClaude 3.5 Sonnet49.0MarginNo overlapQwen3 235B 2507Not measured
MathClaude 3.5 Sonnet1.6MarginNo overlapQwen3 235B 2507Not measured
MultilingualClaude 3.5 SonnetNot measuredMarginNo overlapQwen3 235B 250779.4

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Claude 3.5 SonnetB · Qwen3 235B 2507
  1. GPQA

    Knowledge
    Source ↗
    A 59.4%B 77.5%
    Winner: Qwen3 235B 2507Δ 18.1
    GPQA: Claude 3.5 Sonnet scored 59.4%; Qwen3 235B 2507 scored 77.5%. Qwen3 235B 2507 wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricClaude 3.5 SonnetQwen3 235B 2507Comparison
Input / output priceUSD per 1M tokensClaude 3.5 Sonnet$3 input / $15 outputQwen3 235B 2507$0 input / $0 outputQwen3 235B 2507 has the lower combined listed price.
Generation speedtokens per secondClaude 3.5 SonnetNot availableQwen3 235B 2507Not availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude 3.5 SonnetNot availableQwen3 235B 2507Not availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude 3.5 Sonnet200KQwen3 235B 2507128KClaude 3.5 Sonnet lists the larger context window.

Benchmark Deep Dive

Coding
BenchmarkClaude 3.5 SonnetQwen3 235B 2507Result
SWE-bench VerifiedSource 49%Not comparable
KnowledgeQwen3 235B 2507 wins
BenchmarkClaude 3.5 SonnetQwen3 235B 2507Result
GPQASource 59.4%77.5%Qwen3 235B 2507 leads
SuperGPQASource 62.6%Not comparable
MMLU-ProSource 83%Not comparable
Math
BenchmarkClaude 3.5 SonnetQwen3 235B 2507Result
FrontierMath v2 (Tiers 1-3)Source 2.069%Not comparable
FrontierMath v2 (Tier 4)Source 0.000%Not comparable
Multilingual
BenchmarkClaude 3.5 SonnetQwen3 235B 2507Result
MMLU-ProXSource 79.4%Not comparable
Frequently Asked Questions (2)

Which is better, Claude 3.5 Sonnet or Qwen3 235B 2507?

Qwen3 235B 2507 is ahead on BenchLM's BenchAlign leaderboard, 56.02 to 47.74. The biggest single separator in this matchup is GPQA, where the scores are 59.4% and 77.5%.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Qwen3 235B 2507?

Qwen3 235B 2507 has the edge for knowledge tasks in this comparison, averaging 78.9 versus 59.4. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 20, 2026

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