Claude Sonnet 4.5 vs Qwen3.7 Plus Preview
Wins 0 of 8 areas
—
Wins 6 of 8 areas
Coding · Agents · Reasoning · Images and charts · Math · Following instructions
Qwen3.7 Plus Preview is the stronger all-rounder.
Scores updated · 35 tests both models report · How we compare
Where each one wins
Tests won in each of the eight areas we test. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
- CodingWriting and fixing software05Qwen3.7 Plus Preview5 of 7 tests · 2 ties
- ReasoningHard problems that need careful thinking03Qwen3.7 Plus Preview3 of 3 tests
- Images and chartsUnderstanding pictures, charts and video02Qwen3.7 Plus Preview2 of 2 tests
- MathCompetition and research-level math02Qwen3.7 Plus Preview2 of 2 tests
- AgentsCarrying out multi-step tasks on its own23Qwen3.7 Plus Preview3 of 5 tests
- Following instructionsDoing exactly what it is asked01Qwen3.7 Plus Preview1 of 1 test
- FactsGetting facts right instead of making them up11Even1 each
- Long documentsFinding answers in very long texts00Even0 each · 1 tie
Long documents and following instructions rest on a single test each.
What it costs
Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.
Qwen3.7 Plus Preview costs 89% less for the same work.
The biggest differences
The three tests each model wins by the widest margin. Scores are out of 100.
Where Qwen3.7 Plus Preview pulls ahead
- Multi-step tasks using many real software toolsMCP Atlas+29.4points ahead
- Recent programming contest problemsLiveCodeBench v6+25.6points ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+21.4points ahead
Where Claude Sonnet 4.5 pulls ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+10.4points ahead
- Real work tasks from 44 professionsGDPVal+7.1points ahead
- Customer-service tasks in a simulated bankτ-Bench V3 · Banking+7points ahead
Every test, side by side
All 35 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingQwen3.7 Plus Preview
- LiveCodeBench v6Qwen3.7 Plus Preview by 25.66489.6+25.6
- SWE-bench ProQwen3.7 Plus Preview by 1443.657.6+14
- Terminal-Bench HardQwen3.7 Plus Preview by 11.435.647+11.4
- SWE-bench MultilingualQwen3.7 Plus Preview by 8.86775.8+8.8
- Terminal-Bench 2.1Qwen3.7 Plus Preview by 5.255.861+5.2
- SWE-bench Verifiedtie78.277.7tie
- SciCodetie45.746.1tie
AgentsQwen3.7 Plus Preview
- MCP AtlasQwen3.7 Plus Preview by 29.443.873.2+29.4
- OSWorld-VerifiedQwen3.7 Plus Preview by 11.961.473.3+11.9
- GDPValClaude Sonnet 4.5 by 7.120.513.4+7.1
- τ-Bench V3 · BankingClaude Sonnet 4.5 by 724.517.5+7
- Terminal-Bench 4.0Qwen3.7 Plus Preview by 101+1
ReasoningQwen3.7 Plus Preview
- Humanity's Last ExamQwen3.7 Plus Preview by 17.817.835.6+17.8
- CritPtQwen3.7 Plus Preview by 81.19.1+8
- GPQA DiamondQwen3.7 Plus Preview by 6.683.490+6.6
FactsEven
- AA-Omniscience · Non-hallucinationQwen3.7 Plus Preview by 21.450.972.3+21.4
- AA-Omniscience · AccuracyClaude Sonnet 4.5 by 10.432.922.5+10.4
Images and chartsQwen3.7 Plus Preview
- CharXiv (RQ)Qwen3.7 Plus Preview by 18.767.285.9+18.7
- MMMU-ProQwen3.7 Plus Preview by 11.868.780.5+11.8
MathQwen3.7 Plus Preview
- IMOAnswerBenchQwen3.7 Plus Preview by 20.265.886+20.2
- FrontierMath Tiers 1-3 (v2)Qwen3.7 Plus Preview by 10.523.934.4+10.5
Following instructionsQwen3.7 Plus Preview
- IFBenchQwen3.7 Plus Preview by 20.757.378+20.7
Other results12 tests, not counted
Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.
- SimpleVQAQwen3.7 Plus Preview by 24.157.681.7+24.1
- Terminal-Bench 2.0Qwen3.7 Plus Preview by 20.35070.3+20.3
- RealWorldQAQwen3.7 Plus Preview by 16.670.386.9+16.6
- τ²-Bench Telecom (AA run)Qwen3.7 Plus Preview by 14.978.193+14.9
- OmniDocBench 1.5Qwen3.7 Plus Preview by 5.685.891.4+5.6
- AA IntelligenceQwen3.7 Plus Preview by 4.520.725.2+4.5
- Artificial Analysis Coding IndexQwen3.7 Plus Preview by 3.852.155.9+3.8
- AA Agentic IndexQwen3.7 Plus Preview by 2.217.519.7+2.2
- AA-OmniscienceQwen3.7 Plus Preview by 1.2-0.11.1+1.2
- MMLU-ReduxClaude Sonnet 4.5 by 1.195.694.5+1.1
- MMLU-Protie88.288.5tie
- MMMLUtie89.189tie
Questions people ask
Which is better, Claude Sonnet 4.5 or Qwen3.7 Plus Preview?
Qwen3.7 Plus Preview wins six of the eight areas we test: coding, agents, reasoning, images and charts, math and following instructions. Claude Sonnet 4.5 wins none. They are level on facts and long documents.
Which is better for coding?
Qwen3.7 Plus Preview. It wins 5 of the 7 coding tests both models report; Claude Sonnet 4.5 wins none, and 2 are ties.
Which is cheaper?
Claude Sonnet 4.5 costs $3.00 per million input tokens and $15.00 per million output tokens; Qwen3.7 Plus Preview costs $0.40 and $1.60. That makes Qwen3.7 Plus Preview about 89% cheaper for the same work.
How do you compare the two?
We use the 35 benchmark tests both models have published scores on. The verdict counts the 23 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 12 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.