Claude Opus 4.6 vs Qwen3.7 Plus Preview
Wins 5 of 8 areas
Coding · Agents · Reasoning · Math · Long documents
Wins 2 of 8 areas
Images and charts · Following instructions
Claude Opus 4.6 is the stronger all-rounder.Qwen3.7 Plus Preview is cheaper and better at images and charts.
Scores updated · 43 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 software31Claude Opus 4.63 of 6 tests · 2 ties
- ReasoningHard problems that need careful thinking20Claude Opus 4.62 of 3 tests · 1 tie
- AgentsCarrying out multi-step tasks on its own21Claude Opus 4.62 of 4 tests · 1 tie
- MathCompetition and research-level math21Claude Opus 4.62 of 3 tests
- Long documentsFinding answers in very long texts10Claude Opus 4.61 of 1 test
- Images and chartsUnderstanding pictures, charts and video13Qwen3.7 Plus Preview3 of 4 tests
- Following instructionsDoing exactly what it is asked01Qwen3.7 Plus Preview1 of 1 test
- FactsGetting facts right instead of making them up11Even1 each
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 93% less for the same work.
The biggest differences
The three tests each model wins by the widest margin. Scores are out of 100.
Where Claude Opus 4.6 pulls ahead
- Real work tasks from 44 professionsGDPVal+42.4points ahead
- Unpublished advanced math problemsFrontierMath Tiers 1-3 (v2)+31.6points ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+24.5points ahead
Where Qwen3.7 Plus Preview pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+35.1points ahead
- Follows unfamiliar, precisely checkable instructionsIFBench+24.9points ahead
- Reads and reasons about text in imagesOCRBenchv2+18.7points ahead
Every test, side by side
All 43 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Opus 4.6
- SciCodeClaude Opus 4.6 by 5.851.946.1+5.8
- SWE-bench ProQwen3.7 Plus Preview by 4.253.457.6+4.2
- SWE-bench VerifiedClaude Opus 4.6 by 3.180.877.7+3.1
- SWE-bench MultilingualClaude Opus 4.6 by 277.875.8+2
- LiveCodeBench v6tie88.889.6tie
- Terminal-Bench Hardtie46.247tie
AgentsClaude Opus 4.6
- GDPValClaude Opus 4.6 by 42.455.913.5+42.4
- AA ApexAgentsClaude Opus 4.6 by 10.63322.4+10.6
- MCP AtlasQwen3.7 Plus Preview by 10.562.773.2+10.5
- OSWorld-Verifiedtie72.773.3tie
ReasoningClaude Opus 4.6
- Humanity's Last ExamClaude Opus 4.6 by 4.339.935.6+4.3
- CritPtClaude Opus 4.6 by 3.512.69.1+3.5
- GPQA Diamondtie89.690tie
FactsEven
- AA-Omniscience · Non-hallucinationQwen3.7 Plus Preview by 35.137.272.3+35.1
- AA-Omniscience · AccuracyClaude Opus 4.6 by 24.54722.5+24.5
Images and chartsQwen3.7 Plus Preview
- OCRBenchv2Qwen3.7 Plus Preview by 18.748.467.1+18.7
- CharXiv (RQ)Qwen3.7 Plus Preview by 8.577.485.9+8.5
- MMMU-ProQwen3.7 Plus Preview by 5.175.480.5+5.1
- LMArena · VisionClaude Opus 4.6 by 36 rating points13161280+36 rating
MathClaude Opus 4.6
- FrontierMath Tiers 1-3 (v2)Claude Opus 4.6 by 31.66634.4+31.6
- IMOAnswerBenchQwen3.7 Plus Preview by 10.775.386+10.7
- HMMT Feb. 2026Claude Opus 4.6 by 3.396.292.9+3.3
Following instructionsQwen3.7 Plus Preview
- IFBenchQwen3.7 Plus Preview by 24.953.178+24.9
Other results19 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.
- BabyVisionQwen3.7 Plus Preview by 55.614.870.4+55.6
- AA Agentic IndexClaude Opus 4.6 by 47.967.619.7+47.9
- ERQAQwen3.7 Plus Preview by 2940.869.8+29
- MATH-VisionQwen3.7 Plus Preview by 24.865.590.3+24.8
- ScreenSpot-Pro (No tools)Qwen3.7 Plus Preview by 21.357.779+21.3
- AndroidWorldQwen3.7 Plus Preview by 196281+19
- LVBenchQwen3.7 Plus Preview by 13.26376.2+13.2
- RealWorldQAQwen3.7 Plus Preview by 1373.986.9+13
- AA-OmniscienceClaude Opus 4.6 by 12.613.71.1+12.6
- Apex (Pass@1)Claude Opus 4.6 by 11.834.522.7+11.8
- JobBenchClaude Opus 4.6 by 936.627.6+9
- NL2RepoClaude Opus 4.6 by 8.749.841.1+8.7
- Artificial Analysis Coding IndexQwen3.7 Plus Preview by 7.848.155.9+7.8
- AA IntelligenceClaude Opus 4.6 by 6.731.925.2+6.7
- Terminal-Bench 2.0Qwen3.7 Plus Preview by 4.965.470.3+4.9
- MMMLUClaude Opus 4.6 by 2.191.189+2.1
- MCPMarkQwen3.7 Plus Preview by 256.758.7+2
- τ²-Bench Telecom (AA run)tie92.193tie
- MMLU-Protie89.188.5tie
Questions people ask
Which is better, Claude Opus 4.6 or Qwen3.7 Plus Preview?
Claude Opus 4.6 wins five of the eight areas we test: coding, agents, reasoning, math and long documents. Qwen3.7 Plus Preview wins images and charts and following instructions, and costs 93% less. They are level on facts.
Which is better for coding?
Claude Opus 4.6. It wins 3 of the 6 coding tests both models report; Qwen3.7 Plus Preview wins 1, and 2 are ties.
Which is cheaper?
Claude Opus 4.6 costs $5.00 per million input tokens and $25.00 per million output tokens; Qwen3.7 Plus Preview costs $0.40 and $1.60. That makes Qwen3.7 Plus Preview about 93% cheaper for the same work.
How do you compare the two?
We use the 43 benchmark tests both models have published scores on. The verdict counts the 24 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 19 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.