GPT-5.2 vs Qwen3.8 Max Preview
Wins 0 of 8 areas
—
Wins 7 of 8 areas
Coding · Agents · Reasoning · Facts · Images and charts · Math · Following instructions
Qwen3.8 Max Preview is the stronger all-rounder.
Scores updated · 34 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.
- ReasoningHard problems that need careful thinking04Qwen3.8 Max Preview4 of 4 tests
- AgentsCarrying out multi-step tasks on its own03Qwen3.8 Max Preview3 of 3 tests
- CodingWriting and fixing software13Qwen3.8 Max Preview3 of 5 tests · 1 tie
- Images and chartsUnderstanding pictures, charts and video02Qwen3.8 Max Preview2 of 2 tests
- Following instructionsDoing exactly what it is asked02Qwen3.8 Max Preview2 of 2 tests
- FactsGetting facts right instead of making them up12Qwen3.8 Max Preview2 of 3 tests
- MathCompetition and research-level math12Qwen3.8 Max Preview2 of 3 tests
- Long documentsFinding answers in very long texts11Even1 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.
Qwen3.8 Max Preview costs 49% less for the same work.
The biggest differences
The three tests each model wins by the widest margin. Scores are out of 100.
Where Qwen3.8 Max Preview pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+52.4points ahead
- Long, multi-file coding tasks in real codebasesSWE-bench Pro+37.8points ahead
- Customer-service tasks in a simulated bankτ-Bench V3 · Banking+36.7points ahead
Where GPT-5.2 pulls ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+12.6points ahead
- Programming problems, refreshed regularlyLiveBench · Coding+3.2points ahead
- Reasons across sets of long documentsAA-LCR+2.4points ahead
Every test, side by side
All 34 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingQwen3.8 Max Preview
- SWE-bench ProQwen3.8 Max Preview by 37.829.967.7+37.8
- LMArena · WebDevQwen3.8 Max Preview by 255 rating points14171672+255 rating
- LiveBench · Agentic CodingQwen3.8 Max Preview by 14.450.364.7+14.4
- LiveBench · CodingGPT-5.2 by 3.276.172.9+3.2
- SciCodetie52.152.1tie
AgentsQwen3.8 Max Preview
- τ-Bench V3 · BankingQwen3.8 Max Preview by 36.711.147.8+36.7
- AA ApexAgentsQwen3.8 Max Preview by 19.42342.4+19.4
- GDPValQwen3.8 Max Preview by 1048.358.3+10
ReasoningQwen3.8 Max Preview
- CritPtQwen3.8 Max Preview by 6.111.617.7+6.1
- Humanity's Last ExamQwen3.8 Max Preview by 5.437.743.1+5.4
- LiveBench · ReasoningQwen3.8 Max Preview by 583.288.2+5
- GPQA DiamondQwen3.8 Max Preview by 2.590.392.8+2.5
FactsQwen3.8 Max Preview
- AA-Omniscience · Non-hallucinationQwen3.8 Max Preview by 52.418.871.2+52.4
- AA-Omniscience · AccuracyGPT-5.2 by 12.644.331.7+12.6
- SimpleQA VerifiedQwen3.8 Max Preview by 10.237.147.3+10.2
Images and chartsQwen3.8 Max Preview
- MMMU-ProQwen3.8 Max Preview by 8.274.682.8+8.2
- LMArena · VisionQwen3.8 Max Preview by 68 rating points12461314+68 rating
MathQwen3.8 Max Preview
- FrontierMath Tier 4Qwen3.8 Max Preview by 14.631.746.3+14.6
- FrontierMath Tiers 1-3 (v2)Qwen3.8 Max Preview by 7.367.474.7+7.3
- LiveBench · MathematicsGPT-5.2 by 1.993.291.3+1.9
Long documentsEven
- LongBench v2Qwen3.8 Max Preview by 11.854.566.3+11.8
- AA-LCRGPT-5.2 by 2.482.780.3+2.4
Following instructionsQwen3.8 Max Preview
- LiveBench · Instruction FollowingQwen3.8 Max Preview by 12.361.874.1+12.3
- IFBenchQwen3.8 Max Preview by 7.475.482.8+7.4
Other results10 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.
- PaperBenchQwen3.8 Max Preview by 29.363.793+29.3
- ToolathlonQwen3.8 Max Preview by 26.246.372.5+26.2
- Artificial Analysis Coding IndexQwen3.8 Max Preview by 23.148.771.8+23.1
- AA IntelligenceQwen3.8 Max Preview by 1530.445.4+15
- AA-OmniscienceQwen3.8 Max Preview by 12.9-0.912+12.9
- HLE (with tools)Qwen3.8 Max Preview by 10.745.556.2+10.7
- AA Agentic IndexGPT-5.2 by 10.660.249.6+10.6
- ScreenSpot-Pro (No tools)GPT-5.2 by 1.886.384.5+1.8
- livebench_data_analysistie78.278.4tie
- livebench_languagetie79.879.7tie
Questions people ask
Which is better, GPT-5.2 or Qwen3.8 Max Preview?
Qwen3.8 Max Preview wins seven of the eight areas we test: coding, agents, reasoning, facts, images and charts, math and following instructions. GPT-5.2 wins none. They are level on long documents.
Which is better for coding?
Qwen3.8 Max Preview. It wins 3 of the 5 coding tests both models report; GPT-5.2 wins 1, and 1 is a tie.
Which is cheaper?
GPT-5.2 costs $1.75 per million input tokens and $14.00 per million output tokens; Qwen3.8 Max Preview costs $2.00 and $6.00. That makes Qwen3.8 Max Preview about 49% cheaper for the same work.
How do you compare the two?
We use the 34 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 10 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.