Gemini 3.5 Flash vs Qwen3.8 Max Preview
Wins 2 of 8 areas
Facts · Images and charts
Wins 5 of 8 areas
Coding · Agents · Reasoning · Math · Long documents
Qwen3.8 Max Preview is the stronger all-rounder.Gemini 3.5 Flash is better at facts.
Both rank among the ten best models we track in following instructions.
Scores updated · 38 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.
- AgentsCarrying out multi-step tasks on its own14Qwen3.8 Max Preview4 of 6 tests · 1 tie
- MathCompetition and research-level math03Qwen3.8 Max Preview3 of 3 tests
- CodingWriting and fixing software24Qwen3.8 Max Preview4 of 6 tests
- ReasoningHard problems that need careful thinking02Qwen3.8 Max Preview2 of 4 tests · 2 ties
- Long documentsFinding answers in very long texts01Qwen3.8 Max Preview1 of 1 test
- FactsGetting facts right instead of making them up21Gemini 3.5 Flash2 of 3 tests
- Images and chartsUnderstanding pictures, charts and video10Gemini 3.5 Flash1 of 2 tests · 1 tie
- Following instructionsDoing exactly what it is asked11Even1 each
Long documents rests on a single test.
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 24% 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+33.4points ahead
- Complex command-line tasks across many fieldsTerminal-Bench 4.0+32.3points ahead
- Real work tasks from 44 professionsGDPVal+23.2points ahead
Where Gemini 3.5 Flash pulls ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+19.7points ahead
- Short factual questions, answered correctlySimpleQA Verified+18.9points ahead
- Programming problems, refreshed regularlyLiveBench · Coding+5.3points ahead
Every test, side by side
All 38 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingQwen3.8 Max Preview
- LMArena · WebDevQwen3.8 Max Preview by 172 rating points15001672+172 rating
- LiveBench · Agentic CodingQwen3.8 Max Preview by 15.74964.7+15.7
- SWE-bench ProQwen3.8 Max Preview by 12.655.167.7+12.6
- Terminal-Bench 2.1Qwen3.8 Max Preview by 10.178.788.8+10.1
- LiveBench · CodingGemini 3.5 Flash by 5.378.272.9+5.3
- SciCodeGemini 3.5 Flash by 1.853.952.1+1.8
AgentsQwen3.8 Max Preview
- Terminal-Bench 4.0Qwen3.8 Max Preview by 32.36.638.9+32.3
- GDPValQwen3.8 Max Preview by 23.235.158.3+23.2
- τ-Bench V3 · BankingQwen3.8 Max Preview by 15.632.247.8+15.6
- OSWorld-VerifiedQwen3.8 Max Preview by 7.778.486.1+7.7
- AA ApexAgentsGemini 3.5 Flash by 4.747.142.4+4.7
- AA IT-Bench SREtie40.340.3tie
ReasoningQwen3.8 Max Preview
- LiveBench · ReasoningQwen3.8 Max Preview by 6.28288.2+6.2
- CritPtQwen3.8 Max Preview by 4.613.117.7+4.6
- GPQA Diamondtie92.292.8tie
- Humanity's Last Examtie42.743.1tie
FactsGemini 3.5 Flash
- AA-Omniscience · Non-hallucinationQwen3.8 Max Preview by 33.437.871.2+33.4
- AA-Omniscience · AccuracyGemini 3.5 Flash by 19.751.431.7+19.7
- SimpleQA VerifiedGemini 3.5 Flash by 18.966.247.3+18.9
Images and chartsGemini 3.5 Flash
- MMMU-ProGemini 3.5 Flash by 1.584.382.8+1.5
- LMArena · Visiontie13101314tie
MathQwen3.8 Max Preview
- FrontierMath Tier 4Qwen3.8 Max Preview by 19.526.846.3+19.5
- FrontierMath Tiers 1-3 (v2)Qwen3.8 Max Preview by 11.962.874.7+11.9
- LiveBench · MathematicsQwen3.8 Max Preview by 3.188.291.3+3.1
Long documentsQwen3.8 Max Preview
- AA-LCRQwen3.8 Max Preview by 773.380.3+7
Following instructionsEven
- IFBenchQwen3.8 Max Preview by 6.576.382.8+6.5
- LiveBench · Instruction FollowingGemini 3.5 Flash by 1.575.674.1+1.5
Other results11 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.
- GDPval-AA v2Qwen3.8 Max Preview by 390 rating points13491739+390 rating
- AA Agentic IndexQwen3.8 Max Preview by 22.327.349.6+22.3
- DeepSWEQwen3.8 Max Preview by 19.63756.6+19.6
- DeepSWE 1.1Qwen3.8 Max Preview by 19.63756.6+19.6
- ToolathlonQwen3.8 Max Preview by 1656.572.5+16
- livebench_data_analysisQwen3.8 Max Preview by 13.564.978.4+13.5
- AA IntelligenceQwen3.8 Max Preview by 12.832.645.4+12.8
- AA-OmniscienceGemini 3.5 Flash by 9.221.212+9.2
- LVBenchQwen3.8 Max Preview by 5.576.381.8+5.5
- livebench_languageGemini 3.5 Flash by 4.984.679.7+4.9
- Artificial Analysis Coding IndexQwen3.8 Max Preview by 1.770.171.8+1.7
Questions people ask
Which is better, Gemini 3.5 Flash or Qwen3.8 Max Preview?
Qwen3.8 Max Preview wins five of the eight areas we test: coding, agents, reasoning, math and long documents. Gemini 3.5 Flash wins facts and images and charts. They are level on following instructions.
Which is better for coding?
Qwen3.8 Max Preview. It wins 4 of the 6 coding tests both models report; Gemini 3.5 Flash wins 2.
Which is cheaper?
Gemini 3.5 Flash costs $1.50 per million input tokens and $9.00 per million output tokens; Qwen3.8 Max Preview costs $2.00 and $6.00. That makes Qwen3.8 Max Preview about 24% cheaper for the same work.
How do you compare the two?
We use the 38 benchmark tests both models have published scores on. The verdict counts the 27 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 11 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.