Gemini 3.6 Flash vs Gemini 3 Pro

  • Gemini 3.6 Flash and Gemini 3 Pro are level on LMArena’s text leaderboard (1480 and 1480).
  • On the 7 Vals AI benchmarks both have taken, Gemini 3.6 Flash wins 6 and Gemini 3 Pro wins 1 (Gemini 3.6 Flash: SWE-bench, Vibe Code Bench, LiveCodeBench).
LMArena text rating over time
14601473148514981510Nov 25Feb 26May 26Jul 26Oct 26
LatestGemini 3.6 Flash 1480Gemini 3 Pro 1480

Side by side

Models (2/6)
  • Gemini 3.6 Flash
  • Gemini 3 Pro
BenchmarkGemini 3.6 FlashGemini 3 Pro
The model
LabGoogleGoogle
Released2026-07-21—
WeightsProprietaryProprietary
Context window1M—
Input, per 1M tokens$0.75—
Output, per 1M tokens$3.75—
LMArena, people’s votes
LMArena TextMillions of people compare two anonymous models side by side and vote for the better answer1480#20 of 3511480#21 of 351
LMArena WebDevPeople ask two anonymous models to build the same web app, try both and vote for the better one1538#49 of 1241440#80 of 124
LMArena VisionSide-by-side votes on prompts that include an image1299#20 of 1461305#16 of 146
LMArena CodingLMArena’s text votes on prompts that ask for code1491#34 of 3461481#55 of 346
LMArena MathLMArena’s text votes on math prompts1507#11 of 3391476#38 of 339
LMArena Creative writingLMArena’s text votes on stories, poems and other creative writing1466#21 of 3491483#13 of 349
LMArena Hard promptsLMArena’s text votes on the hardest prompts1486#25 of 3511480#39 of 351
LMArena Instruction followingLMArena’s text votes on prompts with specific instructions to follow1467#31 of 3511458#43 of 351
Vals AI, coding
SWE-benchReal GitHub issues from open-source projects79.60%#25 of 8576.40%#37 of 85
Vibe Code BenchBuilding complete web apps from a plain-language brief, graded on whether the app works64.00%#50 of 11514.30%#91 of 115
LiveCodeBenchFresh competitive programming problems, collected after models’ training cut-offs to avoid contamination88.08%#8 of 14386.41%#23 of 143
Vals AI, finance
Tax Agent BenchAgentic research into US corporate tax questions18.04%#53 of 76—
Vals AI, law
Legal Research BenchAgentic US legal research25.00%#60 of 85—
Vals AI, medicine
MedCodeAssigning the right medical billing codes from clinical notes53.15%#11 of 10752.20%#14 of 107
MedQAMedical licensing exam questions, measured on accuracy and on robustness to bias—96.03%#8 of 92
Vals AI, reasoning
GPQA DiamondGraduate-level questions in biology, physics and chemistry that experts answer well and search does not93.43%#7 of 13891.67%#19 of 138
MMLU-ProHarder, reasoning-focused multiple choice across 14 subjects, from law to engineering89.28%#13 of 13890.10%#7 of 138
AIMEProblems from the American Invitational Mathematics Examination, a qualifier for the US Math Olympiad—96.68%#4 of 96
MMMUCollege-level questions that need both an image and text88.38%#7 of 9387.51%#14 of 93
Terminal-Bench ScienceExpert-written scientific research workflows, run by an agent in a terminal4.29%#28 of 42—

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Questions

Which is better, Gemini 3.6 Flash or Gemini 3 Pro?

Gemini 3.6 Flash and Gemini 3 Pro are level on LMArena’s text leaderboard (1480 and 1480). On the 7 Vals AI benchmarks both have taken, Gemini 3.6 Flash wins 6 and Gemini 3 Pro wins 1 (Gemini 3.6 Flash: SWE-bench, Vibe Code Bench, LiveCodeBench).

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.