Benchmark Almanac

Gemini 3.5 Flash

Gemini 3.5 Flash ranks first on Toolathlon.

Google DeepMind Released 19 May 2026 Family Gemini 3.5 The lab's model card
147
Benchmarks with a score
1
Ranked first, out of five or more models
6
In the top three
Google DeepMind May 2026

Gemini 3.5 Flash

Closed weights Mid-size

155.0 #40 of 271
Epoch Capabilities Index
  • SWE-bench Verified 79.3% #3 /32
  • MMMU-Pro 83.6% #2 /72
  • DeepSWE 36.1% #25 /28

Where it ranks

Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.

Knowledge and language

BenchmarkScoreRankSource
Wer wird Millionär? LLM Benchmark 433333.0 #3 of 76 Official leaderboard
Global MMLU Lite 95.4% #2 of 43 Official leaderboard
LMArena (Elo) 1,478 #27 of 333 Official leaderboard
SEA-HELM 76.3 #7 of 62 Official leaderboard
SimpleQA Verified 70.4% #8 of 56 Official leaderboard
Extended NYT Connections 92.6% #16 of 97 Official leaderboard
FACTS Parametric 73.5% #9 of 45 Official leaderboard
Longform Creative Writing (EQ-Bench) 71.8 #36 of 119 Official leaderboard
FACTS Multimodal 41.4% #13 of 39 Official leaderboard
FACTS Benchmark Suite 52.9% #16 of 40 Official leaderboard
Judgemark v4 68.8 #16 of 40 Official leaderboard
MRCR v2 77.3% #11 of 27 Model card
Humanity's Last Exam 40.2% #60 of 147 Model card
Document Arena 1,461 #21 of 37 Official leaderboard
BullshitBench V2 20% #88 of 122 Official leaderboard
FACTS Search 62.6% #24 of 31 Official leaderboard
EQ-Bench 4 1,077 #28 of 32 Official leaderboard
FACTS Search V2 64.3% #19 of 21 Official leaderboard
BullshitBench 9.09% #100 of 107 Official leaderboard

Math and science

BenchmarkScoreRankSource
GPQA Diamond 92.8% #22 of 219 Epoch AI
SimpleBench 76.7% #12 of 100 Official leaderboard
DTBench 91.1% #25 of 178 Official leaderboard
FrontierMath 39% #11 of 70 Epoch AI
MathArena (Apex, IMO, USAMO) 32.3% #9 of 47 Official leaderboard
HMMT 2026 95.5% #6 of 31 Official leaderboard
OTIS Mock AIME 2024-2025 95.6% #41 of 202 Epoch AI
ARC-AGI-2 72.1% #24 of 95 Official leaderboard
ARC-AGI 92.5% #26 of 92 Official leaderboard
FrontierMath Tier 4 14.6% #16 of 55 Epoch AI
CritPt 13.1% #50 of 160 Epoch AI
NatureBench 12.2% #7 of 18 Official leaderboard
ProofBench 29% #24 of 59 Official leaderboard
Surface Evolver Bench 58.1% #11 of 26 Epoch AI
FrontierMath Tiers 1-3 v2 62.8% #40 of 89 Epoch AI
FrontierMath Tier 4 v2 26.8% #40 of 71 Epoch AI
AIME 2026 95% #18 of 31 Official leaderboard
BixBench3 42.1 #12 of 20 Official leaderboard
ResearchClawBench 17.9 #15 of 23 Official leaderboard
ProofBench v1.1 31% #35 of 51 Official leaderboard
Verifying the Verifiers (Project APE CRED benchmark) 68.5% #17 of 23 Official leaderboard
ForecastBench 64.1 #64 of 86 Official leaderboard
Project Euler (MathArena) 82% #3 of 4 Official leaderboard

Coding

BenchmarkScoreRankSource
SWE-bench Verified 79.3% #3 of 32 Epoch AI
OpenHands Index 62.6% #7 of 33 Official leaderboard
WeirdML 62.6% #28 of 112 Official leaderboard
WebDev Arena 1,506 #44 of 105 Epoch AI
Code Arena 1,499 #57 of 124 Official leaderboard
AndroidBench 71.1% #15 of 32 Official leaderboard
ALE-Bench 911 #61 of 121 Epoch AI
Vibe Code Bench 48.7% #61 of 115 Official leaderboard
Code Migration 26.8% #45 of 78 Official leaderboard
SWE-Marathon 7.00% #7 of 12 Official leaderboard
SWE-Bench Pro 55.1% #48 of 77 Model card
GBAEval 6.70% #14 of 21 Official leaderboard
Image-to-WebDev Arena 1,504 #38 of 55 Official leaderboard
ProgramBench 0% #20 of 25 Official leaderboard
DeepSWE 36.1% #25 of 28 Official leaderboard
Monthly-SWEBench 29% #11 of 12 Official leaderboard
Senior SWE-Bench 6.32% #22 of 23 Official leaderboard

Agents and tools

BenchmarkScoreRankSource
Toolathlon 56.5% #1 of 50 Official leaderboard
SnakeBench 34 #13 of 183 Official leaderboard
Game Arena Dark Hex 438 #4 of 38 Official leaderboard
Pencil Puzzle Bench 41.9% #6 of 53 Official leaderboard
Game Arena Chess 1,343 #5 of 39 Official leaderboard
MCP Atlas 83.6% #6 of 34 Official leaderboard
LLM Chess 953 #25 of 124 Official leaderboard
LisanBench 4123.0 #28 of 133 Official leaderboard
Game Arena Four in a Row 551 #8 of 38 Official leaderboard
Game Arena Reversi 712 #10 of 36 Official leaderboard
Game Arena Five in a Row 786 #6 of 20 Official leaderboard
AndroidWorld 93.1% #3 of 10 Official leaderboard
Game Arena Word Association 290 #11 of 36 Official leaderboard
Chess Puzzles 45% #28 of 83 Epoch AI
Mystery Game Puzzles 32% #28 of 80 Epoch AI
OSWorld-Verified 78.4% #13 of 37 Model card
CEO-Bench $75,126 #7 of 19 Official leaderboard
Game Arena Word Art 642 #13 of 35 Official leaderboard
Game Arena Coin Game 382 #14 of 35 Official leaderboard
Toolathlon-Verified 67.3% #10 of 25 Official leaderboard
Kaggle Game Arena 321 #18 of 39 Official leaderboard
PinchBench 2.0 74.2% #27 of 57 Official leaderboard
Game Arena Dots and Boxes 904 #19 of 37 Official leaderboard
Game Arena Checkers 920 #20 of 38 Official leaderboard
Game Arena Ultimate Tic-Tac-Toe 263 #20 of 36 Official leaderboard
Terminal-Bench 2.1 76.2% #30 of 53 Model card
Game Arena Go 758 #21 of 36 Official leaderboard
Game Arena Clobber 209 #22 of 36 Official leaderboard
Game Arena Lines of Action 456 #22 of 36 Official leaderboard
SkillsBench 48.2% #13 of 21 Official leaderboard
Game Arena Nine Men's Morris 520 #26 of 36 Official leaderboard
Vals Web Search Index 41.4% #3 of 4 Official leaderboard
GAIA 24.9% #43 of 57 Official leaderboard
Game Arena Bargaining 147 #30 of 36 Official leaderboard
EBR-bench 4.76% #26 of 28 Epoch AI
Game Arena Poker -43.25 #30 of 31 Official leaderboard

Professional work

BenchmarkScoreRankSource
MedCode 55.8% #6 of 96 Official leaderboard
Vals Finance Agent v2 57.9% #13 of 80 Official leaderboard
ProfBench 56% #14 of 72 Official leaderboard
MortgageTax 68.1% #19 of 86 Official leaderboard
GDPval-AA 1,656 #4 of 16 Model card
TaxEval v2 74.4% #37 of 129 Official leaderboard
CorpFin v2 64.7% #36 of 119 Official leaderboard
Excel Modeling Benchmark 63.5% #28 of 76 Official leaderboard
LegalBench 83.6% #52 of 138 Official leaderboard
Vending-Bench 2 $5,396 #31 of 66 Official leaderboard
Legal Research Bench 30.8% #50 of 88 Official leaderboard
Harvey LAB (Legal Agent Benchmark) 2.50% #46 of 80 Official leaderboard
Tax Agent Bench 21.6% #48 of 79 Official leaderboard
Public Benefits Bench 59.5% #33 of 50 Official leaderboard
MedScribe 76.6% #68 of 98 Official leaderboard
E-Commerce Bench 1.90 #14 of 19 Official leaderboard
PolicyBench 79.8% #37 of 50 Official leaderboard
JobBench 31.5% #12 of 16 Official leaderboard
RedlineBench 45.1% #3 of 4 Official leaderboard
EEBench 34.3% #21 of 26 Official leaderboard
$OneMillion-Bench 17% #11 of 13 Official leaderboard
TaxCalcBench v2 2.00% #24 of 26 Official leaderboard
CommerceAgentBench 43% #12 of 13 Official leaderboard
APEX-Agents 27.5% #52 of 56 Epoch AI
Clipping Bench $218 #19 of 19 Official leaderboard

Vision, audio and robotics

BenchmarkScoreRankSource
MMMU-Pro 83.6% #2 of 72 Model card
GeoBench 85% #6 of 48 Official leaderboard
ZeroBench 22% #9 of 66 Official leaderboard
ParseBench 73.4% #6 of 42 Official leaderboard
Vision Arena 1,282 #20 of 136 Official leaderboard
Math Kangaroo 2025 (MathArena) 89.9% #4 of 22 Official leaderboard
1H-VideoQA 80.2% #5 of 20 Official leaderboard
CharXiv 84.2% #19 of 67 Model card
Blueprint-Bench 2 33.6% #12 of 35 Official leaderboard
ClockBench 34.4% #15 of 37 Official leaderboard
Humanity's Sixth Sense 32.6% #12 of 29 Official leaderboard
VoxelBench 1,640 #31 of 56 Official leaderboard
GDP.pdf 14% #31 of 39 Epoch AI
EnigmaEval 25.4% #4 of 5 Official leaderboard

Safety and security

BenchmarkScoreRankSource
Human Pathogen Capabilities Test v2 (HPCT v2) 64.7% #15 of 71 Official leaderboard
DrugDiscoveryBench 50% #9 of 19 Official leaderboard
CyberBench (Vals) 69.3% #13 of 26 Official leaderboard
DistressBench 66.9% #33 of 42 Official leaderboard
PCT (Polarized Contrastive Pairs) 53.4% #38 of 46 Official leaderboard

Other

BenchmarkScoreRankSource
Conceptual Reasoning Index 59.8 #33 of 149 Official leaderboard
SAGE (Vals) 49.9% #18 of 81 Official leaderboard
CAIS Vision Capabilities Index 64.6 #12 of 53 Official leaderboard
LMCA 47.1% #32 of 139 Epoch AI
CAIS Text Capabilities Index 39.1 #20 of 66 Official leaderboard
ACCoRD 66.6 #62 of 150 Official leaderboard
Vals Multimodal Index 62.9% #16 of 33 Official leaderboard
CAIS Risk Index 61.1 #52 of 65 Official leaderboard

Google DeepMind's models over time

Google DeepMind's models in color, against every other model on the Epoch Capabilities Index, by release date.

50 75 100 125 150 175 2023 2024 2025 2026 2027 Gemini 4 Argon Gemini 3.8 Flash Gemini 3.5 Flash-Lite Gemini 3 Flash Gemini 2.5 Flash Gemini 2.5 Flash-Lite Gemma 3 12B 50 75 100 125 150 175 2023 2024 2025 2026 2027 Gemini 4 Argon Gemini 3.5 Flash-Lite

Its launch post

The benchmarks the lab chose to headline, with the scores it gave.

Its system card

Every result in the longer documents the lab published with it. 5 of them aren't in the launch post.