Benchmark Almanac

Gemini 3.8 Flash

Gemini 3.8 Flash ranks first on 5 of the 203 benchmarks it has scores on.

Google DeepMind Released 2 Sep 2026 Family Gemini 3.8 The lab's model card
205
Benchmarks with a score
5
Ranked first, out of five or more models
22
In the top three
Google DeepMind Sep 2026

Gemini 3.8 Flash

Closed weights Mid-size

157.6 #23 of 271
Epoch Capabilities Index
  • Humanity's Last Exam 44.5% #5 /47
  • DeepSWE 73.8% #2 /28
  • Terminal-Bench 4.0 19.1% #17 /23

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
FACTS Multimodal 50.7% #1 of 39 Official leaderboard
LMArena (Elo) 1,496 #9 of 333 Official leaderboard
SEA-HELM 77.3 #2 of 62 Official leaderboard
Extended NYT Connections 97.4% #5 of 97 Official leaderboard
SimpleQA Verified 74.6% #4 of 56 Official leaderboard
FACTS Benchmark Suite 68.5% #3 of 40 Official leaderboard
Humanity's Last Exam 44.5% #5 of 47 Official leaderboard
Global MMLU Lite 95.3% #5 of 43 Official leaderboard
FACTS Parametric 77.3% #7 of 45 Official leaderboard
Creative Writing v3 78.0 #22 of 120 Official leaderboard
FACTS Parametric V2 78.7% #4 of 20 Official leaderboard
Longform Creative Writing (EQ-Bench) 76.8 #25 of 119 Official leaderboard
HLE-Verified 54.9% #2 of 4 Model card
FACTS Grounding v2 68.2% #9 of 15 Official leaderboard
HLE-Diamond 33.3% #13 of 18 Official leaderboard
FACTS Search V2 76.3% #17 of 21 Official leaderboard

Math and science

BenchmarkScoreRankSource
GPQA Diamond 95.4% #4 of 219 Epoch AI
ARC-AGI 98.5% #2 of 92 Official leaderboard
SimpleBench 82.4% #6 of 100 Official leaderboard
DTBench 92.9% #18 of 178 Official leaderboard
OTIS Mock AIME 2024-2025 98.9% #21 of 202 Epoch AI
ARC-AGI-2 89.2% #10 of 95 Official leaderboard
CritPt 18.3% #34 of 160 Epoch AI
BioMysteryBench 88.8% #2 of 8 Model card
Surface Evolver Bench 76.9% #7 of 26 Epoch AI
MysteryMechanism 36.5% #8 of 29 Official leaderboard
Prophet Arena 85.6 #6 of 18 Official leaderboard
xbench-ScienceQA 72.4% #10 of 29 Official leaderboard
FrontierMath Tiers 1-3 v2 68.4% #31 of 89 Epoch AI
ExplorationBench 79% #4 of 10 Official leaderboard
ProofBench 48% #35 of 83 Epoch AI
Leipzig Benchmark 41% #10 of 19 Official leaderboard
Terminal-Bench-Science 12.4% #9 of 17 Official leaderboard
Human Behavior Bench 79.2 #6 of 11 Official leaderboard
Verifying the Verifiers (Project APE CRED benchmark) 79.5% #14 of 23 Official leaderboard
ProofBench v1.1 48% #32 of 51 Official leaderboard
ArXivMath 52.6% #4 of 6 Official leaderboard
LABBench2 86.2% #2 of 3 Model card
FrontierMath Tier 4 v2 21.9% #49 of 71 Epoch AI
LatchBio Capabilities v1.0 37.7% #19 of 27 Official leaderboard
SciUniverse 14.6% #5 of 6 Official leaderboard
FrontierMath Erdős 0% #13 of 14 Epoch AI
FrontierPhysics 0% #19 of 19 Official leaderboard
BrokenArXiv 25% #6 of 6 Official leaderboard

Coding

BenchmarkScoreRankSource
WeirdML 84.8% #8 of 112 Official leaderboard
DeepSWE 73.8% #2 of 28 Official leaderboard
StructEval 80.6% #2 of 28 Official leaderboard
SWE Atlas Test Writing 53.7% #4 of 22 Official leaderboard
WebDev Arena 1,568 #27 of 105 Epoch AI
Code Arena 1,583 #32 of 124 Official leaderboard
Vibe Code Bench 78.7% #31 of 115 Official leaderboard
SWE Atlas 47% #6 of 22 Official leaderboard
ALE-Bench 1,270 #36 of 121 Epoch AI
Image-to-WebDev Arena 1,593 #18 of 55 Official leaderboard
SWE Atlas Refactoring 44.8% #7 of 17 Official leaderboard
IOI v2 (Vals) 56.9% #20 of 45 Official leaderboard
Code Migration 36.5% #36 of 78 Official leaderboard
Next.js Agent Evals 90% #7 of 14 Official leaderboard
Vibe Code Bench 1-100 18.8% #14 of 26 Official leaderboard
FrontierCode 41.2% #25 of 46 Epoch AI
ScarfBench 66% #6 of 10 Official leaderboard
MirrorCode 38.9% #18 of 28 Epoch AI
AutoResearchExam 0.48 #6 of 9 Official leaderboard
Vals RSI Index 0.20 #17 of 25 Official leaderboard
WeirdML v3 7.38% #18 of 25 Official leaderboard
SWE-Bench Pro V2 94.9% #12 of 16 Official leaderboard
Code Migration v1.1 38.6% #22 of 29 Official leaderboard
FrontierSWE 19.6% #16 of 21 Epoch AI
RSI-Exam 34.1% #14 of 18 Official leaderboard
CursorBench 39.6% #15 of 19 Epoch AI
SWE-Bench Pro V2 Hard 58.8% #13 of 16 Official leaderboard
ViBench 2.0 0% #8 of 9 Official leaderboard
OpenDesign Arena 68.9 #17 of 19 Official leaderboard
Android Bench 2.0 8.00% #10 of 11 Official leaderboard
Web Clone Bench 1.00% #9 of 9 Official leaderboard
DeepRSI 643 #7 of 7 Official leaderboard

Agents and tools

BenchmarkScoreRankSource
Game Arena Chess 1,453 #1 of 39 Official leaderboard
Game Arena Dark Hex 612 #1 of 38 Official leaderboard
LLM Chess 1,546 #6 of 124 Official leaderboard
Game Arena Checkers 1,233 #2 of 38 Official leaderboard
Game Arena Four in a Row 691 #2 of 38 Official leaderboard
Game Arena Reversi 943 #2 of 36 Official leaderboard
Game Arena Coin Game 488 #2 of 35 Official leaderboard
Terminal-Bench 2.1 89.4% #5 of 53 Model card
Kaggle Game Arena 429 #5 of 39 Official leaderboard
Chess Puzzles 58% #12 of 83 Epoch AI
Game Arena Word Art 1,389 #6 of 35 Official leaderboard
Mystery Game Puzzles 47% #15 of 80 Epoch AI
Game Arena Clobber 478 #7 of 36 Official leaderboard
Game Arena Word Association 338 #7 of 36 Official leaderboard
ARC-AGI-3 35% #5 of 24 Official leaderboard
Game Arena Dots and Boxes 1,028 #8 of 37 Official leaderboard
Game Arena Go 1,217 #8 of 36 Official leaderboard
Game Arena Nine Men's Morris 779 #10 of 36 Official leaderboard
ApprenticeBench 24% #6 of 18 Official leaderboard
Game Arena Poker 4.68 #11 of 31 Official leaderboard
Agent Arena 0.03 #19 of 53 Official leaderboard
Game Arena Bargaining 214 #13 of 36 Official leaderboard
Game Arena Ultimate Tic-Tac-Toe 380 #13 of 36 Official leaderboard
Game Arena Lines of Action 549 #15 of 36 Official leaderboard
Time Horizon Index: KSP 18.8% #7 of 13 Official leaderboard
OSWorld 2.0 59% #11 of 19 Model card
WitnessBench 6.70% #7 of 12 Official leaderboard
Long-Horizon-Terminal-Bench 2.0 47.4% #9 of 15 Official leaderboard
Terminal-Bench 4.0 19.1% #17 of 23 Official leaderboard
Hermes Bench 62.2% #15 of 17 Official leaderboard
CUA-bench 4.17% #9 of 9 Official leaderboard

Professional work

BenchmarkScoreRankSource
Vals Finance Agent v2 61.4% #2 of 80 Official leaderboard
LegalBench 87% #8 of 138 Official leaderboard
Excel Modeling Benchmark 72.2% #8 of 76 Official leaderboard
FailureSensorIQ 69% #3 of 24 Official leaderboard
Vals Finance Agent v2.1 65.8% #6 of 35 Official leaderboard
APEX-Agents 64.3% #12 of 56 Epoch AI
Excel Modeling Benchmark v1.1 72.9% #8 of 37 Official leaderboard
Legora BAR 103.0 #4 of 17 Official leaderboard
Harvey LAB (Legal Agent Benchmark) 10% #19 of 80 Official leaderboard
Tax Agent Bench 32.1% #21 of 79 Official leaderboard
TaxEval v2 74.5% #36 of 129 Official leaderboard
Vals Finance Index 60.5% #10 of 35 Official leaderboard
RCM-Bench-1 90.2% #6 of 20 Official leaderboard
OR-License 82.6% #3 of 10 Official leaderboard
TaxCalcBench v2 61% #8 of 26 Official leaderboard
MedCode 48.1% #30 of 96 Official leaderboard
FrontierFinance 50% #5 of 16 Official leaderboard
PRBench 48.9% #15 of 44 Official leaderboard
MedScribe 84.5% #34 of 98 Official leaderboard
Legal Research Bench 38.9% #34 of 88 Official leaderboard
PolicyBench 85.6% #21 of 50 Official leaderboard
Public Benefits Bench 65.3% #22 of 50 Official leaderboard
Physical-Engineering's Last Exam 0.28 #8 of 18 Official leaderboard
Parametric CAD Bench 36.2% #5 of 11 Official leaderboard
Remote Labor Index 5.83% #8 of 17 Official leaderboard
MortgageTax 65.3% #41 of 86 Official leaderboard
Harvey LAB v1.1 (HLAB-Vals-1.1) 12.1% #16 of 33 Official leaderboard
Vals Legal Index 69.8% #16 of 33 Official leaderboard
EEBench 55.4% #13 of 26 Official leaderboard
GDPval-AA v2 1,545 #13 of 26 Model card
CAD Arena 0.41 #6 of 12 Official leaderboard
Vending-Bench 2 $5,094 #34 of 66 Official leaderboard
Clipping Bench $596 #10 of 19 Official leaderboard
Quant-Arena 43.0 #5 of 9 Official leaderboard
Vals Index v2.2 56% #18 of 32 Official leaderboard
Build-A-Chip-Bench 0.80% #3 of 5 Official leaderboard
Ivo-micro1 ContractBench 55% #5 of 7 Official leaderboard
LegalReasonBench 39.6% #6 of 8 Official leaderboard
Immigration Bench 63.4% #19 of 24 Official leaderboard
Thrive Holdings helpdesk ticket resolution benchmark 36.5% #12 of 15 Official leaderboard
BlenderWorld 34.2 #12 of 13 Official leaderboard
RealmPathology 66.3% #13 of 13 Official leaderboard
PharmaBench (micro1) 5.60% #12 of 12 Official leaderboard
MissionReport 54.3% #9 of 9 Official leaderboard
Short Form Bench $1,940 #9 of 9 Official leaderboard
micro1 Medical Index 60% #8 of 8 Official leaderboard
Epoch Automation Reports 42.3% #6 of 6 Official leaderboard

Vision, audio and robotics

BenchmarkScoreRankSource
Audio MC 60.4% #1 of 16 Official leaderboard
Vision Arena 1,291 #10 of 136 Official leaderboard
LVBench 87.8% #2 of 25 Model card
GeoBench 86% #4 of 48 Official leaderboard
1H-VideoQA 87.1% #2 of 20 Official leaderboard
ArtifactArena 1,223 #3 of 21 Official leaderboard
ClockBench 66.7% #6 of 37 Official leaderboard
ParseBench 71.5% #7 of 42 Official leaderboard
OmniParseBench 92.9 #1 of 6 Official leaderboard
Humanity's Sixth Sense 41.6% #6 of 29 Official leaderboard
CharXiv 86.2% #16 of 67 Model card
Blueprint-Bench 2 38.6% #9 of 35 Official leaderboard
VoxelBench 1,799 #22 of 56 Official leaderboard
Dual-Arm Sim 38.8 #4 of 10 Official leaderboard
GDP.pdf 23.4% #17 of 39 Epoch AI
RoboDojo-RC Tier 1 36.2% #5 of 9 Official leaderboard
Embodied First Exam 6.14% #4 of 7 Official leaderboard
Furniture Assembly Benchmark 31.7% #25 of 35 Epoch AI
VibeVideoBench 2.80 #8 of 9 Official leaderboard
Code2Video Benchmark 1,440 #18 of 19 Official leaderboard

Safety and security

BenchmarkScoreRankSource
BioSecBench-Refusal 47.4% #5 of 22 Official leaderboard
Human Pathogen Capabilities Test v2 (HPCT v2) 64.4% #18 of 71 Official leaderboard
SRE-Bench 11.1% #11 of 33 Official leaderboard
TxBench-Antibody-Discovery 49% #10 of 28 Official leaderboard
scBench-Long 19.9% #12 of 27 Official leaderboard
BioSecBench-Function 36% #14 of 27 Official leaderboard
SpatialBench-Long 28.6% #14 of 27 Official leaderboard
TxBench-Oligo-Discovery 35.1% #15 of 28 Official leaderboard
TxBench-Preclinical-Pharmacology 54.7% #15 of 28 Official leaderboard
PCT (Polarized Contrastive Pairs) 46.3% #26 of 46 Official leaderboard
DistressBench 70.7% #24 of 42 Official leaderboard
BioSecBench-Surveillance 44.1% #16 of 27 Official leaderboard
EpiBench 21.4% #18 of 27 Official leaderboard
VariantBench 31.4% #18 of 27 Official leaderboard
OncologyBench 13.3% #23 of 30 Official leaderboard
MetagenomicsBench 26.7% #22 of 26 Official leaderboard
CyberBench (Vals) 43.8% #23 of 26 Official leaderboard
CyberBench v1.1 (Vals) 43.8% #39 of 43 Official leaderboard
WellnessBench 47% #11 of 12 Official leaderboard

Other

BenchmarkScoreRankSource
CAIS Vision Capabilities Index 69.9 #6 of 53 Official leaderboard
ACCoRD 77.5 #18 of 150 Official leaderboard
CAIS Text Capabilities Index 50.2 #8 of 66 Official leaderboard
Political Science LLM Benchmark 68.7% #4 of 29 Official leaderboard
LMCA 52.9% #20 of 139 Epoch AI
Conceptual Reasoning Index 65.0 #22 of 149 Official leaderboard
SAGE v1.1 (Vals) 88.2% #8 of 28 Official leaderboard
CAIS Risk Index 49.3 #29 of 65 Official leaderboard
Hermes Index 38.1 #9 of 17 Official leaderboard
Vals Science Index 35.8% #14 of 23 Official leaderboard
LiveBench 59.2% #22 of 28 Official leaderboard
SAGE (Vals) 35.1% #66 of 81 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.