Comparing 2 models

Gemini 3.1 Pro Preview vs Gemini 3.7 Flash

Benchmarks through

Verdict

Gemini 3.7 Flash places higher on 10 of the 10 tasks where both are ranked. Gemini 3.7 Flash costs 2.7x less per input token.

  • Choose Gemini 3.7 Flash for Creative Writing (#2), Fast Summaries (#2), Marketing Copy (#2).

Built from the published task rankings below; ranks come from each task's own weighted benchmarks, so a win on one task says nothing about another.

metric
Model 1Gemini 3.1 Pro Preview
Model 2Gemini 3.7 Flash
Best for
Business Writing (#3)
Business Writing (#2)
Provider
google
google
Context
1.0MBest
1.0MBest
Input / 1M
$2
$0.75Best
Output / 1M
$12
$3.75Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
—
—
Released
Feb 18, 2026
Aug 13, 2026

Measured head to head

Benchmarks both models were run on

EvaluationGemini 3.1 Pro PreviewGemini 3.7 FlashSource
Design Arena Coding1233 Elo1311 Elosource · 2026-10-16
Design Arena Full-stack Agent1068 Elo1209 Elosource · 2026-10-14
Design Arena UI1226 Elo1301 Elosource · 2026-10-16
Design Arena Web-app Agent1119 Elo1215 Elosource · 2026-10-14
Design Arena Website1235 Elo1306 Elosource · 2026-10-16
FACTS Grounding65.7%75.5%source · 2026-10-16
FrontierMath Tiers 1-3 (Epoch AI)59.6% ± 2.971.6% ± 2.7source · 2026-06-11
GPQA Diamond (Epoch AI)94.4% ± 1.694.8% ± 1.3source · 2026-08-06
GPQA Diamond (Epoch AI)94.1% ± 1.794.8% ± 1.3source · 2026-02-20
LiveBench Agentic Coding44.1%58.3%source · 2026-10-16
LiveBench Coding76.5%78.9%source · 2026-10-16
LiveBench Data Analysis78.5%68.0%source · 2026-10-16
LiveBench Instruction Following79.1%79.9%source · 2026-10-16
LiveBench Language85.4%85.5%source · 2026-10-16
LiveBench Math91.0%93.5%source · 2026-10-16
LiveBench Reasoning84%87.8%source · 2026-10-16
LMArena Agent-3.5-0.4source · 2026-10-14
LMArena Agent Bash Recovery-23.3-5.4source · 2026-10-08
LMArena Agent Steerability-6.2-3.2source · 2026-10-14
LMArena Agent Task Outcome-10.1-0.8source · 2026-10-14
LMArena Agent Tool Hallucination-0.20.4source · 2026-10-14
LMArena Creative Writing1482 Elo1489 Elosource · 2026-10-15
LMArena Instruction Following1466 Elo1484 Elosource · 2026-10-15
LMArena Long Query1483 Elo1492 Elosource · 2026-10-15
LMArena Math1485 Elo1510 Elosource · 2026-10-15
LMArena Text1487 Elo1488 Elosource · 2026-10-15
LMArena Text Factuality1472 Elo1475 Elosource · 2026-10-15
LMArena Vision1280 Elo1297 Elosource · 2026-10-09
LMArena Vision Diagrams1309 Elo1321 Elosource · 2026-10-09
LMArena Vision OCR1294 Elo1311 Elosource · 2026-10-09
LMArena WebDev1447 Elo1590 Elosource · 2026-10-13
LMArena WebDev Image-to-Web1481 Elo1603 Elosource · 2026-10-09
OTIS Mock AIME (Epoch AI)95.6% ± 3.197.2% ± 1.9source · 2026-08-06
OTIS Mock AIME (Epoch AI)95.6% ± 3.197.2% ± 1.9source · 2026-02-20
SimpleQA Verified (Epoch AI)73.5% ± 1.469.2% ± 1.5source · 2026-08-10

Values are as published by each evaluator, in its own units; rows from different evaluators are not on a common scale.