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Gemini 3.1 Flash-Lite vs Gemini 3.1 Pro

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Gemini 3.1 Flash-LiteGemini 3.1 Pro
AttributeGemini 3.1 Flash-LiteGoogle · 2 in the newsGemini 3.1 ProGoogle DeepMind · 3 in the news
Scores
Intelligence (ECI)144155
Coding2662
Math72
Reasoning & Knowledge2994
Agentic & Tools1581
Specifications
DeveloperGoogleGoogle DeepMind
FamilyGeminiGemini
ReleasedMar 3, 2026Feb 19, 2026
Parameters
AvailabilityAPI accessAPI access
Context window1M
Price — $/M input$0.25
Price — $/M output$1.50
Inputstext, image, video, file, audio
Outputstext
Benchmarks
APEX13%34%
GPQA Diamond82%94%
Humanity's Last Exam9%46%
SciCode42%
WebDev Arena12481461
WeirdML52%72%
τ²-bench31%
AIME 2024/202596%
ARC-AGI98%
ARC-AGI-277%
FrontierMath37%
FrontierMath Tier 417%
GSO (code optimization)23%
METR task horizon6.4 h
SimpleBench80%
SimpleQA Verified77%
SWE-bench Verified76%
Terminal-Bench80%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.