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How smart is Gemini 3.1 Flash-Lite?

109 SI-IQ · 90% interval 105–114
Not ranked: results from fewer than 5 benchmarks; results in fewer than 3 areas; results from fewer than 2 evaluators

Gemini 3.1 Flash-Lite is a model from Google, released on Mar 3, 2026. Its SI-IQ is 109 (90% interval 105–114), estimated from 3 benchmark results by 1 evaluator.

Data as of Oct 18, 2026 · method 1.0.0

A model is ranked when its results come from at least 5 benchmarks (the two GPQA Diamond runs count as one) in at least 3 areas, from at least 2 different evaluators, and its versions are released no more than 60 days apart. This model does not meet that yet (results from fewer than 5 benchmarks; results in fewer than 3 areas; results from fewer than 2 evaluators). Its provisional estimate rests on 3 benchmark results and can change a lot when more results arrive.

Facts

Developer
Google
Released
Mar 3, 2026
Access
API access
Benchmarks used
3 benchmark results from 1 evaluator
API price
$0.25 input / $1.50 output per 1M tokens (developer's price list, Oct 18, 2026)
Context window
1,048,576 tokens

Ability by area (SI-IQ, 90% interval)

6080100120140160Math109

Every benchmark result we used

Each score is one value exactly as the source published it: for Epoch AI the best of its run settings, for OpenRouter the median hosting provider (the developer's own hosting when it ran the test). “Implied SI-IQ” is the ability that this single result points to; the overall SI-IQ is their precision-weighted average.

Benchmark Area Score Implied SI-IQ Evaluated by As listed by the source Retrieved Source
FrontierMath Tiers 1–3 Math 27.7% 110 Epoch AI gemini-3.1-flash-lite_high Oct 18, 2026 Epoch AI Benchmarking Hub · data file
OTIS Mock AIME 2024–2025 Math 80.0% 108 Epoch AI gemini-3.1-flash-lite_high Oct 18, 2026 Epoch AI Benchmarking Hub · data file
GPQA Diamond Knowledge 81.8% 110 Epoch AI gemini-3.1-flash-lite_high Oct 18, 2026 Epoch AI Benchmarking Hub · data file

Computed with SI-IQ method version 1.0.0. Read the full methodology

Data sources: Epoch AI, ‘Capabilities & benchmarking’ (CC BY 4.0); LiteLLM, model_prices_and_context_window.json (MIT) (licences and changes).