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Gemini 3.1 Flash-Lite vs Grok‑1.5

Google Gemini 3.1 Flash-Lite vs xAI Grok‑1.5 — side-by-side specs.

Google
Gemini 3.1 Flash-Lite
xAI
Grok‑1.5
Overview
CompanyGooglexAI
Release dateMar 3 2026Mar 29 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGrok‑1.5 shipped 704 days before Gemini 3.1 Flash-Lite

Which is better: Gemini 3.1 Flash-Lite or Grok‑1.5?

Gemini 3.1 Flash-Lite and Grok‑1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Grok‑1.5 shipped 704 days before Gemini 3.1 Flash-Lite, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Gemini 3.1 Flash-Lite released?
Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.
When was Grok‑1.5 released?
Grok‑1.5 was released by xAI on Mar 29 2024.

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