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Gemini 1.5 Flash-8B vs Grok 4.3 Beta

Google Gemini 1.5 Flash-8B vs xAI Grok 4.3 Beta — side-by-side specs.

Google
Gemini 1.5 Flash-8B
xAI
Grok 4.3 Beta
Overview
CompanyGooglexAI
Release dateOct 3 2024Apr 17 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGemini 1.5 Flash-8B shipped 561 days before Grok 4.3 Beta

Which is better: Gemini 1.5 Flash-8B or Grok 4.3 Beta?

Gemini 1.5 Flash-8B and Grok 4.3 Beta do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Gemini 1.5 Flash-8B shipped 561 days before Grok 4.3 Beta, 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 1.5 Flash-8B released?
Gemini 1.5 Flash-8B was released by Google on Oct 3 2024.
When was Grok 4.3 Beta released?
Grok 4.3 Beta was released by xAI on Apr 17 2026.

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