AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/Bard vs Grok 4 Fast

Bard vs Grok 4 Fast

Google Bard vs xAI Grok 4 Fast — side-by-side specs.

Google
Bard
xAI
Grok 4 Fast
Overview
CompanyGooglexAI
Release dateMar 21 2023Sep 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapBard shipped 895 days before Grok 4 Fast

Which is better: Bard or Grok 4 Fast?

Bard and Grok 4 Fast do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Bard shipped 895 days before Grok 4 Fast, 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 Bard released?
Bard was released by Google on Mar 21 2023.
When was Grok 4 Fast released?
Grok 4 Fast was released by xAI on Sep 2025.

Other comparisons