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

Gemini Omni vs Grok 4.5

Google
Gemini Omni
SpaceXAI
Grok 4.5
Overview
CompanyGoogleSpaceXAI
Release dateMay 19 2026Jul 8 2026
AccessProprietaryProprietary
Benchmarks
Agentic coding
SWE-Bench Pro
64.7%
Multilingual coding
SWE-Bench Multilingual
78%
Agentic coding
DeepSWE 1.0
62%
Agentic terminal coding
Terminal-Bench 2.1
83.3%
Timeline
Release gapGemini Omni shipped 50 days before Grok 4.5

Which is better: Gemini Omni or Grok 4.5?

Gemini Omni and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini Omni shipped 50 days before Grok 4.5, 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 — Gemini Omni and Grok 4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini Omni was released by Google on May 19 2026.

Grok 4.5 was released by SpaceXAI on Jul 8 2026.

Other comparisons