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

Home/Compare/GPT-4 vs Grok‑1.5

GPT-4 vs Grok‑1.5

OpenAI GPT-4 vs xAI Grok‑1.5 — side-by-side specs.

OpenAI
GPT-4
xAI
Grok‑1.5
Overview
CompanyOpenAIxAI
Release dateMar 14 2023Mar 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 gapGPT-4 shipped 381 days before Grok‑1.5

Which is better: GPT-4 or Grok‑1.5?

GPT-4 and Grok‑1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. GPT-4 shipped 381 days before Grok‑1.5, 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was GPT-4 released?
GPT-4 was released by OpenAI on Mar 14 2023.
When was Grok‑1.5 released?
Grok‑1.5 was released by xAI on Mar 29 2024.

Other comparisons