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

Home/Compare/Claude 2 vs Grok‑1.5

Claude 2 vs Grok‑1.5

Anthropic Claude 2 vs xAI Grok‑1.5 — side-by-side specs.

Anthropic
Claude 2
xAI
Grok‑1.5
Overview
CompanyAnthropicxAI
Release dateJul 11 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 gapClaude 2 shipped 262 days before Grok‑1.5

Which is better: Claude 2 or Grok‑1.5?

Claude 2 and Grok‑1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Claude 2 shipped 262 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 Claude 2 released?
Claude 2 was released by Anthropic on Jul 11 2023.
When was Grok‑1.5 released?
Grok‑1.5 was released by xAI on Mar 29 2024.

Other comparisons