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

Claude 3.5 Sonnet vs Grok‑1.5

Anthropic
Claude 3.5 Sonnet
SpaceXAI
Grok‑1.5
Overview
CompanyAnthropicSpaceXAI
Release dateJun 20 2024Mar 29 2024
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
45%
Coding
SWE-Bench Verified
33.4%
Science
GPQA Diamond
59.4%
Timeline
Release gapGrok‑1.5 shipped 83 days before Claude 3.5 Sonnet

Which is better: Claude 3.5 Sonnet or Grok‑1.5?

Claude 3.5 Sonnet and Grok‑1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1.5 shipped 83 days before Claude 3.5 Sonnet, 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 — Claude 3.5 Sonnet and Grok‑1.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.

Grok‑1.5 was released by SpaceXAI on Mar 29 2024.

Other comparisons