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

Claude Sonnet 4 vs Gemma 2

Anthropic
Claude Sonnet 4
Google
Gemma 2
Overview
CompanyAnthropicGoogle
Release dateMay 22 2025Jun 27 2024
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
30%
Coding
SWE-Bench Verified
72.7%
Science
GPQA Diamond
75.4%
Timeline
Release gapGemma 2 shipped 329 days before Claude Sonnet 4

Which is better: Claude Sonnet 4 or Gemma 2?

Claude Sonnet 4 and Gemma 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 2 shipped 329 days before Claude Sonnet 4, so benchmark comparisons should account for the intervening progress.

Claude Sonnet 4 is proprietary, while Gemma 2 is open weight.

Direct benchmark comparisons are unavailable — Claude Sonnet 4 and Gemma 2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude Sonnet 4 was released by Anthropic on May 22 2025.

Gemma 2 was released by Google on Jun 27 2024.

Claude Sonnet 4 is a proprietary model released by Anthropic. Gemma 2 is an open weight model released by Google.

Other comparisons