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

Claude Sonnet 5 vs Gemma 4

Anthropic
Claude Sonnet 5
Google
Gemma 4
Overview
CompanyAnthropicGoogle
Release dateJun 30 2026Apr 2 2026
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
80%
Agentic coding
SWE-Bench Pro
63.2%
Agentic coding
CursorBench v3.1
61.2%
Agentic terminal coding
Terminal-Bench 2.1
80.4%
Web browsing
BrowseComp
84.7%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
43.2%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
57.4%
Agentic computer use
OSWorld-Verified
81.2%
Knowledge work
GDPval-AA
1618
Community preference (code)
Arena Elo (Code)
1543
Timeline
Release gapGemma 4 shipped 89 days before Claude Sonnet 5

Which is better: Claude Sonnet 5 or Gemma 4?

Claude Sonnet 5 and Gemma 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 4 shipped 89 days before Claude Sonnet 5, so benchmark comparisons should account for the intervening progress.

Claude Sonnet 5 is proprietary, while Gemma 4 is open weight.

Direct benchmark comparisons are unavailable — Claude Sonnet 5 and Gemma 4 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude Sonnet 5 was released by Anthropic on Jun 30 2026.

Gemma 4 was released by Google on Apr 2 2026.

Claude Sonnet 5 is a proprietary model released by Anthropic. Gemma 4 is an open weight model released by Google.

Other comparisons