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

Claude Opus 4.6 vs Gemma 3

Anthropic
Claude Opus 4.6
Google
Gemma 3
Overview
CompanyAnthropicGoogle
Release dateFeb 5 2026Mar 12 2025
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
87%
Coding
SWE-Bench Verified
80.8%
Next.js coding
Next.js Evals
75%
Web browsing
BrowseComp
83.7%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
53%
Science
GPQA Diamond
91.3%
Community preference
Arena Elo (Text)
1504
Community preference (code)
Arena Elo (Code)
1543
Timeline
Release gapGemma 3 shipped 330 days before Claude Opus 4.6

Which is better: Claude Opus 4.6 or Gemma 3?

Claude Opus 4.6 and Gemma 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 3 shipped 330 days before Claude Opus 4.6, so benchmark comparisons should account for the intervening progress.

Claude Opus 4.6 is proprietary, while Gemma 3 is open weight.

Direct benchmark comparisons are unavailable — Claude Opus 4.6 and Gemma 3 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude Opus 4.6 was released by Anthropic on Feb 5 2026.

Gemma 3 was released by Google on Mar 12 2025.

Claude Opus 4.6 is a proprietary model released by Anthropic. Gemma 3 is an open weight model released by Google.

Other comparisons