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

Claude 3.5 Sonnet (upgraded) vs Gemma 3

Anthropic
Claude 3.5 Sonnet (upgraded)
Google
Gemma 3
Overview
CompanyAnthropicGoogle
Release dateOct 22 2024Mar 12 2025
AccessProprietaryOpen Weight
Benchmarks
Coding
SWE-Bench Verified
49%
Timeline
Release gapClaude 3.5 Sonnet (upgraded) shipped 141 days before Gemma 3

Which is better: Claude 3.5 Sonnet (upgraded) or Gemma 3?

Claude 3.5 Sonnet (upgraded) and Gemma 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Sonnet (upgraded) shipped 141 days before Gemma 3, so benchmark comparisons should account for the intervening progress.

Claude 3.5 Sonnet (upgraded) is proprietary, while Gemma 3 is open weight.

Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet (upgraded) and Gemma 3 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 3.5 Sonnet (upgraded) was released by Anthropic on Oct 22 2024.

Gemma 3 was released by Google on Mar 12 2025.

Claude 3.5 Sonnet (upgraded) is a proprietary model released by Anthropic. Gemma 3 is an open weight model released by Google.

Other comparisons