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

Home/Compare/Claude Sonnet 4 vs Gemini 2.0 Flash

Claude Sonnet 4 vs Gemini 2.0 Flash

Anthropic Claude Sonnet 4 vs Google Gemini 2.0 Flash — side-by-side specs.

Anthropic
Claude Sonnet 4
Google
Gemini 2.0 Flash
Overview
CompanyAnthropicGoogle
Release dateMay 22 2025Jan 30 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Coding
SWE-Bench Verified
72.7%
Science
GPQA Diamond
75.4%
Timeline
Release gapGemini 2.0 Flash shipped 112 days before Claude Sonnet 4

Which is better: Claude Sonnet 4 or Gemini 2.0 Flash?

Claude Sonnet 4 and Gemini 2.0 Flash don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 2.0 Flash shipped 112 days before Claude Sonnet 4, 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 Sonnet 4 and Gemini 2.0 Flash don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude Sonnet 4 released?
Claude Sonnet 4 was released by Anthropic on May 22 2025.
When was Gemini 2.0 Flash released?
Gemini 2.0 Flash was released by Google on Jan 30 2025.

Other comparisons