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Claude Sonnet 4 vs Gemini 1.5 Flash-002

Anthropic Claude Sonnet 4 vs Google Gemini 1.5 Flash-002 — side-by-side specs.

Anthropic
Claude Sonnet 4
Google
Gemini 1.5 Flash-002
Overview
CompanyAnthropicGoogle
Release dateMay 22 2025Sep 24 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Coding
SWE-Bench Verified
72.7%
Science
GPQA Diamond
75.4%
Timeline
Release gapGemini 1.5 Flash-002 shipped 240 days before Claude Sonnet 4

Which is better: Claude Sonnet 4 or Gemini 1.5 Flash-002?

Claude Sonnet 4 and Gemini 1.5 Flash-002 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash-002 shipped 240 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 1.5 Flash-002 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 1.5 Flash-002 released?
Gemini 1.5 Flash-002 was released by Google on Sep 24 2024.

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