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

Claude 3 Sonnet vs Gemini 3.1 Flash-Lite

Anthropic
Claude 3 Sonnet
Google
Gemini 3.1 Flash-Lite
Overview
CompanyAnthropicGoogle
Release dateMar 4 2024Mar 3 2026
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
11%
Science
GPQA Diamond
40.4%
Timeline
Release gapClaude 3 Sonnet shipped 729 days before Gemini 3.1 Flash-Lite

Which is better: Claude 3 Sonnet or Gemini 3.1 Flash-Lite?

Claude 3 Sonnet and Gemini 3.1 Flash-Lite don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Sonnet shipped 729 days before Gemini 3.1 Flash-Lite, 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 3 Sonnet and Gemini 3.1 Flash-Lite don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 3 Sonnet was released by Anthropic on Mar 4 2024.

Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.

Other comparisons