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

Claude 3.7 Sonnet vs Gemini 3.1 Flash-Lite

Anthropic
Claude 3.7 Sonnet
Google
Gemini 3.1 Flash-Lite
Overview
CompanyAnthropicGoogle
Release dateFeb 24 2025Mar 3 2026
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
49%Best
11%
Coding
SWE-Bench Verified
62.3%
Science
GPQA Diamond
68%
Timeline
Release gapClaude 3.7 Sonnet shipped 372 days before Gemini 3.1 Flash-Lite

Which is better: Claude 3.7 Sonnet or Gemini 3.1 Flash-Lite?

Claude 3.7 Sonnet leads Gemini 3.1 Flash-Lite on 1 of the 1 benchmark they both report (BullshitBench v2). Claude 3.7 Sonnet shipped 372 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.

On BullshitBench v2, Claude 3.7 Sonnet leads at 49% vs Gemini 3.1 Flash-Lite at 11%.

Frequently asked questions

Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.

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

Other comparisons