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

Claude 3 Haiku vs GPT-5.6 Sol

Anthropic
Claude 3 Haiku
OpenAI
GPT-5.6 Sol
Overview
CompanyAnthropicOpenAI
Release dateMar 4 2024Jun 26 2026
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
10%
Science
GPQA Diamond
33.3%
Timeline
Release gapClaude 3 Haiku shipped 844 days before GPT-5.6 Sol

Which is better: Claude 3 Haiku or GPT-5.6 Sol?

Claude 3 Haiku and GPT-5.6 Sol don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Haiku shipped 844 days before GPT-5.6 Sol, 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 Haiku and GPT-5.6 Sol don't publish scores on any of the same benchmarks.

Frequently asked questions

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

GPT-5.6 Sol was released by OpenAI on Jun 26 2026.

Other comparisons