Product archive

Dates refer to release events, not our crawl or news publication times. Announcement, preview and availability can happen on different days. This is a curated record, not an exhaustive catalogue or a guarantee of the latest version.

Recent documented events

2026-09-30 · Gemini 4 Argon · Preview / limited access
2026-09-29 · GPT-6.1 Sol · Release (see availability)
2026-09-28 · Claude Sonnet 5.5 · Release (see availability)
2026-09-22 · Claude Opus 5.5 · Release (see availability)
2026-09-22 · Claude Haiku 5.5 · Announcement
2026-09-22 · GPT-6 Sol and Luna · Release (see availability)
2026-09-03 · GPT-6 Astra · Release (see availability)
2026-09-02 · Gemini 3.8 Flash · General availability

Compare 2–3 products →

Anthropic

Claude Opus9 documented events Claude Sonnet9 documented events Claude Haiku6 documented events

OpenAI

GPT models21 documented events

Google

Gemini models14 documented events

Coverage still to be documented

Meta, xAI, Mistral, NVIDIA, DeepSeek, Qwen, Kimi / Moonshot, Z.ai, MiniMax, ByteDance Seed

No complete history is claimed for these companies.