GetMyAINews

Compare AI product timelines

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.

Oldest → newest. Columns are event dates; gaps between columns do not represent equal elapsed time. Coverage is curated, not complete.

Product
Anthropic · Claude Sonnet——————Claude Sonnet 5.5Release (see availability)

Improved everyday coding and knowledge work at lower per-task cost.

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OpenAI · GPT modelsGPT-5.6General availability

General availability of Sol/Terra/Luna across ChatGPT, Codex and API; gradual rollout over 24 hours.

———GPT-6 AstraRelease (see availability)

Flagship reasoning and coding; phased rollout beginning with limited organizations, not simultaneous all-plan access.

GPT-6 Sol and LunaRelease (see availability)

Additional faster and lower-cost GPT-6 tiers; distinct from Astra and 6.1 Sol.

—GPT-6.1 SolRelease (see availability)

Improved coding/computer use/professional work; ChatGPT Work, Codex and API at launch, not Chat. API changelog confirms date.

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Google · Gemini models—Gemini 3.6 FlashGeneral availability

Stable production Flash, better coding/knowledge/multimodal efficiency; Lite/Cyber have separate availability.

Gemini 3.7 FlashGeneral availability

GA with improved software engineering, web development and agent workflows.

Gemini 3.8 FlashGeneral availability

Gemini API GA with stronger long-horizon coding; Flash Cyber separately restricted to trusted defenders.

————Gemini 4 ArgonPreview / limited access

Restricted rollout to trusted cyber defenders through Fairwind Program; not publicly or generally available.