Confirmed model releases

AI model release sources

231 confirmed releases59 providersData through Sep 15, 2026How releases are confirmed

The exact source pages cited by the confirmed release record, grouped by provider. Use this directory to inspect where a release date came from before opening the event archive.

What inclusion means

A page appears here because at least one confirmed release cites it. The directory includes provider announcements, changelogs, developer documentation, technical reports, model repositories, and other attributable listings. Inclusion does not mean every page is watched continuously, and it does not turn a third-party listing into an official provider source.

233 cited pages · 231 release events · 59 providers

OpenAI, Anthropic, Google, and DeepSeek sources

These providers lead the current model-list and model-ID directories. Their cited release sources are grouped here before the rest of the archive.

OpenAI

29 cited source pages · 30 confirmed releases

Surface	Check	URL	Establishes
API changelog	ConfirmedHTTP 200	platform.claude.com/docs/en/release-notes/apiCovers the Claude API, SDKs, and Console. Dated entries, newest first.	New models and endpoints Published price changes Retirements and replacements
Machine-readable mirror	ConfirmedHTTP 200	platform.claude.com/docs/en/release-notes/api.mdAppending .md to any docs URL returns Markdown. Diff this instead of scraping HTML.	New models and endpoints Published price changes Retirements and replacements
RSS / Atom feed	None foundHTTP 404	—Requested /rss.xml and /docs/rss.xml on platform.claude.com; both 404. The Markdown mirror is the practical substitute.	—
Deprecations page	ConfirmedHTTP 200	platform.claude.com/docs/en/about-claude/model-deprecationsLifecycle state, retirement dates, and replacements. Also serves .md.	Retirements and replacements
Model-list endpoint	ConfirmedHTTP 401	api.anthropic.com/v1/modelsRequires an x-api-key header. The 401 confirms the endpoint; listing needs a key.	Callable model identifiers New models and endpoints
Model ID documentation	ConfirmedHTTP 200	platform.claude.com/docs/en/about-claude/models/overviewCanonical IDs, aliases, and cloud-platform equivalents.	Callable model identifiers

What inclusion means

OpenAI, Anthropic, Google, and DeepSeek sources

OpenAI

Google

Anthropic

DeepSeek

Sources for every provider in the release record

Alibaba

xAI

LiquidAI

Microsoft

InclusionAI

Tencent

Meta

Cohere

Inception

Mistral

NVIDIA

Sakana AI

Z.AI

Zyphra

Bad Theory Labs

IBM

InternScience

Moonshot AI

Poolside

Prism ML

Upstage

ByteDance

Cognition

Cursor

Deepgram

H Company

Inworld

Meituan

OpenBMB

Thinking Machines Lab

Xiaomi

Amazon

Apodex

Arcee AI

Cartesia

Celeris

DeepReinforce AI

Desert Ant Labs

Dots Studio

Hark

Interfaze

JetBrains

Kakao

Kyutai

LG AI Research

MiniMax

Mixedbread

Multiverse Computing

Ornith AI

Pokee AI

Sarvam

Shanghai Artificial Intelligence Laboratory

SK Telecom

Soofi Project

StepFun

Feeds and change surfaces, per provider

Anthropic