ModelClockBETA
Monitoring activeLast check 09:53 UTC
YOUR MODEL OPERATIONS, IN VIEW

Stay ahead of LongCat model shutdowns.

Releases, retirements, and the deadlines that affect your stack.

NewIs your model being retired? Look it upUse it in Claude Code or Cursor (MCP)

138 monitored routes · Official public sources

Track the models you actually use.

Build a local watchlist to see changes that affect your application.

NEXT SHUTDOWN
1day to prepare
Oct 24, 2026
Published deadline

Next 3 model shutdowns

Select a model to review its notice and affected scope.
Perplexity Agent · LLM
Perplexity Agent · LLM
Perplexity Agent · LLM
UPCOMING SHUTDOWNS220 noticeswith an exact published date
DEPRECATED, NO DATE31 noticesremoval date not published
SOURCES FETCHED1823 / 1882

Change activity

Published announcements · Jan 2026 – Dec 2026

JanFebMarAprMayJunJulAugSepOctNovDec

951 dated notices on 198 days · through Oct 23, 2026

ReleaseShutdown scheduledShut downDeprecatedUpdates / otherMixed changesFuture

Mixed days use a separate shade; hover for the counts or select a day to explore its notices. Undated announcements stay in the feed; empty days do not imply complete coverage.

Latest model changes

7

Tracking since Jan 1, 2026 · recent announcements and deadlines from that date onward.

Early signals & rumors 14

1542 published notices · 4,937 observations preserved in the archive. Older, undated, or unsupported claims can be hidden.

Release announcedLLMAnnounced Sep 25, 2026

LongCat announced this model on 2026-09-25.

official source
Release announcedLLMAnnounced Jun 30, 2026

LongCat announced this model on 2026-06-30.

official source
Capability changeLLMAnnounced May 29, 2026

LongCat documents a capability change: “Please migrate your models according to your needs.You are welcome to apply for access to LongCat-2.0-Preview — a limited number of beta slots are released…”

official source
Release announcedLLMAnnounced Apr 20, 2026

LongCat announced this model on 2026-04-20.

official source
Release announcedLLMAnnounced Mar 11, 2026

LongCat announced this model on 2026-03-11.

official source
Release announcedLLMAnnounced Feb 5, 2026

LongCat announced this model on 2026-02-05.

official source
Release announcedLLMAnnounced Jan 14, 2026

LongCat announced this model on 2026-01-14.

official source

Early signals & rumors 14

Reports of what might be next, with the original source attached.

Unconfirmed reports
Checked Oct 23, 07:57 AM UTC
  1. Community reportAnthropic

    Kvleak：my Claude Code cache hit was 95%,fifth of input spend leaked

    github.com · via Hacker NewsHN discussion
  2. Community reportMeta

    WhatsApp Help Pages Leaked Hidden Instructions for a Meta Chatbot

    wired.com · via Hacker NewsHN discussion
  3. Unidentified modelIdentity unknown

    RSIArena (RSI Arena)

    huggingface.co · via web search
  4. Unidentified modelIdentity unknown

    Unknown identities of 14 privately tested Chatbot Arena models

    emergentmind.com · via web search
  5. Unidentified modelmona-lisa-1Identity unknown

    Mona Lisa 1 on Arena: OpenAI's Next GPT Image Model? | Payload Website Template

    cms.orcarouter.ai · via web search
  6. Rumored modelFable 5.5Anthropic

    Fable 5.5 Film, a Robot That Learns and 3 Free AI Tested

    ruocco.it · via web search
Showing 6 of 11 topics · 14 reports

Unconfirmed reports stay separate from official notices, countdowns and feeds.

Every lifecycle claim has a source.

Dates come from official notices. Missing dates stay missing.

All LongCat models (6)

LongCat

LongCat-2.0 · LongCat-2.0-Preview · LongCat-2.5-Preview · LongCat-Flash-Lite · LongCat-Flash-Omni-2603 · LongCat-Flash-Thinking-2601

LongCat questions

When is the next LongCat model shutdown?

LongCat has no upcoming shutdown with an exact published date. ModelClock rechecks LongCat's official pages on every collection and alerts when one is announced.

Where do these LongCat dates come from?

Only from LongCat's own documentation: ModelClock tracks 7 official notices for LongCat models, each quoted with a link to its source.

How do I get alerted before a LongCat model shuts down?

Subscribe for free alerts to Slack, Discord or a webhook, with reminders before each shutdown date. No account is needed.