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VERSION:2.0
PRODID:-//Cafiyn Pulse//AI API deadlines//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:AI API deadlines (Cafiyn Pulse)
X-WR-CALDESC:Model shutdowns\, read only dates and price changes from OpenA
 I\, Anthropic\, Google and GitHub\, each with a source and the first thing
  to do.
REFRESH-INTERVAL;VALUE=DURATION:PT12H
X-PUBLISHED-TTL:PT12H
BEGIN:VEVENT
UID:openai-2026-10-23@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261023
DTEND;VALUE=DATE:20261024
SUMMARY:OpenAI shutdown: o1\, o1 pro\, o3-mini\, o4-mini\, GPT-4\, GPT-4 Tu
 rbo\, GPT-3.5 Turbo 0125\, GPT-4.1 nano and gpt-image-1 are removed\, with
  their fine tuned versions
DESCRIPTION:Do this: Search your code and config for these model IDs today\
 , switch each to a tested replacement\, and rerun your evals before the da
 te.\nSource: OpenAI\, API deprecations\, https://developers.openai.com/api
 /docs/deprecations\nAnalysis: https://pulse.cafiyn.com/signals/story/opena
 i-october-23-shutdown-replacements
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:google-2026-10-23@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261023
DTEND;VALUE=DATE:20261024
SUMMARY:Google shutdown: The Gemini Deep Research agent deep-research-pro-p
 review-12-2025 shuts down
DESCRIPTION:Do this: Change the agent parameter in your interactions.create
  calls to deep-research-preview-04-2026 or deep-research-max-preview-04-20
 26.\nSource: Google\, Gemini API release notes\, https://ai.google.dev/gem
 ini-api/docs/changelog
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: Google shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2026-10-31@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261031
DTEND;VALUE=DATE:20261101
SUMMARY:OpenAI read only: Existing evals in the OpenAI Evals platform becom
 e read only
DESCRIPTION:Do this: Export your eval definitions and results now\, because
  the dashboard and API shut down on 30 November.\nSource: OpenAI\, API dep
 recations\, https://developers.openai.com/api/docs/deprecations\nAnalysis:
  https://pulse.cafiyn.com/signals/story/openai-deprecation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI read only
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:github-2026-11-16@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261116
DTEND;VALUE=DATE:20261117
SUMMARY:GitHub shutdown: GitHub Copilot removes Claude Opus 4.8\, Claude Op
 us 5 and GPT-5.6 Terra from every Copilot experience
DESCRIPTION:Do this: Move saved workflows and agent configs to Claude Opus 
 5.5\, GPT-6.1 Sol or GPT-6 Luna. Annual individual plans keep Opus 4.8.\nS
 ource: GitHub\, upcoming Copilot model deprecations\, https://github.blog/
 changelog/2026-10-15-upcoming-deprecation-of-selected-github-copilot-model
 s-in-mid-november
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: GitHub shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2026-11-21@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261121
DTEND;VALUE=DATE:20261122
SUMMARY:OpenAI price: GPT-5.6 Sol promotional pricing of $4 input and $20 o
 utput per million tokens is guaranteed only through this date
DESCRIPTION:Do this: Model your bill at the earlier price the page implies\
 , $5 and $30\, until OpenAI says the promotion is permanent.\nSource: Open
 AI\, GPT-5.6 Sol model page\, https://developers.openai.com/api/docs/model
 s/gpt-5.6-sol\nAnalysis: https://pulse.cafiyn.com/signals/story/openai-oct
 ober-23-shutdown-replacements\nThe provider guarantees this only through t
 he date shown\, so treat it as a review date.
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI price
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:anthropic-2026-11-30@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261130
DTEND;VALUE=DATE:20261201
SUMMARY:Anthropic shutdown: Claude Sonnet 4.5 (claude-sonnet-4-5-20250929) 
 is retired on the Claude API
DESCRIPTION:Do this: Switch to claude-sonnet-5-5\, which Anthropic names as
  the replacement\, and check your token counts again because the tokenizer
  changed.\nSource: Anthropic\, model deprecations\, https://platform.claud
 e.com/docs/en/about-claude/model-deprecations\nAnalysis: https://pulse.caf
 iyn.com/signals/story/claude-sonnet-5-5-migration
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: Anthropic shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2026-11-30@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261130
DTEND;VALUE=DATE:20261201
SUMMARY:OpenAI shutdown: Agent Builder\, the Evals dashboard and API\, and 
 the v1/prompts reusable prompts API shut down
DESCRIPTION:Do this: Move prompt text into your own code and replace Agent 
 Builder flows with the Agents SDK before the date.\nSource: OpenAI\, API d
 eprecations\, https://developers.openai.com/api/docs/deprecations\nAnalysi
 s: https://pulse.cafiyn.com/signals/story/openai-deprecation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:google-2026-12-01@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261201
DTEND;VALUE=DATE:20261202
SUMMARY:Google price: Gemini 4 Argon moves from $2 input and $10 output to 
 $4 and $20 per million tokens
DESCRIPTION:Do this: Cost your product at the December price\, not the laun
 ch price.\nSource: Google\, Gemini API pricing\, https://ai.google.dev/gem
 ini-api/docs/pricing\nAnalysis: https://pulse.cafiyn.com/signals/story/gem
 ini-4-argon-december-price-doubling
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: Google price
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2026-12-01@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261201
DTEND;VALUE=DATE:20261202
SUMMARY:OpenAI shutdown: gpt-image-1-mini\, gpt-image-1.5 and chatgpt-image
 -latest are removed
DESCRIPTION:Do this: Move image calls to gpt-image-2.5-sunburst or gpt-imag
 e-2.5-flare\, and compare output quality and cost on your own prompts.\nSo
 urce: OpenAI\, API deprecations\, https://developers.openai.com/api/docs/d
 eprecations\nAnalysis: https://pulse.cafiyn.com/signals/story/openai-depre
 cation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2026-12-11@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20261211
DTEND;VALUE=DATE:20261212
SUMMARY:OpenAI shutdown: Older GPT-5 and o3 snapshots are removed: gpt-5\, 
 gpt-5-mini\, gpt-5-nano\, gpt-5-pro\, o3 and o3-pro
DESCRIPTION:Do this: Pin the replacement OpenAI names for each snapshot and
  run your evals before the date.\nSource: OpenAI\, API deprecations\, http
 s://developers.openai.com/api/docs/deprecations\nAnalysis: https://pulse.c
 afiyn.com/signals/story/openai-deprecation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2027-01-06@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20270106
DTEND;VALUE=DATE:20270107
SUMMARY:OpenAI shutdown: tts-1\, tts-1-hd and both gpt-4o-mini-tts snapshot
 s are removed\, and active customers can no longer create fine tuning jobs
DESCRIPTION:Do this: Move speech output to gpt-realtime-2.1-mini\, and fini
 sh any fine tuning you still need to run.\nSource: OpenAI\, API deprecatio
 ns\, https://developers.openai.com/api/docs/deprecations\nAnalysis: https:
 //pulse.cafiyn.com/signals/story/openai-deprecation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2027-01-14@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20270114
DTEND;VALUE=DATE:20270115
SUMMARY:OpenAI shutdown: GPT-4o\, GPT-4o mini\, GPT-4.1 and GPT-4.1 mini ar
 e removed\, with their fine tuned versions
DESCRIPTION:Do this: Test gpt-6-luna\, the replacement OpenAI names for all
  four\, against your current quality bar.\nSource: OpenAI\, API deprecatio
 ns\, https://developers.openai.com/api/docs/deprecations\nAnalysis: https:
 //pulse.cafiyn.com/signals/story/openai-deprecation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2027-01-20@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:OpenAI shutdown: The older audio and realtime family is removed\, i
 ncluding gpt-realtime\, gpt-audio and their 4o and mini variants
DESCRIPTION:Do this: Move to gpt-realtime-2.1\, gpt-realtime-2.1-mini or gp
 t-audio-1.5\, as OpenAI maps each one.\nSource: OpenAI\, API deprecations\
 , https://developers.openai.com/api/docs/deprecations\nAnalysis: https://p
 ulse.cafiyn.com/signals/story/openai-deprecation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2027-02-26@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20270226
DTEND;VALUE=DATE:20270227
SUMMARY:OpenAI shutdown: whisper-1\, gpt-4o-transcribe\, gpt-4o-mini-transc
 ribe and gpt-4o-transcribe-diarize are removed
DESCRIPTION:Do this: Move transcription to gpt-transcribe or gpt-live-trans
 cribe\, and move translation to v1/realtime/translations.\nSource: OpenAI\
 , API deprecations\, https://developers.openai.com/api/docs/deprecations\n
 Analysis: https://pulse.cafiyn.com/signals/story/whisper-deprecation-migra
 tion
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:openai-2027-04-01@pulse.cafiyn.com
DTSTAMP:20261019T000000Z
DTSTART;VALUE=DATE:20270401
DTEND;VALUE=DATE:20270402
SUMMARY:OpenAI shutdown: gpt-5.3-codex\, gpt-5.1 and gpt-5.4-nano are remov
 ed
DESCRIPTION:Do this: Plan the move to gpt-6-sol for the first two and gpt-6
 -luna for gpt-5.4-nano.\nSource: OpenAI\, API deprecations\, https://devel
 opers.openai.com/api/docs/deprecations\nAnalysis: https://pulse.cafiyn.com
 /signals/story/openai-deprecation-calendar-2026
URL:https://pulse.cafiyn.com/signals/deadlines
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:In one week: OpenAI shutdown
TRIGGER:-P7D
END:VALARM
END:VEVENT
END:VCALENDAR