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OpenAI GPT: security advisories, deprecations and releases

OpenAI's GPT family of language models and the OpenAI API.

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Items, 90 days: 42
Critical: 0
Last critical: none
This week: 3

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3 items from the last 7 days. Zero sends only the ones that touch your stack.

Security 1

HIGH OpenAI News · 3 Oct 2026

Disrupting a coordinated model-distillation campaign

OpenAI detected and stopped an organized effort to extract protected reasoning from its models and is hardening defenses against similar adversarial distillation attacks.

Deprecations 33

HIGH NEW THIS WEEK ACT BY 1 DEC 2026 endoflife.date · 1 Nov 2026

GPT-Image-1 Mini reaches end of life on 2026-12-01

GPT-Image-1 Mini reaches end of life on 2026-12-01, as listed by endoflife.date.
HIGH NEW THIS WEEK ACT BY 1 DEC 2026 endoflife.date · 1 Nov 2026

GPT-Image-1.5 reaches end of life on 2026-12-01

GPT-Image-1.5 reaches end of life on 2026-12-01, as listed by endoflife.date.
MEDIUM ACT BY 26 OCT 2026 DigitalOcean release notes · 27 Oct 2026

DigitalOcean Inference deprecates OpenAI o1, o3-mini, GPT Image 1

DigitalOcean is removing support for OpenAI o1, o3-mini and GPT Image 1 models on 26 October 2026.
HIGH ACT BY 23 OCT 2026 endoflife.date · 23 Oct 2026

GPT-Image-1 has reached end of life

GPT-Image-1 reached end of life on 2026-10-23, as listed by endoflife.date.
HIGH ACT BY 23 OCT 2026 endoflife.date · 23 Oct 2026

o4-mini has reached end of life

o4-mini reached end of life on 2026-10-23, as listed by endoflife.date.
HIGH ACT BY 23 OCT 2026 endoflife.date · 23 Oct 2026

GPT-4.1 nano has reached end of life

GPT-4.1 nano reached end of life on 2026-10-23, as listed by endoflife.date.
MEDIUM ACT BY 20 JAN 2027 endoflife.date · 22 Oct 2026

GPT-Audio Mini reaches end of life on 2027-01-20

GPT-Audio Mini reaches end of life on 2027-01-20, as listed by endoflife.date.
MEDIUM ACT BY 20 JAN 2027 endoflife.date · 22 Oct 2026

GPT-Realtime reaches end of life on 2027-01-20

GPT-Realtime reaches end of life on 2027-01-20, as listed by endoflife.date.
MEDIUM ACT BY 20 JAN 2027 endoflife.date · 22 Oct 2026

GPT-Realtime Mini reaches end of life on 2027-01-20

GPT-Realtime Mini reaches end of life on 2027-01-20, as listed by endoflife.date.
HIGH ACT BY 19 OCT 2026 GitHub Changelog · 20 Oct 2026

GitHub Copilot models deprecated October 19 2026

Six models including Gemini 3.7 Flash, GPT-5.x variants, and Grok 4.5 are deprecated today. Admins must switch to newer alternatives like GPT-6.1 Sol or Grok 4.7.
MEDIUM ACT BY 16 NOV 2026 GitHub Changelog · 16 Oct 2026

Upcoming deprecation of selected GitHub Copilot models in mid-November

GitHub will retire Claude Opus 4.8, Claude Opus 5, and GPT-5.6 Terra from Copilot on 16 Nov 2026; switch to newer alternatives.
MEDIUM ACT BY 14 JAN 2027 endoflife.date · 16 Oct 2026

GPT-4.1 Mini reaches end of life on 2027-01-14

GPT-4.1 Mini reaches end of life on 2027-01-14, as listed by endoflife.date.
MEDIUM ACT BY 14 JAN 2027 endoflife.date · 16 Oct 2026

GPT-4.1 reaches end of life on 2027-01-14

GPT-4.1 reaches end of life on 2027-01-14, as listed by endoflife.date.
LOW ACT BY 14 JAN 2027 endoflife.date · 14 Oct 2026

GPT-4.1 Mini reaches end of life on 2027-01-14

GPT-4.1 Mini reaches end of life on 2027-01-14, as listed by endoflife.date.
LOW ACT BY 14 JAN 2027 endoflife.date · 14 Oct 2026

GPT-4.1 reaches end of life on 2027-01-14

GPT-4.1 reaches end of life on 2027-01-14, as listed by endoflife.date.
LOW ACT BY 1 APR 2027 endoflife.date · 3 Oct 2026

GPT-5.4 nano reaches end of life on 2027-04-01

GPT-5.4 nano reaches end of life on 2027-04-01, as listed by endoflife.date.
LOW ACT BY 1 APR 2027 endoflife.date · 3 Oct 2026

GPT-5.1 reaches end of life on 2027-04-01

GPT-5.1 reaches end of life on 2027-04-01, as listed by endoflife.date.
LOW ACT BY 1 APR 2027 endoflife.date · 3 Oct 2026

GPT-5.3-Codex reaches end of life on 2027-04-01

GPT-5.3-Codex reaches end of life on 2027-04-01, as listed by endoflife.date.
HIGH ACT BY 23 OCT 2026 endoflife.date · 2 Oct 2026

GPT-4.1 nano reaches end of life on 2026-10-23

GPT-4.1 nano reaches end of life on 2026-10-23, as listed by endoflife.date.
HIGH ACT BY 23 OCT 2026 endoflife.date · 2 Oct 2026

o4-mini reaches end of life on 2026-10-23

o4-mini reaches end of life on 2026-10-23, as listed by endoflife.date.
MEDIUM ACT BY 11 DEC 2026 endoflife.date · 2 Oct 2026

o3-pro reaches end of life on 2026-12-11

o3-pro reaches end of life on 2026-12-11, as listed by endoflife.date.
HIGH ACT BY 23 OCT 2026 endoflife.date · 2 Oct 2026

GPT-Image-1 reaches end of life on 2026-10-23

GPT-Image-1 reaches end of life on 2026-10-23, as listed by endoflife.date.
MEDIUM ACT BY 11 DEC 2026 endoflife.date · 2 Oct 2026

GPT-5 Pro reaches end of life on 2026-12-11

GPT-5 Pro reaches end of life on 2026-12-11, as listed by endoflife.date.
MEDIUM ACT BY 11 DEC 2026 endoflife.date · 2 Oct 2026

GPT-5 nano reaches end of life on 2026-12-11

GPT-5 nano reaches end of life on 2026-12-11, as listed by endoflife.date.
MEDIUM ACT BY 11 DEC 2026 endoflife.date · 2 Oct 2026

GPT-5 Mini reaches end of life on 2026-12-11

GPT-5 Mini reaches end of life on 2026-12-11, as listed by endoflife.date.
MEDIUM ACT BY 1 DEC 2026 endoflife.date · 2 Oct 2026

GPT-Image-1 Mini reaches end of life on 2026-12-01

GPT-Image-1 Mini reaches end of life on 2026-12-01, as listed by endoflife.date.
LOW ACT BY 20 JAN 2027 endoflife.date · 2 Oct 2026

GPT-Realtime Mini reaches end of life on 2027-01-20

GPT-Realtime Mini reaches end of life on 2027-01-20, as listed by endoflife.date.
MEDIUM ACT BY 11 DEC 2026 endoflife.date · 2 Oct 2026

GPT-5 reaches end of life on 2026-12-11

GPT-5 reaches end of life on 2026-12-11, as listed by endoflife.date.
LOW ACT BY 26 FEB 2027 endoflife.date · 2 Oct 2026

GPT-4o Transcribe Diarize reaches end of life on 2027-02-26

GPT-4o Transcribe Diarize reaches end of life on 2027-02-26, as listed by endoflife.date.
MEDIUM ACT BY 11 DEC 2026 endoflife.date · 2 Oct 2026

o3 reaches end of life on 2026-12-11

o3 reaches end of life on 2026-12-11, as listed by endoflife.date.
LOW ACT BY 20 JAN 2027 endoflife.date · 2 Oct 2026

GPT-Realtime reaches end of life on 2027-01-20

GPT-Realtime reaches end of life on 2027-01-20, as listed by endoflife.date.
LOW ACT BY 20 JAN 2027 endoflife.date · 2 Oct 2026

GPT-Audio Mini reaches end of life on 2027-01-20

GPT-Audio Mini reaches end of life on 2027-01-20, as listed by endoflife.date.
MEDIUM ACT BY 1 DEC 2026 endoflife.date · 2 Oct 2026

GPT-Image-1.5 reaches end of life on 2026-12-01

GPT-Image-1.5 reaches end of life on 2026-12-01, as listed by endoflife.date.

Releases 7

INFO NEW THIS WEEK endoflife.date · 2 Nov 2026

GPT-6.1 Terra released

GPT-6.1 Terra was released on 2026-10-26.
INFO AWS What's New · 9 Oct 2026

Amazon Bedrock adds reasoning summaries for OpenAI models

Bedrock now returns human-readable reasoning summaries alongside OpenAI model responses, useful for debugging and transparency.
INFO endoflife.date · 4 Oct 2026

GPT-6.1 Sol released

GPT-6.1 Sol was released on 2026-09-29.
HIGH ACT BY 1 NOV 2026 Spring Blog · 3 Oct 2026

OpenAI Responses API endpoint added

New OpenAiResponsesChatModel talks to /v1/responses, required for GPT-5.4 tool-calling with reasoning effort other than none.
INFO DigitalOcean release notes · 2 Oct 2026

GPT-6 Sol and Luna models now on DigitalOcean Inference

OpenAI GPT-6 Sol and GPT-6 Luna models are now available for serverless inference on DigitalOcean Inference.
INFO endoflife.date · 2 Oct 2026

GPT-6 Sol released

GPT-6 Sol was released on 2026-09-22.
INFO endoflife.date · 2 Oct 2026

GPT-6 Luna released

GPT-6 Luna was released on 2026-09-22.

News and tools 1

INFO Datadog Security Labs · 19 Oct 2026

Putting models to the secure coding test: Security rules

Test of Sonnet 5, Composer 2.5, and GPT 5.5 shows measurable improvement in secure code when using security rules.

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