{"schema_version":"onlylabs.public_signal.v1","title":"OpenAI Writing: Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT","description":"OpenAI writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/ff94b140-474d-4c0c-b21c-5add779d0738","json_url":"https://onlylabs.fyi/signals/ff94b140-474d-4c0c-b21c-5add779d0738/signal.json","generated_at":"2026-06-08T15:45:23.081+00:00","org":{"slug":"openai","name":"OpenAI","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/openai","dossier_json_url":"https://onlylabs.fyi/labs/openai/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/ff94b140-474d-4c0c-b21c-5add779d0738","signal_json":"https://onlylabs.fyi/signals/ff94b140-474d-4c0c-b21c-5add779d0738/signal.json","source":"https://openai.com/index/retiring-gpt-4o-and-older-models","lab_dossier":"https://onlylabs.fyi/labs/openai","lab_dossier_json":"https://onlylabs.fyi/labs/openai/dossier.json","analysis":"https://onlylabs.fyi/analysis/openai","analysis_json":"https://onlylabs.fyi/analysis/openai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/openai/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","data_business":null},"answer_pack":{"answer":"OpenAI published Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT. 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High-signal details: Retiring multiple major models, high HN traction · Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT | OpenAI January 29, 2026 Retiring GPT‑4o, GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini in ChatGPT.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","signal_desk":"talking","source_context":{"source_url":"https://openai.com/index/retiring-gpt-4o-and-older-models","source_host":"openai.com","occurred_at":"2026-01-29T00:00:00+00:00","first_seen_at":"2026-06-05T05:42:57.832854+00:00","date_source":"rss.item_date","context":null},"context_markers":[{"label":"Lab","value":"OpenAI","source":"signal"},{"label":"Signal desk","value":"talking","source":"signal"},{"label":"Source host","value":"openai.com","source":"source"},{"label":"Notability","value":"Retiring multiple major models, high HN traction","source":"signal"},{"label":"Watch term","value":"Safety and 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narrative layer over raw signals and helps identify which frontier-lab priorities are becoming externally legible.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/ff94b140-474d-4c0c-b21c-5add779d0738/signal.json","required":true},{"label":"source","url":"https://openai.com/index/retiring-gpt-4o-and-older-models","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/openai/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/openai/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/talking/signals.json","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, 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In the API, there are no changes at this time. While this announcement applies to several older models, GPT‑4o deserves special context. After we first deprecated it and later restored access during the GPT‑5 release, we learned more about how people actually use it day to day. We brought GPT‑4o back after hearing clear feedback from a subset of Plus and Pro users, who told us they needed more time to transition key use cases, like creative ideation, and that they preferred GPT‑4o’s conversational style and warmth. That feedback directly shaped GPT‑5.1 and GPT‑5.2, with improvements to personality, stronger support for creative ideation, and more ways to customize how ChatGPT responds⁠. You can choose from base styles and tones like Friendly, and controls for things like warmth and enthusiasm. Our goal is to give people more control..."},"evidence_pages":[{"url":"https://openai.com/index/retiring-gpt-4o-and-older-models","final_url":"https://openai.com/index/retiring-gpt-4o-and-older-models","title":"Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT","http_status":200,"content_type":null,"capture_method":"exa","fetched_at":"2026-06-08T15:45:23.081+00:00","bytes":null,"raw_path":null,"content_hash":null,"excerpt_chars":1200,"truncated":true,"excerpt":"Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT | OpenAI January 29, 2026 Retiring GPT‑4o, GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini in ChatGPT Share On February 13, 2026, alongside the previously announced retirement⁠ of GPT‑5 (Instant and Thinking), we will retire GPT‑4o, GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini from ChatGPT. In the API, there are no changes at this time. While this announcement applies to several older models, GPT‑4o deserves special context. 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