isitdeprecated.com
collectors 1/5 ok (openrouter, litellm, gemini, anthropic) last sync state DEGRADED models 2,985 events 19,470

RETIRING IN 152 DAYS

Sunset scheduled for 2027-04-01, published in the provider's own documentation. The provider names gpt-6-luna as the replacement. The identifier still resolves today.

state=dying sunset=2027-04-01 days_remaining=152 severity=high sources=docs,litellm evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-6-luna corroborated=yes divergent_fields=none checked=2026-10-31 05:09Z

openai/gpt-5.4-nano-2026-03-17

Vendor: openai. Tracked by 2 of 5 sources.

What each source reports

SourceIDContext Max outIn $/Mtok Out $/MtokSunset
docsgpt-5.4-nano-2026-03-17————2027-04-01
litellmazure/gpt-5.4-nano-2026-03-17272,000128,000$0.2$1.252027-04-01
endpoint = the provider's own machine-readable API, the strongest evidence. provider docs = the provider's own documentation, read by a model — first-party content, inferred reading. Unlabelled rows are third-party catalogs. Where sources disagree both values are shown rather than silently reconciled.

Change history

SeverityChangeWhat Detected
mediumdeprecatedgpt-5.4-nano-2026-03-17: deprecation announced for 2027-04-01 — in 155 days2026-10-28
lowaddednew model gpt-5.4-nano-2026-03-172026-10-23
mediumdeprecatedgpt-5.4-nano-2026-03-17: retires 2027-04-01 (in 160 days)2026-10-23
mediumdeprecatedazure_ai/gpt-5.4-nano-2026-03-17: deprecation announced for 2027-09-21 — in 396 days2026-08-21
mediumdeprecatedazure_ai/gpt-5.4-nano-2026-03-17: retires 2027-09-21 (in 396 days)2026-08-21
lowmodifiedazure/gpt-5.4-nano-2026-03-17: capabilities gained none_reasoning_effort, xhigh_reasoning_effort2026-08-16
mediumdeprecatedazure/gpt-5.4-nano-2026-03-17: deprecation announced for 2027-09-21 — in 405 days2026-08-12
mediumdeprecatedazure/gpt-5.4-nano-2026-03-17: retires 2027-09-21 (in 405 days)2026-08-12
highmodifiedazure/gpt-5.4-nano-2026-03-17: context_tokens cut 1,050,000 to 272,0002026-07-30
highmodifiedazure_ai/gpt-5.4-nano-2026-03-17: context_tokens cut 400,000 to 272,0002026-07-30
highmodifiedgpt-5.4-nano-2026-03-17: context_tokens cut 1,050,000 to 272,0002026-07-30
infomodified[source artifact — 6 providers changed identically on the same day] azure/gpt-5.4-nano-2026-03-17: capabilities lost service_tier2026-06-27
infomodified[source artifact — 6 providers changed identically on the same day] azure_ai/gpt-5.4-nano-2026-03-17: capabilities lost service_tier2026-06-27
infomodified[source artifact — 6 providers changed identically on the same day] gpt-5.4-nano-2026-03-17: capabilities lost service_tier2026-06-27
lowmodifiedgpt-5.4-nano-2026-03-17: context_tokens raised 272,000 to 1,050,0002026-06-26
lowaddednew model azure_ai/gpt-5.4-nano-2026-03-17 (400,000 ctx)2026-05-16