Is gpt-5.4-cyber deprecated?

Q: Is gpt-5.4-cyber deprecated?

Not yet, but retirement is scheduled. Sunset scheduled for 2026-10-01, published in the provider's own documentation. The provider names gpt-5.6-cyber as the replacement. The identifier still resolves today.

RETIRING IN 19 DAYS

Sunset scheduled for 2026-10-01, published in the provider's own documentation. The provider names gpt-5.6-cyber as the replacement. The identifier still resolves today.

state=dying sunset=2026-10-01 days_remaining=19 severity=critical sources=docs evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-5.6-cyber corroborated=single-source divergent_fields=none checked=2026-09-12 08:54Z

openai/gpt-5.4-cyber

Vendor: openai. Tracked by 1 of 5 sources.

What each source reports

**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.
Source	ID	Context	Max out	In $/Mtok	Out $/Mtok	Sunset
docs	gpt-5.4-cyber	—	—	—	—	2026-10-01

Change history

Severity	Change	What	Detected
low	added	new model gpt-5.4-cyber	2026-09-12
critical	deprecated	gpt-5.4-cyber: retires 2026-10-01 (in 19 days)	2026-09-12