Is o3-mini-high deprecated?

Q: Is o3-mini-high deprecated?

No — still supported. Listed by litellm, openrouter. No retirement date announced. Neither the provider's API nor its documentation has been checked for this model.

NOT DEPRECATED

Listed by litellm, openrouter. No retirement date announced. Neither the provider's API nor its documentation has been checked for this model.

state=alive sunset=none days_remaining=n/a severity=low sources=litellm,openrouter evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=yes divergent_fields=none checked=2026-09-16 03:02Z

openai/o3-mini-high

Vendor: openai. Tracked by 2 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
litellm	openrouter/openai/o3-mini-high	200,000	100,000	$1.1	$4.4	—
openrouter	openai/o3-mini-high	200,000	100,000	$1.1	$4.4	—

Change history

Severity	Change	What	Detected
low	modified	openrouter/openai/o3-mini-high: context_tokens raised 128,000 to 200,000	2026-09-06
low	modified	openrouter/openai/o3-mini-high: max_output_tokens raised 65,536 to 100,000	2026-09-06
low	modified	openrouter/openai/o3-mini-high: capabilities gained prompt_caching	2026-09-06
info	repriced	openrouter/openai/o3-mini-high: cache_read_price_per_mtok n/a to $0.55/Mtok	2026-09-06