Is gemini-2.5-flash-lite deprecated?

Q: Is gemini-2.5-flash-lite deprecated?

Not yet, but retirement is scheduled. Sunset scheduled for 2026-10-20, reported by a third-party catalog. The identifier still resolves today.

RETIRING IN 34 DAYS

Sunset scheduled for 2026-10-20, reported by a third-party catalog. The identifier still resolves today. Sources disagree on: max_output_tokens.

state=dying sunset=2026-10-20 days_remaining=34 severity=high sources=gemini,litellm,openrouter evidence_tier=endpoint confirmed_by_endpoint=gemini documented_by_provider=false replacement=none corroborated=yes divergent_fields=max_output_tokens checked=2026-09-16 03:02Z

google/gemini-2.5-flash-lite

Vendor: google. Tracked by 3 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
gemini native	gemini-2.5-flash-lite	1,048,576	65,536	—	—	—
litellm	gemini-2.5-flash-lite	1,048,576	65,535	$0.1	$0.4	2026-10-20
openrouter	google/gemini-2.5-flash-lite	1,048,576	65,535	$0.1	$0.4	—

Change history

Severity	Change	What	Detected
low	added	new model openrouter/google/gemini-2.5-flash-lite (1,048,576 ctx)	2026-09-06
high	deprecated	gemini-2.5-flash-lite: deprecation announced for 2026-10-20 — in 60 days	2026-08-21
high	deprecated	gemini-2.5-flash-lite: retires 2026-10-20 (in 60 days)	2026-08-21
info	modified	[source artifact — 6 providers changed identically on the same day] gemini/gemini-2.5-flash-lite: capabilities lost service_tier	2026-06-27
info	modified	[source artifact — 6 providers changed identically on the same day] gemini-2.5-flash-lite: capabilities lost service_tier	2026-06-27