Is GPT-3.5 Turbo deprecated or retired?

Yes. GPT-3.5 Turbo is Deprecated per OpenAI's own deprecation notice and shuts down on 2026-10-23. ModelPriceWatch last re-verified this status on 2026-08-24.

When does GPT-3.5 Turbo shut down?

OpenAI has announced GPT-3.5 Turbo shuts down on 2026-10-23. It remains purchasable until then, but new work should target a current model.

Is GPT-3.5 Turbo deprecated?

OpenAI · lifecycle status verified Aug 24, 2026 against the provider's own page.

Yes — GPT-3.5 Turbo is deprecated and shuts down Oct 23, 2026. Still purchasable until then, but OpenAI has announced end-of-life. Don't start new work on it.

Last verified pricing

historical reference — not a buy recommendation

GPT-3.5 Turbo was last priced at $0.500 per 1M input tokens and $1.50 per 1M output tokens, with a 16K-token context window. Full history stays on the GPT-3.5 Turbo model page.

What replaced GPT-3.5 Turbo?

successor named by OpenAI

OpenAI's named successorfrom the deprecation notice — not our inference

Model	Input $/M	Output $/M	Context
GPT-3.5 Turbo Deprecated	$0.500	$1.50	16K
GPT-5.6 Terra	$2.00	$12.00	1M	details →

Picking a replacement

We don't hold a benchmark average for GPT-3.5 Turbo, so we won't claim any model is "equivalent" to it. The current OpenAI lineup below is a factual starting point, with no quality-parity claim.

Current OpenAI alternatives

same provider, sold today — no parity claim

Model	Input $/M	Output $/M	Context
GPT-5 nano	$0.050	$0.400	400K	details →
GPT-4o mini	$0.150	$0.600	128K	details →
GPT-5.4 nano	$0.200	$1.25	400K	details →
GPT-4.1 mini	$0.400	$1.60	1M	details →

Migrating off GPT-3.5 Turbo? The migration calculator compares your exact input/output token mix against every current model we track, with benchmark tradeoffs. Lifecycle data on this page comes from OpenAI's own page and was last re-verified on Aug 24, 2026. See all retired & deprecated models.