Is GPT-4.1 deprecated or retired?

Yes. GPT-4.1 is Deprecated per OpenAI's own deprecation notice and shuts down on 2027-01-14. ModelPriceWatch last re-verified this status on 2026-10-18.

When does GPT-4.1 shut down?

OpenAI has announced GPT-4.1 shuts down on 2027-01-14. It remains purchasable until then, but new work should target a current model.

Is GPT-4.1 deprecated?

OpenAI · lifecycle status verified Oct 18, 2026 against the provider's own page.

Yes — GPT-4.1 is deprecated and shuts down Jan 14, 2027. 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historical reference — not a buy recommendation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-4.1 was last priced at $2.00 per 1M input tokens and $8.00 per 1M output tokens, with a 1M-token context window. Its benchmark average was 56.9 on the blend we track. Full history stays on the GPT-4.1 model page.

What replaced GPT-4.1?

successor named by OpenAI

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

Model	Input $/M	Output $/M	Context
GPT-4.1 Deprecated	$2.00	$8.00	1M
GPT-6 Luna	$0.100	$0.500	1M	details →

Same benchmark score or better, for less

computed from live prices + benchmark averages

Cheaper equivalentsscore ≥ 56.9 on the benchmark blend, ranked by blended cost ((3×input + 1×output) ÷ 4)

Model	Benchmark	Blended $/M	Input $/M	Output $/M
GPT-4.1 Deprecated	56.9	$3.50	$2.00	$8.00
DeepSeek V4 Flash DeepInfra cheapest	77.5	$0.090	$0.060	$0.180	details →

"Equivalent" here means the model's benchmark average is at or above GPT-4.1's 56.9. Benchmarks compress real quality differences — validate on your own workload before switching. Model your exact token mix in the migration calculator.

Current OpenAI alternatives

same provider, sold today — no parity claim

Model	Input $/M	Output $/M	Context
GPT-5.6 Luna	$0.200	$1.20	1M	details →
GPT-Realtime-2.1 mini	$0.600	$2.40	128K	details →
GPT-5.4 mini	$0.750	$4.50	1M	details →

Migrating off GPT-4.1? 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 Oct 18, 2026. See all retired & deprecated models.