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[ARTICLE · art-119655] src=llmstatus.ai ↗ pub= topic=large-language-models verified=true sentiment=· neutral

GPT-5.3 Chat (latest) deprecated

OpenAI has deprecated its GPT-5.3 Chat (latest) model, released on 2026-03-03, with no announced retirement date. The model, identified as gpt-5.3-chat-latest, supports text and image inputs with a 128k context window and 16k max output tokens. Developers using the model are advised to monitor its status via tools like llmstatus.ai to prepare for potential retirement.

read1 min views1 publishedSep 3, 2026
GPT-5.3 Chat (latest) deprecated
Image: Llmstatus (auto-discovered)

OA◑ Deprecating

OpenAI · gpt-5.3-chat-latest

Released2026-03-03

Retiresno announced date

gpttext+image128k context16k max out

also matches:

`gpt-5.3-chat-latest`

`openai/gpt-5.3-chat-latest`

[provider announcement →](https://models.dev/openai/gpt-5.3-chat-latest)

Does your code call GPT-5.3 Chat (latest)?

$ curl -fsSL https://llmstatus.ai/install.sh | bash

Then mm status

in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.

Get alerted before it retires →

source & further reading
llmstatus.ai — original article New model: GPT-5.6 Luna (Global) (Amazon) New model: Grok 4.6 (xAI) New model: Gemini 3.8 Flash (Google)
── more in #large-language-models 4 stories · sorted by recency
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