OpenAI
OpenAI: GPT Chat Latest
openai/gpt-chat-latest
GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates in the future, they are routed behind this slug automatically. For more info, see: https://developers.openai.com/api/docs/models/chat-latest
Input
$5
/ 1M tokens
Output
$30
/ 1M tokens
Context window
400K
tokens
Limits
Context
400,000
tokens
Max output
128,000
32% of the context window
Model facts
Author
OpenAI
Tokenizer
GPT
Modality
Text + Image + File -> Text
Created
May 5, 2026
Publication status
Hugging Face: not mappedLicense: not publishedParameter count: not published
Modalities
Input · TextInput · ImageInput · FileOutput · Text
Generation controls
Max tokensResponse formatSeedStructured outputsTool choiceTools