ChatGPT-4o

deprecated
chatgpt-4o-latest

ChatGPT-4o points to the GPT-4o snapshot currently used in ChatGPT. We recommend using an API model like GPT-5 or GPT-4o for most API integrations, but feel free to use this ChatGPT-4o model to test our latest improvements for chat use cases.

Reasoning
Speed
Context
128K
Max output
16K
Input price
Output price
Capabilities
vision
tool call
structured output
reasoning
json mode
streaming
fine tuning
batch
Details
Provider OpenAI
Creator OpenAI
Familychatgpt
Statusdeprecated
Input modalitiestext, image
Output modalitiestext
Knowledge cutoff
Release date
Deprecation date
Sourceofficial
Last updated2026-03-20
Max input
chatgpt family
ModelContextMax outInputOutput
ChatGPT-4o
128K16K
$5$10
API
GET/v1/models/openai/chatgpt-4o-latest