Chat Latest is OpenAI's language model with a 400K context window and up to 128K output tokens, starting at $5.00 / 1M input and $30.00 / 1M output. OpenAI's dynamic alias pointing to the latest chat model used in ChatGPT, providing access to the most current conversational AI capabilities via the API.
Specifications
Canonical IDopenai-chat
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window400K tokens
Max Output128K tokens
Input ModalitiesImageText
Output ModalitiesText
Knowledge Cutoff

Capabilities

Input2/5
Text
Image
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities3/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
OpenAI logo
OpenAI
chat-latest
$5.00$30.00$0.500

Cost Calculator

Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-5.51.1M$5.00$30.00Available
GPT-5.4 Mini1.1M$0.750$4.50Available
GPT-5.4 Nano1.1M$0.200$1.25Available
GPT-5.41.1M$2.50$15.00Available
GPT-5.3 Codex400K$1.75$14.00Available
GPT-5.2 Codex400K$1.75$14.00Available
GPT-5.2410K$1.75$14.00Available
GPT-5.1410K$1.25$10.00Available
GPT-5.1 Codex400K$1.25$10.00Available
GPT-5.1 Codex Mini400K$0.250$2.00Available
Chat Latest400K$5.00$30.00Current

Model IDs