GPT Chat Latest is OpenAI's language model with a 400K context window and up to 128K output tokens, available from 3 providers, starting at $5.00 / 1M input and $30.00 / 1M output. A stable OpenAI API alias that always resolves to the latest Instant chat model used in ChatGPT, providing a continuously updated conversational LLM endpoint.
Specifications
Canonical IDopenai-gpt-chat
TypeLanguage
StatusDeprecating
CreatorOpenAIOpenAI
Providers
Context Window400K tokens
Max Output128K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 5 months ago
Deprecation Date

Capabilities

Input3/5
Text✓
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities7/13
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

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / request
Aihubmix
aihubmix/gpt-chat-latest
$5.00$30.00$0.5N/A
Azure AI Foundry logo
Azure AI Foundry
azure/gpt-chat-latest
$5.00$30.00$0.5N/A
Azure AI Foundry logo
Azure AI Foundry
azure/us/gpt-chat-latest
$5.50$33.00$0.55N/A
OpenRouter logo
OpenRouter
openai/gpt-chat-latest
$5.00$30.00$0.5$0.010

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-6 Sol1.1M$2.00$10.00Available
GPT-6 Luna1.1M$0.100$0.500Available
GPT-6 Astra1.1M$10.00$50.00Available
GPT-5.6 Sol1.1M$2.00$10.00Available
GPT-5.6 Terra1.1M$2.00$12.00Available
GPT-5.6 Luna1.1M$0.200$1.20Available
GPT-5.51.1M$5.00$30.00Available
GPT-5.4 Mini400K$0.750$4.50Available
GPT-5.4 Nano400K$0.200$1.25Available
GPT-5.41.1M$2.50$15.00Available
GPT Chat Latest400K$5.00$30.00Current

Model IDs

aihubmix/gpt-chat-latest
azure_ai/gpt-chat-latest
azure/gpt-chat-latest
azure/us/gpt-chat-latest
openai-gpt-chat
openai/gpt-chat-latest
openrouter/openai/gpt-chat-latest