OpenAI
chat-latest API Pricing
Routing alias pointing to the latest "Instant" model used in ChatGPT; auto-updates over time. Knowledge cutoff Aug 31 2025. OpenAI recommends gpt-5.5 for production use instead of this dynamic alias.
Verified against OpenAI’s pricing page on 2026-07-02.
View source ↗Facts
Specs
- FamilyGPT (ChatGPT alias)
- API IDchat-latest
- ModalityText
- Context window400K tokens
- Max output128K tokens
- Release dateNot published
Pricing (per 1M tokens)
- Input$5.00 / 1M tokens
- Output$30.00 / 1M tokens
- Cached input$0.50 / 1M tokens
- Cache write—
- Batch discount—
Capabilities
tool-use, function-calling, structured-outputs, streaming
Notes
Routing alias pointing to the latest "Instant" model used in ChatGPT; auto-updates over time. Knowledge cutoff Aug 31 2025. OpenAI recommends gpt-5.5 for production use instead of this dynamic alias.
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Est. monthly cost |
|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $1,000 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $1,530 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $725.00 |
Price history
Changes we have documented since we began tracking
No price changes recorded since we began tracking.
chat-latest pricing FAQ
- How much does chat-latest cost per 1M tokens?
- chat-latest costs $5.00 per 1M input tokens and $30.00 per 1M output tokens.
- How much does chat-latest cost per request?
- A typical request of 800 input and 200 output tokens costs about $0.01 on chat-latest.
- Is chat-latest cheaper than GPT-4.1?
- chat-latest is more expensive than GPT-4.1 on input tokens, by about 150%.
- Does chat-latest have cache pricing?
- Yes — cached input reads cost $0.50 per 1M tokens.