openai
OpenAI: GPT Chat Latest API Pricing
OpenAI: GPT Chat Latest costs $5.00 per 1M input tokens and $30.00 per 1M output tokens (cache reads: $0.500). Context window: 400K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$5.00
Output / 1M tokens
$30.00
Context window
400K
Max output
128K
What would OpenAI: GPT Chat Latest cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $160.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $500.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $1050.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $260.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About 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...
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Official resources
- OpenAI: GPT Chat Latest on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including Latest. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.