openai
OpenAI: GPT-5.2 Chat API Pricing
OpenAI: GPT-5.2 Chat costs $1.75 per 1M input tokens and $14.00 per 1M output tokens (cache reads: $0.175). Context window: 128K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$1.75
Output / 1M tokens
$14.00
Context window
128K
Max output
32K
What would OpenAI: GPT-5.2 Chat cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $70.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $210.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $420.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $98.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-5.2 Chat
GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively βthinkβ on...
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Official resources
- OpenAI: GPT-5.2 Chat on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including Chat. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.