openai
OpenAI: GPT-5.2 Pro API Pricing
OpenAI: GPT-5.2 Pro costs $21.00 per 1M input tokens and $168.00 per 1M output tokens. Context window: 400K. Prices verified 2026-08-23 · source
Input / 1M tokens
$21.00
Output / 1M tokens
$168.00
Context window
400K
Max output
128K
What would OpenAI: GPT-5.2 Pro cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $840.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $2520.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $5040.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $1176.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-5.2 Pro
GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...
Compare OpenAI: GPT-5.2 Pro with
Official resources
- OpenAI: GPT-5.2 Pro on OpenRouter — live endpoint, pricing source of record.
- Get an OpenRouter API key → — one key, every model including Pro. Free credits on signup.
- Shred your current bill — paste a CSV and see if switching saves money.