Ways to buy 1
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 OpenAI APIThe lab's own API | $21 | $168 | $21 / $168List price | n/a | List price |
USD per 1M tokens; batch $10.5 in, $84 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $5,460 direct.
Helicone$5,460+0%
Kong AI Gateway$5,460+0%
LiteLLM$5,460+0%
Vercel AI Gateway$5,460+0%
Cloudflare AI Gateway$5,733+5%
Requesty$5,733+5%
Eden AI$5,760+5.5%
OpenRouter$5,760+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| GPT-6 Luna OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
| GPT-6 Luna Pro OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
| GPT-6 Sol OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
| GPT-6 Sol Pro OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
 Claude Opus 4.1Anthropic · 200K | $15 | $75 | $15 / $75 | $30 | 200K | Lab list price | · |
About 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.
Takes image, text, files in and returns text. First listed Dec 15, 2025. Up to 128K output tokens. Blended price $57.8 per 1M tokens at 3 input to 1 output. Model id gpt-5-2-pro.
Price history
List price since Dec 15, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does GPT-5.2 Pro cost?
$21 per million input tokens and $168 per million output tokens, or $10.5 and $84 through the Batch API.
What is the context window of GPT-5.2 Pro?
400K tokens, with up to 128K tokens of output.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.