Explore / Build the product / OpenAI API
OpenAI · checked 10 November 2026
OpenAI API
OpenAI's developer API for the GPT-6 models (Astra, 6.1 Sol, 6.1 Terra, Luna), including the Decisions API. A team building on OpenAI's models that wants one family covering every price point.
What it costs Read from developers.openai.com on 10 November 2026
Per million tokens, input and output: GPT-6 Astra $10 and $50, GPT-6.1 Sol $2 and $10, GPT-6.1 Terra $1 and $5, GPT-6 Luna $0.10 and $0.50
Answers that name it1 answer
In the library8 pages
- Overview of OpenAI Crawlers Starting Up
- API pricing (OpenAI docs) How Founders Use AI
- Using GPT-6: prompt guidance How Founders Use AI
- Agents API overview How Founders Use AI
- Decisions API guide How Founders Use AI
- Function calling (OpenAI API docs) How Founders Use AI
- Batch API (OpenAI docs) How Founders Use AI
- Structured model outputs (OpenAI docs) How Founders Use AI
eChai Partner Brands
The partnership →
