AI model API · facts read November 7, 2026
OpenAI API
OpenAI's model API (GPT models). The widest ecosystem of examples and libraries, with a very cheap small model.
- Free plan
- None
- Paid from
- gpt-6-luna: $0.10 per million input tokens, $0.50 output. gpt-6.1-sol: $2 input, $10 output. gpt-6-astra: $10 input, $50 output.
- Monthly cost at 1,000 users
- $650/month gpt-6.1-sol: 200M input × $2 + 25M output × $10 per million = $650. gpt-6-luna: about $33.
- Free plan allows commercial use
- Not stated
- Open source
- No
- Self-hostable
- No
Source: OpenAI API pricing, read November 7, 2026. Prices change; check the vendor's page before you commit.
Best for
- The most third-party examples and SDK support
- A cheap small model for simple requests
Watch out for
- Model names and prices change often; Cuely's read of the pricing table was partial, so confirm the model you pick on the page.
How Cuely scores OpenAI API
The published scores, from −3 to +3, that decide when Cuely picks it. Method
- +1keep costs as low as possible. gpt-6-luna is $0.10 / $0.50 per million tokens, about $33 a month at the profile.
OpenAI API alternatives
Recipes with OpenAI API
- AI app that answers questions over your customers' documents · an alternative