~openai API Pricing
~openai offers 5 API models in the catalog. Combined input+output prices range from $0.6 (OpenAI: GPT Luna Latest) to $60 (OpenAI: GPT Astra Latest) per 1M tokens. Its most recent model is OpenAI: GPT Astra Latest at $10 input / $50 output.
| Model | Input /1M | Output /1M | Cached in /1M | Context |
|---|---|---|---|---|
| OpenAI: GPT Luna Latest | $0.1 | $0.5 | $0.01 | 1,050,000 |
| OpenAI: GPT Mini Latest | $0.75 | $4.5 | $0.075 | 400,000 |
| OpenAI: GPT Sol Latest | $2 | $10 | $0.1 | 1,050,000 |
| OpenAI: GPT Terra Latest | $2 | $12 | $0.2 | 1,050,000 |
| OpenAI: GPT Astra Latest | $10 | $50 | $1 | 1,050,000 |
Frequently asked questions
What is the cheapest ~openai model?
The cheapest ~openai model by combined price is OpenAI: GPT Luna Latest at $0.1 input and $0.5 output per 1M tokens.
How many models does ~openai offer via API?
~openai lists 5 models in the OpenRouter catalog as of October 21, 2026.
Price snapshot October 21, 2026, refreshed daily.