OpenAI
Inference providerUS Eastprices checked Oct 23, 06:00 UTC
OpenAI serves 12 models at a verified price. It is the cheapest host on 3 of the 3 it shares with others; its median price matches the cheapest.
Models served120 with open weights
Cheapest input, per M$0.10GPT-6 Luna
Uptime, last 24 h100%average of its 6 OpenRouter endpoints
Sign-upCard requiredno free credits stated
| Model | Precision | Context | Tools | Input | Output | Cache |
|---|---|---|---|---|---|---|
| GPT-6.1 Sol | — | 1.05M | — | $2.00 | $10.00 | $0.10 |
| GPT-6 Luna | — | 1.05M | — | $0.10 | $0.50 | $0.01 |
| GPT-6 Sol | — | 1.05M | — | $2.00 | $10.00 | $0.20 |
| GPT-6 Astra | — | 1M | — | $10.00 | $50.00 | $1.00 |
| GPT-5.6 Lunacheapest | — | 1.05M | ✓ | $0.20 | $1.20 | $0.02 |
| GPT-5.6 Solcheapest | — | 1.05M | ✓ | $4.00 | $20.00 | $0.40 |
| GPT-5.6 Terracheapest | — | 1.05M | ✓ | $2.00 | $12.00 | $0.20 |
| GPT-5.3 Codex | — | 400K | — | $1.75 | $14.00 | $0.17 |
| GPT-4.1 | — | 1.05M | — | $2.00 | $8.00 | $0.50 |
| GPT-4.1 mini | — | 1.05M | ✓ | $0.40 | $1.60 | $0.10 |
| GPT-4o mini | — | 125K | ✓ | $0.15 | $0.60 | $0.075 |
| GPT-4o | — | 125K | ✓ | $2.50 | $10.00 | $1.25 |
10 of 12 models · prices per million tokens · precision and context: read at OpenAI's own catalogue or docs where its terms allow, otherwise as declared to OpenRouter (hover a cell for its source) · tools as OpenAI declares them to OpenRouter
| Condition | What it says | Source |
|---|---|---|
| Sign-up | Card required | developers.openai.com |
| Free credits | None stated | — |
| Where data goes | Optional regional processing per project (e.g. US, Europe, Japan) | developers.openai.com |
| Headquarters region | US East | — |
| Price list | Where its per-token prices are published | openai.com |
| API documentation | Its own docs | developers.openai.com |
| Status page | Outages and incidents, as OpenAI reports them | status.openai.com |
| Terms of service | Its terms | openai.com |
| Discount | GPT-5.6 Sol at a promotional price, until Nov 21 | developers.openai.com |
Links checked Oct 8.