Transparent pay-as-you-go pricing. No monthly minimums. Volume discounts for 1B+ tokens/month.
| Model | Input / 1M tokens | Output / 1M tokens | Context | Features |
|---|---|---|---|---|
| GPT 5.1 Codex | $0.30 | $2.00 | 256K | Text Image |
| GPT 5.3 Codex Spark | $0.10 | $0.20 | 128K | Text |
| GPT 5.3 Codex | $0.10 | $0.20 | 256K | Text |
| GPT 5.4 | $0.20 | $1.00 | 256K | Text Image |
| GPT 5.4 Mini | $0.10 | $0.30 | 128K | Text |
| GPT 5.5 | $0.50 | $1.50 | 256K | Text Image |
# Get live model list + pricing curl https://api.redbtco.com/v1/models # Use any model with OpenAI SDK from openai import OpenAI client = OpenAI( base_url="https://api.redbtco.com/v1", api_key="your-key" )