Rerank 4 Pro API
Cohere's rerank model. Call it on 666 AI with the same API key as every other model. Pay as you go; prices follow the upstream in real time and this page updates hourly.
| Vendor | Cohere |
| Type | rerank |
| Price | $0.003375 per call |
| Model ID (use this in your request) | cohere/rerank-4-pro |
How to call Rerank 4 Pro
The API is OpenAI-compatible. Replace YOUR-ENDPOINT with the endpoint shown on your API Key page after you sign up, and YOUR-KEY with your key.
curl https://YOUR-ENDPOINT/v1/rerank \
-H "Authorization: Bearer YOUR-KEY" \
-H "Content-Type: application/json" \
-d '{"model": "cohere/rerank-4-pro", "query": "capital of France", "documents": ["Paris is the capital of France.", "Bananas are yellow."]}'Similar models — price comparison
| Model | Price |
|---|---|
| Rerank V3.5 | $0.00135 per call |
| Rerank 4 Fast | $0.0027 per call |
More models from Cohere
| Model | Price |
|---|---|
| North Mini Code | $0.0696 per 1M input tokens · $0.0696 per 1M output tokens |
FAQ
How much does the Rerank 4 Pro API cost?
On 666 AI, Rerank 4 Pro costs $0.003375 per call. You pay only for what you use — no monthly fee. Prices follow the upstream in real time; this page updates every hour.
Can I use the official OpenAI SDK?
Yes. The API is OpenAI-compatible: in the OpenAI Python or Node.js SDK just change base_url and api_key, and set model to cohere/rerank-4-pro.
How do I pay?
Bank card (including Google Pay / Apple Pay), USDT / ETH, or bank wire. Top up once and usage is deducted as you go.