rerank-v3.5 by Cohere

Sign up at Cohere and use the free trial key from the dashboard. Trial keys are capped at 1,000 API calls a month and are not for production use.

Access
Free API tier
Free limits
10 RPM · 1,000 calls/mo (trial key)
Modality
text
Credit card
Not required
Commercial use
Not on the free tier
Context window
4,000 tokens
Rate limit
10 RPM
Model ID
rerank-v3.5
Checked
Nov 11, 2026

Quickstart

curl https://api.cohere.com/v2/chat \
  -H "Authorization: Bearer $KEY" \
  -d '{"model":"rerank-v3.5","messages":[{"role":"user","content":"hi"}]}'

Using this model in production?

We wire free-tier and open-weight models into production stacks: evals against your real inputs, failover, cost caps. Book a free 30-minute call.

Frequently asked

Is rerank-v3.5 free?

Yes. Cohere offers it as Free API tier with these limits: 10 RPM · 1,000 calls/mo (trial key). No credit card is required.

Can I use rerank-v3.5 commercially?

The free tier is non-commercial. For production or commercial use you need a paid plan or a different model.

How do I start using rerank-v3.5?

Sign up at Cohere and use the free trial key from the dashboard. Trial keys are capped at 1,000 API calls a month and are not for production use.

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