Mistral Medium 3.5 (128B) by Mistral AI

Free "Experiment" plan, no credit card. ~1B tokens/month. Prompts may be used to improve models.

Access
Free API tier
Free limits
~1 RPS, 500K TPM
Modality
image, code, text
Credit card
Not required
Commercial use
Unclear, verify
Context window
256,000 tokens
Model ID
mistral-medium-2604
Base URL
https://api.mistral.ai/v1
Last verified
July 2026

Quickstart

curl https://api.mistral.ai/v1/chat/completions \
  -H "Authorization: Bearer $KEY" \
  -d '{"model":"mistral-medium-2604","messages":[{"role":"user","content":"hi"}]}'

Frequently asked

Is Mistral Medium 3.5 (128B) free?

Yes. Mistral AI offers it as Free API tier with these limits: ~1 RPS, 500K TPM. No credit card is required.

Can I use Mistral Medium 3.5 (128B) commercially?

Commercial terms are not clearly documented. Check the provider's current terms before shipping.

How do I start using Mistral Medium 3.5 (128B)?

Free "Experiment" plan, no credit card. ~1B tokens/month. Prompts may be used to improve models.

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