Where to use Mistral Small 3.1 24B for free

Mistral Small 3.1 24B is free on 2 providers today. Permanent free tiers come first, then one-time trials.

ProviderAPI model IDContextFree limitsSign-up
Cloudflare Workers AI @cf/mistralai/mistral-small-3.1-24b-instruct 128K Varies by model No card
IBM watsonx.ai (Lite plan) mistralai/mistral-small-3-1-24b-instruct-2503 128K About 2 requests/second (Lite) Card required

Free lists change often. Each provider page shows its full limits and code examples, and every change is logged in the changelog. Want to call it from Claude Code or Cursor? Use the setup generator.