Ling 3.1 Flash free API

InclusionAI Ling 3.1 Flash (262K context, released 2026-10-02), a hybrid reasoning MoE with 25B active parameters out of 560B. Listed at $0 on OpenRouter; also free on Vercel AI Gateway and in Cline until 2026-10-13 as inclusionai/ling-3.1-flash-free. The OpenRouter id has no :free suffix, so confirm your limits in the OpenRouter console.

Free providers

ProviderRPMDailyModel IDChecked
openrouter-free 20 50 inclusionai/ling-3.1-flash 2026-10-10

Example (openrouter-free)

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "inclusionai/ling-3.1-flash",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

FAQ

Is Ling 3.1 Flash free via API?
Yes — free hosted routes are listed on this page from openrouter-free. Limits change; check the table and the provider pages for the latest RPM and daily caps.
Which free provider should I use for Ling 3.1 Flash?
Use openrouter-free for the free route on this page.
What are the free rate limits for Ling 3.1 Flash?
Published free-tier figures on this page include 20 RPM and 50 requests/day. Confirm on the linked provider page before production use.
How do I stack multiple free API keys?
See our free API stack guide to combine Groq, OpenRouter, and Gemini keys, then compare limits on the free API comparison table.

Limits checked against official docs on 2026-10-10. Rates change without notice. Not affiliated with providers unless noted. Verify before production use.

Model card · All providers · Stack free API keys