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Free Nemotron-3 120B A12B API

Updated 6/9/2026

Run NVIDIA's Nemotron-3 120B-A12B — a large MoE model strong at reasoning and agents — free on Cloudflare Workers AI.

About the Model

Why use Nemotron-3 120B-A12B?

Nemotron-3 120B-A12B is NVIDIA's large mixture-of-experts model (~12B active of 120B), tuned for reasoning, tool use, and agentic pipelines.

Capabilities

Strong at multi-step reasoning, coding, and structured outputs — a capable open alternative for demanding workloads.

Why it's free

Runs within Cloudflare Workers AI's 10,000 free Neurons per day allowance.

> Note: as an NVIDIA partner model, accept its model license once in your Cloudflare dashboard before the first call.

Try it in your browser

Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.

The model's reply will stream here.

How to call Nemotron-3 120B A12B

curl
curl https://api.cloudflare.com/client/v4/accounts/$CF_ACCOUNT_ID/ai/run/@cf/nvidia/nemotron-3-120b-a12b \
  -H "Authorization: Bearer $CF_API_TOKEN" \
  -d '{"messages":[{"role":"user","content":"Outline a plan to learn Rust in 30 days."}]}'
python
import os, requests

account = os.environ["CF_ACCOUNT_ID"]
token = os.environ["CF_API_TOKEN"]

resp = requests.post(
    f"https://api.cloudflare.com/client/v4/accounts/{account}/ai/run/@cf/nvidia/nemotron-3-120b-a12b",
    headers={"Authorization": f"Bearer {token}"},
    json={"messages": [{"role": "user", "content": "Outline a plan to learn Rust in 30 days."}]},
)
print(resp.json()["result"]["response"])

Provider Details

The following platforms provide free access to Nemotron-3 120B A12B through free tiers, trial credits, or daily quotas.

ProviderContext WindowFree QuotaRequires CCTrust / VerifiedAction
Cloudflare Workers AIN/ARate Limit
100 requests per day
No
Trust 99
Details

Frequently Asked Questions

Is Nemotron-3 120B A12B free to use?

Yes. Nemotron-3 120B A12B is available for free through 1 provider(s) listed below, with no purchase required.

What are the rate limits and quotas?

Free access varies by provider — Cloudflare Workers AI: Rate Limit.

How do I get a free Nemotron-3 120B A12B API key?

Sign up with Cloudflare Workers AI, then create an API key from your dashboard. See the provider details above for the exact steps.

Which providers offer Nemotron-3 120B A12B for free?

Nemotron-3 120B A12B is currently available for free via: Cloudflare Workers AI.

Know another free provider for Nemotron-3 120B A12B?

Help the community by sharing other ways to access this model for free.