@cf/openai/gpt-oss-120b by Cloudflare Workers AI

10,000 Neurons/day free. 50+ models available on free tier.

Access
Free API tier
Free limits
10K neurons/day (shared)
Modality
text
Credit card
Not required
Commercial use
Unclear, verify
Context window
128,000 tokens
Model ID
@cf/openai/gpt-oss-120b
Base URL
https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run
Checked
Nov 12, 2026

Benchmarks

LMArena text Elo
1365 · LMArena, Nov 11 2026
Tested as gpt-oss-120b · leaderboard published 2026-11-09
LMArena text rank
#197 of 421 · LMArena, Nov 11 2026
Tested as gpt-oss-120b
SWE-bench Verified
26% · SWE-bench, Nov 11 2026
Tested as gpt-oss-120b · mini-SWE-agent v1.7.0, submitted 2025-08-07

Numbers are copied from the linked public leaderboards for this exact model and version. The free endpoint can run a different reasoning setting or quantization than the tested one.

Quickstart

curl https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/chat/completions \
  -H "Authorization: Bearer $KEY" \
  -d '{"model":"@cf/openai/gpt-oss-120b","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 @cf/openai/gpt-oss-120b free?

Yes. Cloudflare Workers AI offers it as Free API tier with these limits: 10K neurons/day (shared). No credit card is required.

Can I use @cf/openai/gpt-oss-120b commercially?

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

How do I start using @cf/openai/gpt-oss-120b?

10,000 Neurons/day free. 50+ models available on free tier.

Free monthly update

The monthly free-models update

What is newly free, what got rate-limited, and what to switch to. One email a month. Unsubscribe anytime.

Related free models