qwen3.8-27b by Cloudflare Workers AI

Every Cloudflare account gets 10,000 neurons a day free across all Workers AI models, reset at 00:00 UTC. Create an API token with Workers AI permission and call the OpenAI-compatible endpoint with your account ID.

Access
Free API tier
Free limits
10K neurons/day (shared)
Modality
text, multimodal
Credit card
Not required
Commercial use
Unclear, verify
Context window
262,144 tokens
Model ID
@cf/qwen/qwen3.8-27b
Base URL
https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/v1
Checked
Nov 11, 2026

Benchmarks

LMArena text Elo
1436 · LMArena, Nov 11 2026
Tested as Qwen3.8-27B · published 2026-11-09
LMArena text rank
#88 of 421 · LMArena, Nov 11 2026
Tested as Qwen3.8-27B · published 2026-11-09
AA Intelligence Index
20 · Artificial Analysis, Nov 11 2026
Tested as Qwen3.8 27B (Xhigh)
AA output speed
46 tok/s · Artificial Analysis, Nov 11 2026
Tested as Qwen3.8 27B (Xhigh) · median across API providers
AA cost per Intelligence Index task
$3.53 · Artificial Analysis, Nov 11 2026
Tested as Qwen3.8 27B (Xhigh)

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/v1/chat/completions \
  -H "Authorization: Bearer $KEY" \
  -d '{"model":"@cf/qwen/qwen3.8-27b","messages":[{"role":"user","content":"hi"}]}'

Using this model in production?

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Frequently asked

Is qwen3.8-27b 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 qwen3.8-27b commercially?

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

How do I start using qwen3.8-27b?

Get a free API key from the provider dashboard. Set the base URL to https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/v1 and the model to @cf/qwen/qwen3.8-27b. Every Cloudflare account gets 10,000 neurons a day free across all Workers AI models, reset at 00:00 UTC. Create an API token with Workers AI permission and call the OpenAI-compatible endpoint with your account ID.

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