Run five real prompts before signup
Pick a model, send a production-style prompt, and review the response without creating an account. After five preview runs, sign up for unlimited access and your API key.
Text models
7
Estimated cost
$0.000
~23 input / 64 output tokens
Free previews left
5
0 of 5 preview runs used
Zero-friction entry
Five no-login previews
Use the public Playground for the first pass on model choice, prompt shape, and response quality. When the free cap is used, sign up to keep iterating on the live gateway.
Model fit
GLM-5.1
Open-source coding flagship built for long-horizon autonomous engineering and deep reasoning.
8-hour autonomous coding loops
50%+ cheaper than SiliconFlow
Start with a real task. The public preview is capped at five runs so you can validate quickly before signup.
Z.ai
GLM-5.1