Features
Model selection
Use the model selector dropdown to choose any model available on your plan. The list shows all chat completion models with their provider and tier.System message
Set a system message to define the AI’s behavior and personality. This is the same as thesystem role in the API:
Parameter controls
Fine-tune model behavior with adjustable sliders:| Parameter | Range | Description |
|---|---|---|
| Temperature | 0 – 2 | Controls randomness. Lower = more focused, higher = more creative |
| Top P | 0 – 1 | Nucleus sampling. Controls diversity of token selection |
Streaming
Responses stream in real-time, token by token — just like they would in your application. You can see the tokens/second rate displayed during generation.Stop generation
Click the Stop button to immediately halt a response mid-generation. Useful when you can see the model is going in the wrong direction.Using the Playground
Tips
Compare models
Compare models
Try the same prompt with different models to compare quality and speed. Open multiple browser tabs for side-by-side comparison.
Test before coding
Test before coding
Use the Playground to validate your prompts and system messages before integrating them into your application.
Clear conversation
Clear conversation
Click the Clear button to start a fresh conversation. This resets the message history but keeps your system message and parameters.
Error handling
The Playground shows clear error messages for common issues:| Error | Meaning |
|---|---|
| 429 | Rate limit exceeded — wait and try again |
| 402 | No active plan — subscribe to a plan |
| 403 | Model requires a higher plan — upgrade |