Try it like production sees it.
Patch a model and a strategy, press Run, and read the lineage. The demo below runs the same pipeline shape as production — the real playground lives in your dashboard after install.
Playground demo
Idle
Model
Strategy
Routed response
Pick a model and a strategy, then press Run.
Illustrative demo — the real playground lives in the dashboard. Docs →
Four moves to a working prompt.
Patch model + strategy
model: gpt-4o-mini · strategy: priorityChoose from your registered models and the five routing strategies.
Model registrySend the prompt
max_tokens: 256 · temperature: 0.3Try the exact prompt your application will send.
Playground docsRead the lineage
synapass: { provider, fallback_used, latency_ms, estimated_cost_usd }Every trial returns who answered, whether fallback fired, latency, and cost.
LineagePromote to an endpoint
endpoint: support-draft · policy: eu-supportBind the prompt to a named endpoint with limits — no model names in app code.
Endpoints
Full walkthrough: Playground docs
The real playground is one install away.
One command starts the full stack. Your first routed call lands in about five minutes — with the lineage to prove it.