Cadenya
Cadenya is a unified agent runtime that layers tools, agents, and objectives so developers can test safely and improve quickly.
Our verdict
Who it's for
Unified agent runtime for safe testing and rapid improvement
Who should look elsewhere
No free tier available; requires a paid plan from the start
Pros
- +Reduces upfront scaffolding by providing a ready-to-use runtime
- +Flexible model swapping and tool integration without vendor lock-in
- +Strong observability and feedback mechanisms to improve agent behavior
Cons
- −No free tier available; requires a paid plan from the start
- −Pricing based on usage loops and variations may become expensive at scale
Key features
- ✓Connect MCP servers, OpenAPI specs, and existing endpoints through a single tool layer
- ✓Swap models (e.g., Anthropic, OpenAI) and evolve behaviors without changing infrastructure
- ✓Progressive tool discovery: tool schemas stay out of context window until requested
- ✓Real-time webhooks and server-sent events (SSE) for agent event integration
- ✓Token metering with graduated pricing tiers to manage costs
- ✓Agent variations for A/B testing different models and prompts
- ✓Memory layers for persistent context and document storage
- ✓Feedback and scoring system to evaluate agent performance
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Launch | $20 | month | $20 monthly usage credit; Loops: 0–99,999 $0.0025/loop, 100,000–2,499,999 $0.0015/loop, 2,500,000+ $0.0005/loop; Monthly active variations: $1 per variation |
| Pro | — | month | Everything in Launch; Single Sign On; Agents improvement |