Respan
LLM tracing, evals, and gateway
The top alternatives to Moda in the Observability, Prompts & Evals space, compared on features, pricing, and what they're best at.
Updated March 27, 2026
Moda is a monitoring and reliability platform purpose-built for AI agents, positioned as "Datadog for agent workflows." Part of YC W2026, it was founded by Mohammad Al-Rasheed and Pranav Bedi, both University of Waterloo dropouts with AI agent production experience at Shopify, Notion, and Clio.
One platform for routing, observability, tracing, and evals across every LLM provider.
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.