A agentindex
Comparison

Fiddler vs Latitude

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Fiddler

AI observability and governance for enterprise.

  • + Strong governance and compliance story
  • + Good for regulated enterprise
  • − Enterprise-priced
  • − Heavier than dev-focused tools

Latitude

Open-source prompt management and eval.

  • + Strong prompt-management workflow for teams
  • + Open source and self-hostable
  • − Eval features secondary to prompt management
  • − Smaller community
Spec Fiddler Latitude
Category eval-observability eval-observability
License Proprietary LGPL-3.0
Open source No Yes
Self-hostable No Yes
MCP support No No
Pricing paid freemium
Starting price Custom (enterprise) Self-host free
Models multi multi
Languages python typescript
GitHub stars — 4.3k
Last activity — 2026-06-25