A agentindex
Comparison

Fiddler vs Laminar

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

Laminar

Open-source observability and eval for AI agents.

  • + Open source with a Rust core for performance
  • + Built-in eval and datasets
  • − Smaller community
  • − Newer project
Spec Fiddler Laminar
Category eval-observability eval-observability
License Proprietary Apache-2.0
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, rust
GitHub stars — 3.0k
Last activity — 2026-06-25