Lunary Alternative · Self-hosted · Open Core

AgentLens vs Lunary
Production observability with EU compliance baked in.

Lunary is a clean LLM analytics tool with a focus on cost. AgentLens covers cost too — and adds quality scoring, hallucination detection, agent waterfalls, GDPR workflows, and verifiable air-gap mode.

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Quick Comparison

Feature-by-feature

Capability AgentLens Lunary
Cost analytics + per-model breakdown✓✓
Self-hosted deployment✓ open-core, BSL 1.1Apache-2.0
Multi-step agent waterfalls✓ trace_agent + spansLimited
Automatic quality + hallucination flags✓ heuristic, zero configManual eval
Air-gap mode (single env var)✓ tcpdump-verifiedManual
EU-hosted managed cloud (default)✓ FrankfurtMulti-region
Audit log + retention + right-to-erasure✓ Scale planLimited
Production support SLA✓ Scale+Enterprise add-on
Framework-agnostic SDK✓✓

Based on public Lunary pricing as of May 2026. Verify at https://lunary.ai/pricing.

When to choose what

Honest recommendation

Choose Lunary if…

  • You want a fully Apache-2.0 stack with no commercial restrictions
  • Cost analytics is your primary use case
  • You're on a tight budget ($20/mo Team)
  • You don't need deep multi-step agent traces or compliance docs

Choose AgentLens if…

  • You need agent waterfall debugging + quality scoring
  • Compliance posture (DPA, audit, retention) is a buyer requirement
  • EU residency / air-gap matter
  • You want production SLA on a managed plan
Migration

Switching from Lunary takes ~30 minutes

Both tools share a similar mental model. The SDK surface is different but migration is mechanical.

# Before (Lunary)
import lunary
lunary.config(app_id="...", verbose=True)
 
# After (AgentLens)
import agentlens
agentlens.init("http://localhost:8000/ingest")
agentlens.patch_openai() # or patch_anthropic()
FAQ

Common questions

How does AgentLens differ from Lunary?

Both cover cost + basic tracing. AgentLens adds quality scoring, hallucination detection, agent waterfalls, and GDPR workflows. Lunary is leaner; AgentLens is more comprehensive.

Can I migrate from Lunary?

Yes — same span/trace mental model. ~30 min mechanical migration.

Why pick AgentLens over Lunary?

Compliance posture, agent debugging depth, verifiable air-gap, EU-first managed cloud.

Ready to own your LLM data?

15-minute migration call. We'll map your Lunary setup to AgentLens and get you running.

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