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A data-grounded look at how these two coding & development tools stack up — to help you pick the right coding & development tool in 2026.
Quick verdict
Galileo takes a 0.3-point lead on our Editor Score. Pick Galileo if you want 20+ pre-built evaluations for RAG, agents, and safety; choose Langfuse for detailed tracing of LLM and agent calls. On pricing, both ship a free or freemium tier, so you can try each before paying.
| Pricing | Freemium | Freemium |
| Free tier | ||
| Best for | 20+ pre-built evaluations for RAG, agents, and safety | detailed tracing of LLM and agent calls |
Evaluation and observability for LLM apps and agents
Open source LLM observability and evaluation platform
Choose Galileo if…
Choose Langfuse if…
It comes down to fit, not a single winner: Galileo leans into 20+ pre-built evaluations for RAG, agents, and safety, while Langfuse is built for detailed tracing of LLM and agent calls. Weigh features and pricing for your workflow. Both have a free or freemium tier, so spin up each and keep the one that clicks.
Neither is universally better — it depends on your budget and which features matter most. The side-by-side breakdown above shows where each one wins.
Galileo (freemium) is best for 20+ pre-built evaluations for RAG, agents, and safety, while Langfuse (freemium) is best for detailed tracing of LLM and agent calls. See the full feature and pricing comparison above.
Both have paid plans — pricing depends on your usage tier. Open each tool's review for current prices, and watch for free trials.
Galileo is usually the easier starting point thanks to a lower barrier to entry. Beginners should favour a free tier and a simple interface over raw power.
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Last updated August 2026. Comparisons are ranked by our Editor Score (features, value and pricing, blended with verified user reviews where a tool has them) — see our methodology.