LiteLLM vs Langfuse
Facts come from each vendor's own pages; download numbers are the headline package of each tool in 2026-W40.
| Fact | LiteLLM | Langfuse |
|---|---|---|
| PyPI downloads, week (rank) | 22,710,323 (#1)litellm | 6,306,471 (#3)langfuse |
| npm downloads, week (rank) | no npm SDK | 3,268,181 (#2)@langfuse/tracing |
| GitHub stars (rank) | 60,298 (#1)BerriAI/litellm | 35,491 (#2)langfuse/langfuse |
| PyPI series (12 weeks) | ||
| npm series (12 weeks) | no npm SDK | |
| Categories | Gateways with observability | Tracing & observability, Evaluation, Prompt management |
| Status | Generally available | Generally available |
| Licence | MIT (open core) | MIT (open core) |
| Self-host | Yes | Yes |
| OpenTelemetry | Exporter / bridge | Native (OTLP) |
| Pricing model | contact | usage |
| Entry price | Contact sales; Open Source $0 self-hosted; Enterprise is annual, sized to usage, price not published ('Talk to sales') | $29/mo; Core cloud plan, 100k units/month included then $8/100k units; Hobby is free (50k units/month); self-hosting is a separate free option |
| Free tier | Yes | Yes |
| Measurability | Measured (mapped SDK packages) | Measured (mapped SDK packages) |
| Sources | pricing · licence · self-host · OTel (checked 2026-10-07) | pricing · licence · self-host · OTel (checked 2026-10-07) |
More downloads means more package installs (including CI and dependencies), not a better product. See the methodology.