Skip to content
L

Langtrace

Open source LLM observability

Reviewed byRoman K· 2026-04-26

About

Trace, monitor, and debug LLM calls across OpenAI, Anthropic, and other providers. OpenTelemetry-native.

llm-observabilitytracingopentelemetryopen-source

Metrics

3.8k
GitHub Stars
250
Forks
60
Open Issues

More in AI & ML

Frequently asked questions

What is Langtrace?

Trace, monitor, and debug LLM calls across OpenAI, Anthropic, and other providers. OpenTelemetry-native. It falls under the ai & ml category and uses a freemium pricing model. The project is actively maintained with 3.8k GitHub stars.

Is Langtrace free?

Yes, Langtrace offers a free plan that you can use without a credit card. The pricing model is freemium.

How much does Langtrace cost?

Langtrace is free to start. It uses a freemium pricing model. A free plan is available for small projects or evaluation. Check https://langtrace.ai for the latest pricing details and plan comparison.

What category is Langtrace in?

Langtrace is a ai & ml tool. LLM APIs, ML platforms, vector databases You can compare Langtrace with 3 alternatives in the same category on Soft.xyz.

Is Langtrace open source?

Yes, Langtrace is open source and freely available on GitHub. It has 3.8k stars and 250 forks, with the last commit on 2026-04-26. You can inspect the source code, contribute, or self-host it.

What are alternatives to Langtrace?

Popular alternatives to Langtrace include Datadog, Sentry, OpenObserve. Each offers different pricing, features, and community support. You can compare them side-by-side on Soft.xyz using real metrics like GitHub stars, npm downloads, and actual pricing data.

How popular is Langtrace?

Langtrace has 3.8k stars on GitHub. It has a solid and growing developer community. The project was last updated on 2026-04-26.