Which is more popular, jcode or Langfuse?

Langfuse has more GitHub stars (35,266 vs 20,249).

Which is more actively developed, jcode or Langfuse?

jcode had more commits in the last 90 days (4,695 vs 2,011).

Should I use jcode or Langfuse?

Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.

jcode vs Langfuse

Side-by-side comparison of two AI agent tools

Short answer

Langfuse is growing faster: +1,816 GitHub stars in the last 30 days vs +150 for jcode.
Pick jcode for: the most RAM efficient harness. Pick Langfuse for: open-source LLM engineering platform for observability, evaluation, prompt and dataset management.

From GitHub data refreshed daily.

jcodeopen-source

The most RAM efficient harness

Langfuseopen-source

Open-source LLM engineering platform for observability, evaluation, prompt and dataset management

Metrics

	jcode	Langfuse
Stars	20.2k	35.3k
Star velocity /mo	150	1.8k
Commits (90d)	4.7k	2.0k
Releases (6m)	10	10
Overall score	0.8060041555193902	0.9092500952300576

Pros

+Open source with MIT license allowing full customization and transparency, plus active community support
+Comprehensive feature set combining observability, prompt management, evaluations, and datasets in one platform
+Extensive integrations with major LLM frameworks and tools including OpenTelemetry, LangChain, and OpenAI SDK

Cons

-May require significant setup and configuration for self-hosted deployments
-Could be overwhelming for simple use cases that only need basic LLM monitoring
-Self-hosting requires technical expertise and infrastructure resources

Use Cases

•Production LLM application monitoring to track performance, costs, and identify issues in real-time
•Prompt engineering and management for teams collaborating on optimizing model prompts and tracking versions
•LLM evaluation and testing to measure model performance across different datasets and use cases

View jcode Details View Langfuse Details

FAQ

Which is more popular, jcode or Langfuse?: Langfuse has more GitHub stars (35,266 vs 20,249).
Which is more actively developed, jcode or Langfuse?: jcode had more commits in the last 90 days (4,695 vs 2,011).
Should I use jcode or Langfuse?: Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.