Langfuse VS LangFast

Let’s have a side-by-side comparison of Langfuse vs LangFast to find out which one is better. This software comparison between Langfuse and LangFast is based on genuine user reviews. Compare software prices, features, support, ease of use, and user reviews to make the best choice between these, and decide whether Langfuse or LangFast fits your business.

Langfuse

Langfuse
Learn More | Visit Site
Unlock the full potential of LLM apps with Langfuse. Trace, debug, and improve performance with observability and analytics. Open-source and customizable.

LangFast

LangFast
Learn More | Visit Site
Test, compare & refine prompts across 50+ LLMs instantly—no API keys or sign-ups. Enforce JSON schemas, run tests, and collaborate. Build better AI faster with LangFast.

Langfuse

Launched 2023-04
Pricing Model Free
Starting Price
Tech used Cloudflare Analytics,Cloudflare CDN,Next.js,Vercel,Webpack,HSTS
Tag Code Development,Data Analysis,Prompt Management

LangFast

Launched 2025-02
Pricing Model Free Trial
Starting Price $60
Tech used
Tag Developer Tools,Prompt Management,Prompt Generators

Langfuse Rank/Visit

Global Rank 57335
Country United States
Month Visit 624773

Top 5 Countries

24.97%
11.47%
6.93%
6.75%
6.04%
United States China India Armenia Germany

Traffic Sources

2.14%
0.87%
0.11%
9.13%
37.54%
50.15%
social paidReferrals mail referrals search direct

LangFast Rank/Visit

Global Rank 5364067
Country
Month Visit 2761

Top 5 Countries

Traffic Sources

Estimated traffic data from Similarweb

What are some alternatives?

When comparing Langfuse and LangFast, you can also consider the following products

Teammate Lang - We're in Public Preview now! Teammate Lang is all-in-one solution for LLM App developers and operations. No-code editor, Semantic Cache, Prompt version management, LLM data platform, A/B testing, QA, Playground with 20+ models including GPT, PaLM, Llama, Cohere.

LangSmith - Build and deploy LLM apps with confidence. A unified platform for debugging, testing, evaluating, and monitoring.

LangWatch - LangWatch provides an easy, open-source platform to improve and iterate on your current LLM pipelines, as well as mitigating risks such as jailbreaking, sensitive data leaks and hallucinations.

Langbase - Langbase empowers any developer to build & deploy advanced serverless AI agents & apps. Access 250+ LLMs and composable AI pipes easily. Simplify AI dev.

More Alternatives
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