Langfuse for Research & Education

Robust LLM research should not be gated by infrastructure cost. Langfuse delivers end‑to‑end observability and evaluation for language‑model systems, in open-source and with generous academic benefits. Langfuse scales from coursework to large‑scale experiments.

Offer Overview

TLDR; Langfuse has a generous free offering to get you started. Beyond this, the US $200 monthly fast grant covers the entire Core Plan base fee plus additional usage. Approved research grants can lift limits entirely.

1. Free Plan & OSS

Who it's for: Anyone, no verification needed

Benefits:

• Langfuse Cloud Free Plan | 50k usage units / month
• Self‑host: Unlimited use of MIT‑licensed open‑source

How to start: Sign up to Langfuse Cloud or deploy via Docker/Kubernetes

2. Langfuse Fast Grant Most Popular

Who it's for: Self certified: Researcher, Academic, Student, Teacher

Benefits:

• US $200 monthly credit towards any Cloud plan
• Unlimited collaborators

3. Langfuse Research Grant

Who it's for: University labs, large thesis or teaching projects, student teams needing more

Benefits:

• Complimentary Enterprise licence for on‑prem/self‑host or
• Larger Cloud credit allotments (up to 100% granted)

How to start: Email research@langfuse.com with your academic address.

Why Langfuse?

• Open Source, MIT‑licensed – inspect, extend, and cite confidently.
• Deep Ecosystem Integrations – LangChain, LlamaIndex, OpenAI, DSpy, Ollama, Hugging Face and more.
• Reproducibility – deterministic trace storage, versioned prompt experiments, and built‑in dataset snapshots.
• Flexible Deployment – fully‑managed Cloud, dedicated VPC, or self‑hosted Kubernetes/Helm chart.

Eligibility

1. You are enrolled, employed, or formally affiliated with an accredited academic or research institution or your work is intended for peer‑review publication.
2. The workload is non‑commercial. (Spin‑outs and start‑ups should see the Startups Program.)

There is no funding cap: grant‑funded or industry‑sponsored research is eligible.

How to Activate

Free Plan & OSS

• Cloud: Create a workspace on Langfuse Cloud and stay on the Free tier.
• Self‑host: docker compose up or apply the Helm chart/Terraform from GitHub—no licence key required.

Self‑serve Academic Credit (Langfuse Fast Grant)

1. Sign up to Langfuse Cloud with your academic address.
2. Fill out this form: https://forms.gle/GLwLmS8X4Vy1dLxJ6
3. You will receive a Coupon Code if you meet eligibility criteria.
4. Apply the Coupon Code when you upgrade to Core/Pro from your Langfuse Account.

Research Grant Application

1. Send an email with your project/proposal to research@langfuse.com
2. Our team verifies eligibility (within ~48 h).
3. We email either an expanded Cloud credit code or an Enterprise licence key for self‑hosting.

Citing Langfuse in Your Work

If Langfuse supported your research, please cite us. Find the Langfuse BibTeX entry below.

@misc{langfuse,
  title  = {Langfuse — Open‑Source LLM Engineering Platform},
  author = {Rawert, Clemens and Klingen, Marc and Deichmann, Maximilian},
  year   = {2023},
  note   = {Software available from https://langfuse.com},
  url    = {https://langfuse.com/}
}

Share your published paper or pre‑print with research@langfuse.com or tag @langfuse in your social posts; we are happy to amplify it.

Become a Campus Ambassador

Help peers adopt best‑practice LLM observability:

• Lead a workshop or guest lecture using Langfuse dashboards.
• Organise a hackathon or reading group on evaluation methods.
• Contribute integration examples to our open‑source repository.

Interested? Email research@langfuse.com with a short proposal. We supply resources, swag, and technical support.

Terms & Fine Print

• Credits reset monthly; unused amounts do not roll over.
• We may request proof of affiliation and reserve the right to revoke benefits in cases of abuse.
• Programme details may evolve, but active grants remain valid for their full term.

Ready to instrument your next experiment? Sign up to Langfuse Cloud or self‑host today.