Head to head · Prompt engineering tools
PromptLayer vs Langfuse
Pricing, features, India readiness and rating compared. PromptLayer rates highest.
PromptLayer4.4
Prompt management, evaluation and observability platform for AI engineering teams.
RecommendedAI poweredFree plan
| Compare | PromptLayer | Langfuse |
|---|---|---|
| Category | Prompt engineering tools | AI agent & LLM development platforms |
| Vendor | PromptLayer | Langfuse |
| Headquarters | New York, United States | Berlin, Germany |
| Made in India | No | No |
| Starting price | On request | Free plan |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Published pricing | Yes | Yes |
| Deployment | cloud | cloud |
| Mobile apps | No | No |
| Founded | — | 2022 |
| Best for | Startup, Small business, SMB | Startup, Small business, SMB |
| App Advisor rating | 4.4 / 5 | 4.4 / 5 |
PromptLayer: pros & cons
- +Free plan available to evaluate at zero cost
- +One of the top-ranked prompt engineering tools options in our catalogue
- +Covers more than one software category, reducing the number of tools you run
- −Global vendor — check India-specific compliance (GST, TDS) and support hours before you commit
Key features
- Prompt versioning and change history
- Side-by-side model and prompt comparison
- Evaluation against test datasets
- Automated scoring and LLM-as-judge
- Deploy prompts without redeploying code
- Collaboration for non-technical authors
Langfuse: pros & cons
- +Free plan available to evaluate at zero cost
- +Covers more than one software category, reducing the number of tools you run
- −Global vendor — check India-specific compliance (GST, TDS) and support hours before you commit
Key features
- LLM APIs and model hosting
- RAG and vector search
- Agent frameworks and tool calling
- Prompt management and evaluation
- Observability and cost tracking
- Guardrails and safety
Get an instant demo
See PromptLayer live, with an App Advisor discount
Frequently asked questions
Which is better, PromptLayer or Langfuse?+
PromptLayer scores higher on App Advisor's rating (4.4/5) for pricing transparency, India readiness and maturity. The right choice depends on your workflow — request demos of both.
Is PromptLayer cheaper than Langfuse?+
PromptLayer starts at On request and Langfuse at Free plan. Compare per-user costs at your team size, and remember GST is added on top.
Can I switch from PromptLayer to Langfuse?+
Most prompt engineering tools products import CSV or Excel data; check whether historical records, attachments and integrations move too before you switch.