LangfuseOpen Source Agent Evals & Observability
vs
ValohaiThe MLOps Platform for LLMs and Specialized Models
Comparison · MLOps Platforms · weekly run Nov 2
Langfuse vs Valohai
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Valohai is the stronger AI pick in MLOps Platforms: it has a visibility score of 1.9 versus 0.3 for Langfuse.
Choose Langfuse if…
- You want a free plan to start
- AI answers describe it more positively (50% vs 20% positive)
- You need ISO 27001 or HIPAA-ready region or GDPR coverage
- Usage-based pricing suits your budget better than per seat
Choose Valohai if…
- You want the brand AI engines rank higher (1.9 vs 0.3)
- Per seat pricing suits your budget better than usage-based
- 14-day free trial
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Langfuse | Valohai |
|---|---|---|
| Visibility score | 0.3% | 1.9% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #51 | #30 |
| Share of voice | 0.2% | 0.7% |
| Mentions this run | 1 | 5 |
| Positive in AI answers | 50% | 20% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Langfuse 0pp · Valohai 0pp over 0 weekly runs.
Engine by engine
Valohai leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
LangfuseValohai
Head to head in AI answers
0 engine answers name both brands
0Langfuse ranked higher
0Valohai ranked higher
Features, pricing & fit
| Dimension | Langfuse | Valohai |
|---|---|---|
| Pricing model | Usage-based | Per seat |
| Entry price | Free; paid from $29 / mo | Contact sales |
| Free plan | Yes | No · 14-day trial |
| Deployment | Langfuse Cloud in US, EU, Japan and HIPAA regions, or self-hosted under the MIT license | Managed cloud, on-premises, private cloud or air-gapped environments, on the customer's own cloud infrastructure |
| Integrations | 100+ | — |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA-ready region, GDPR | SOC 2 Type II |
| Support | Community support via GitHub, In-app support, Private Slack or MS Teams channel on Pro and Enterprise plans, Named lead support engineer on Enterprise plans | Technical support from the Customer Engineering team, Valohai Training academy, Training and onboarding resources |
| Founded | — | 2016 |
| Headquarters | — | San Francisco, California, US |
| Employees | — | 11–50 |
| Funding | Seed · $4M raised | Seed · $2M raised |
| Best for | Engineering teams building LLM applications and AI agents that want open-source, self-hostable tracing and evaluation | AI product and ML teams that combine LLMs with specialized models and need to run the work on their own cloud or on-premises infrastructure |
Plans side by side
Pros and cons
Themes from the AI answers that mention each brand
Langfuse
- Discounted cloud pricing for qualifying early-stage startups
- Well suited to evaluating and debugging LLM or agent behavior
Valohai
- 14-day free trial
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Langfuse vs Valohai”, https://slateindex.ai/compare/langfuse-vs-valohai, data of Nov 2, 2026. Licence: CC BY 4.0.