LangfuseOpen Source Agent Evals & Observability
vs
ModalCloud infrastructure for teams that develop, train, and serve AI applications at scale.
Comparison · MLOps Platforms · weekly run Nov 2
Langfuse vs Modal
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Modal is the stronger AI pick in MLOps Platforms: it has a visibility score of 1.3 versus 0.3 for Langfuse.
Choose Langfuse if…
- You want a lower entry price ($29 vs $250)
- You need a self-hosted or on-premises option
- You need ISO 27001 or HIPAA-ready region or GDPR coverage
- Discounted cloud pricing for qualifying early-stage startups
Choose Modal if…
- You want the brand AI engines rank higher (1.3 vs 0.3)
- You need HIPAA coverage
- Strong for scaling cutting-edge generative AI and multi-modal models
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Langfuse | Modal |
|---|---|---|
| Visibility score | 0.3% | 1.3% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #51 | #36 |
| Share of voice | 0.2% | 0.5% |
| Mentions this run | 1 | 3 |
| Positive in AI answers | 50% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Langfuse 0pp · Modal 0pp over 0 weekly runs.
Engine by engine
Modal leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
LangfuseModal
Head to head in AI answers
0 engine answers name both brands
0Langfuse ranked higher
0Modal ranked higher
Features, pricing & fit
| Dimension | Langfuse | Modal |
|---|---|---|
| Pricing model | Usage-based | Usage-based |
| Entry price | Free; paid from $29 / mo | Free; paid from $250 / mo |
| Free plan | Yes | Yes |
| Deployment | Langfuse Cloud in US, EU, Japan and HIPAA regions, or self-hosted under the MIT license | Serverless cloud capacity pooled from more than 20 cloud providers, with regions across the US, Europe, Asia Pacific and other areas. |
| Integrations | 100+ | — |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA-ready region, GDPR | SOC 2 Type II, HIPAA |
| 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 | Modal Community Slack on Starter and Team plans, Private Slack support and embedded ML engineering services on Enterprise |
| Founded | — | 2021 |
| Headquarters | — | New York City, NY, United States |
| Employees | — | 201–500 |
| Funding | Seed · $4M raised | Series D · $1200M raised |
| Best for | Engineering teams building LLM applications and AI agents that want open-source, self-hostable tracing and evaluation | Startups, independent developers and larger teams that run GPU inference, fine-tuning or agent sandboxes and want to pay only for compute used. |
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
Modal
- Strong for scaling cutting-edge generative AI and multi-modal models
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Langfuse vs Modal”, https://slateindex.ai/compare/langfuse-vs-modal, data of Nov 2, 2026. Licence: CC BY 4.0.