Feast AI vs Langfuse
Feast AI vs Langfuse, compared side by side on 14 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Feast AI is on 54/100 and Langfuse on 55/100.
Where each one leads
Feast AI
Leads on none of the measures we hold for both companies.
Langfuse
- agent readiness: 43/100 against 25/100
- domain rating: 79/100 against 69/100
At a glance
| Measure | Feast AI | Langfuse |
|---|---|---|
| What it is | An open-source feature store for managing and serving data for AI/ML models in production. | Open-source LLM engineering platform for debugging, monitoring, and improving production-grade LLM applications. |
| Category | MLOps, Data Platform, Foundation Model, Large Language Model | MLOps, Observability, Developer Tools, API Platform |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2018 | 2022 |
| Headquarters | San Francisco, United States | Berlin, Germany |
| Status | Active | Active |
Size, funding and growth
| Measure | Feast AI | Langfuse |
|---|---|---|
| Employees | Not published | 21 |
| Headcount growthLast 12 months | Not published | +81.0% |
| Total funding | Not published | $2.5M |
| Latest round | Not published | Seed |
| LinkedIn followers | Not published | 13,143 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Feast AI | Langfuse |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 54/100 | 55/100 |
| Traction | Not published | 45/100 |
| Team | 12/100 | 70/100 |
| Search visibility | Not published | 58/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (25/100) | D (43/100) |
| Domain ratingLink authority, 0-100 | 69/100 | 79/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Feast AI | Langfuse |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Fastly | Vercel |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Analytics | Not detected | Google Analytics 4, Google Tag Manager, Segment |
| Support stack | Not detected | HubSpot |
| Open source | Yes | Yes |
| Self-hostable | Yes | No |
Product and pricing
| Measure | Feast AI | Langfuse |
|---|---|---|
| Key features | Not published | Full Context Tracing, Cost & Latency Monitoring, Output Quality Evaluation, Prompt Management & Experimentation, Testing & Benchmarking |
Feast AI vs Langfuse: common questions
Which is better, Feast AI or Langfuse?
On our 0-100 score Langfuse rates higher (55/100 against 54/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 14 data points above: read the rows that match what you are buying for.
How do Feast AI and Langfuse compare on the numbers?
Langfuse leads on agent readiness (43/100 against 25/100), domain rating (79/100 against 69/100).
Read the full Feast AI review and pricing or the Langfuse review and pricing. You can also browse other Feast AI alternatives we track.