Arize AI vs Langfuse
Arize AI vs Langfuse, compared side by side on 22 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: Arize AI is on 65/100 and Langfuse on 55/100.
Where each one leads
Arize AI
- our overall score: 65/100 against 55/100
- agent readiness: 50/100 against 43/100
- headcount: 192 against 21
- LinkedIn following: 26,630 against 13,143
Langfuse
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Arize AI | Langfuse |
|---|---|---|
| What it is | Arize AI provides an AI observability and LLM evaluation platform for AI engineers to monitor, debug, and improve AI models in production. | Open-source LLM engineering platform for debugging, monitoring, and improving production-grade LLM applications. |
| Category | AI Observability, LLM Evaluation, MLOps, Generative AI | MLOps, Observability, Developer Tools, API Platform |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2020 | 2022 |
| Headquarters | Berkeley, United States | Berlin, Germany |
| Status | Active | Active |
Size, funding and growth
| Measure | Arize AI | Langfuse |
|---|---|---|
| Employees | 192 | 21 |
| Headcount growthLast 12 months | +88.8% | +81.0% |
| Total funding | Not published | $2.5M |
| Latest round | Not published | Seed |
| LinkedIn followers | 26,630 | 13,143 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Arize AI | Langfuse |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 65/100 | 55/100 |
| Traction | 60/100 | 45/100 |
| Team | 70/100 | 70/100 |
| Community | 15/100 | Not published |
| Search visibility | 77/100 | 58/100 |
| Quality | 68/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (43/100) |
| Domain ratingLink authority, 0-100 | 77/100 | 79/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Arize AI | Langfuse |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | WordPress | Not detected |
| Frameworks | Jquery, Alpinejs, Tailwind CSS | Next.js, Tailwind CSS |
| Analytics | Google Tag Manager, Hotjar | Google Analytics 4, Google Tag Manager, Segment |
| Support stack | HubSpot | HubSpot |
| Open source | Yes | Yes |
Product and pricing
| Measure | Arize AI | Langfuse |
|---|---|---|
| Key features | Not published | Full Context Tracing, Cost & Latency Monitoring, Output Quality Evaluation, Prompt Management & Experimentation, Testing & Benchmarking |
Arize AI vs Langfuse: common questions
Which is better, Arize AI or Langfuse?
On our 0-100 score Arize AI rates higher (65/100 against 55/100). 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 22 data points above: read the rows that match what you are buying for.
How do Arize AI and Langfuse compare on the numbers?
Arize AI leads on our overall score (65/100 against 55/100), agent readiness (50/100 against 43/100), headcount (192 against 21), LinkedIn following (26,630 against 13,143).
Read the full Arize AI review and pricing or the Langfuse review and pricing. You can also browse other Arize AI alternatives we track.