Arize AI vs Fiddler Labs, Inc.
Arize AI vs Fiddler Labs, Inc., compared side by side on 21 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 Fiddler Labs, Inc. on 58/100.
Where each one leads
Arize AI
- our overall score: 65/100 against 58/100
- headcount: 192 against 112
Fiddler Labs, Inc.
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Arize AI | Fiddler Labs, Inc. |
|---|---|---|
| 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. | Fiddler AI offers an AI Control Plane for enterprise agents, providing observability, security, and governance for the agentic lifecycle. |
| Category | AI Observability, LLM Evaluation, MLOps, Generative AI | MLOps, AI Observability, AI Explainability, Foundation Model |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2020 | 2019 |
| Headquarters | Berkeley, United States | Mountain View, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Arize AI | Fiddler Labs, Inc. |
|---|---|---|
| Employees | 192 | 112 |
| Headcount growthLast 12 months | +88.8% | Not published |
| Total funding | Not published | $39.0M |
| Latest round | Not published | Series B |
| LinkedIn followers | 26,630 | 21,906 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Arize AI | Fiddler Labs, Inc. |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 65/100 | 58/100 |
| Traction | 60/100 | 58/100 |
| Team | 70/100 | 30/100 |
| Community | 15/100 | 8/100 |
| Search visibility | 77/100 | 59/100 |
| Quality | 68/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (55/100) |
| Domain ratingLink authority, 0-100 | 77/100 | 71/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Arize AI | Fiddler Labs, Inc. |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Webflow |
| Frameworks | Jquery, Alpinejs, Tailwind CSS | Not detected |
| Analytics | Google Tag Manager, Hotjar | Google Tag Manager |
| Support stack | HubSpot | Not detected |
| Open source | Yes | Yes |
Arize AI vs Fiddler Labs, Inc.: common questions
Which is better, Arize AI or Fiddler Labs, Inc.?
On our 0-100 score Arize AI rates higher (65/100 against 58/100). 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 21 data points above: read the rows that match what you are buying for.
How do Arize AI and Fiddler Labs, Inc. compare on the numbers?
Arize AI leads on our overall score (65/100 against 58/100), headcount (192 against 112).
Read the full Arize AI review and pricing or the Fiddler Labs, Inc. review and pricing. You can also browse other Arize AI alternatives we track.