# Arize AI vs Browserbase: who uses which

On usedby, 35 companies use Arize AI and 19 use Browserbase. 1 company uses both, including Microsoft. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-10-06: 49 of 54 public lines checked.

## Side by side

|  | [Arize AI](https://www.usedby.ai/tools/arize-ai.md) | [Browserbase](https://www.usedby.ai/tools/browserbase.md) |
|---|---|---|
| Public customers | 35 | 19 |
| Confirmed | 7 | 0 |
| Observed | 28 | 19 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers (every proof level) | Marketing Tech (4), Travel & Hospitality (4), Artificial Intelligence (2) | Artificial Intelligence (7), Fintech & Payments (3), Data & Analytics (2) |
| Category | LLM observability & evals | Agent frameworks & AI gateways |
| Free trial | Free trial or free plan available. ([arize.com](https://arize.com/pricing/), checked 2026-10-04) | Free trial or free plan available. ([browserbase.com](https://www.browserbase.com/pricing), checked 2026-10-07) |
| Integrations | Antigravity, Claude Code, Codex, GitHub Copilot, Cursor, Devin, Gemini CLI, Kiro, Oh My Pi, OpenCode ([arize.com](https://arize.com/docs/ax/integrations), checked 2026-10-04) | — |
| Security | — | SOC 2 Type II, HIPAA ([trust.browserbase.com](https://trust.browserbase.com/), checked 2026-10-07) |

## Companies that use both

Every proof level counts; the proof level of each side is shown, strongest proofs first. The first public proof is not an adoption date.

| Company | Proof, Arize AI | Proof, Browserbase | First public proof, Browserbase |
|---|---|---|---|
| [Microsoft](https://www.usedby.ai/companies/microsoft.md) | Observed | Observed | On or before June 2026 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Arize AI: [Handshake](https://www.usedby.ai/case-studies/handshake-arize-ai.md): **15+**: “The approach enabled 15+ production use cases in the first six months” (captured by usedby 2026-10-05)
- Arize AI: [Booking.com](https://www.usedby.ai/case-studies/booking-com-arize-ai.md): story without a checked figure. (captured by usedby 2026-10-05)

---
Source: https://www.usedby.ai/compare/arize-ai-vs-browserbase · How we check: https://www.usedby.ai/methodology