# Kernel vs Mem0: who uses which

On usedby, 17 companies use Kernel and 16 use Mem0. 1 company uses both, including Vercel. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-10-25: 33 of 33 public lines checked.

## Side by side

|  | [Kernel](https://www.usedby.ai/tools/kernel.md) | [Mem0](https://www.usedby.ai/tools/mem0.md) |
|---|---|---|
| Public customers | 17 | 16 |
| Confirmed | 8 | 0 |
| Observed | 9 | 16 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers (every proof level) | Artificial Intelligence (2), DevTools & Infrastructure (2), Fintech & Payments (1) | Artificial Intelligence (3), Semiconductors & Hardware (3), DevTools & Infrastructure (2) |
| Category | Agent frameworks & AI gateways | Agent frameworks & AI gateways |
| Data processing terms | — | A data processing agreement is available. ([trust.mem0.ai](https://trust.mem0.ai/), checked 2026-10-07) |
| Free trial | — | Free trial or free plan available. ([mem0.ai](https://mem0.ai/pricing), checked 2026-10-07) |
| Integrations | — | AgentOps, Agno, Antigravity, AutoGen, AWS Bedrock, Camel AI, ChatDev, Claude Code, Codex, CrewAI, Cursor, Dify ([mem0.ai](https://mem0.ai/integrations), 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, Kernel | Proof, Mem0 | First public proof, Mem0 |
|---|---|---|---|
| [Vercel](https://www.usedby.ai/companies/vercel.md) | Observed | Observed | On or before September 2026 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Kernel: [Stably](https://www.usedby.ai/case-studies/stably-kernel.md): **333x**: “cutting browser cold starts by 333x” (published 2026-05-26)
- Kernel: [Flint](https://www.usedby.ai/case-studies/flint-kernel.md): **167x**: “167x faster cold starts” (published 2026-03-30)

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Source: https://www.usedby.ai/compare/kernel-vs-mem0 · How we check: https://www.usedby.ai/methodology