# OpenRouter vs SigNoz: who uses which

On usedby, 28 companies use OpenRouter and 52 use SigNoz. 1 company uses both, including Portkey. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-11-13: 80 of 80 public lines checked.

## Side by side

|  | [OpenRouter](https://www.usedby.ai/tools/openrouter.md) | [SigNoz](https://www.usedby.ai/tools/signoz.md) |
|---|---|---|
| Public customers | 28 | 52 |
| Confirmed | 3 | 10 |
| Observed | 20 | 42 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers (every proof level) | DevTools & Infrastructure (9), Artificial Intelligence (8), Gaming & Esports (2) | Artificial Intelligence (6), DevTools & Infrastructure (3), Sales Tech & CRM (2) |
| Category | Agent frameworks & AI gateways | LLM observability & evals |
| Security | SOC 2 Type II ([trust.openrouter.ai](https://trust.openrouter.ai/), checked 2026-11-10) | — |
| Data processing terms | A data processing agreement is available. ([trust.openrouter.ai](https://trust.openrouter.ai/), checked 2026-11-10) | — |
| Free trial | Free trial or free plan available. ([openrouter.ai](https://openrouter.ai/pricing), checked 2026-11-10) | — |

## 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, OpenRouter | Proof, SigNoz | First public proof, OpenRouter |
|---|---|---|---|
| [Portkey](https://www.usedby.ai/companies/portkey.md) | Observed | Observed | On or before October 2026 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- OpenRouter: [Pax Historia](https://www.usedby.ai/case-studies/pax-historia-openrouter.md): **35k**: “Multiply that by 35k daily players” (captured by usedby 2026-10-31)
- OpenRouter: [Descript](https://www.usedby.ai/case-studies/descript-openrouter.md): **1–2 hours**: “1+ week → 1–2 hours” (captured by usedby 2026-10-31)
- SigNoz: [Mailmodo](https://www.usedby.ai/case-studies/mailmodo-signoz.md): **6 hours**: “save 6 hours of precious developer time on an average daily” (captured by usedby 2026-11-13)
- SigNoz: [Outplay](https://www.usedby.ai/case-studies/outplay-signoz.md): **35%**: “the backend response time is 35% faster” (captured by usedby 2026-11-13)

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