# Metronome vs Orb (slim)

> Metronome scores 69.7 (B) to Orb's 66.5 (B) for usage billing. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/metronome-vs-orb.md (~2,250 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/metronome-vs-orb.json · canonical https://www.anchorterminal.com/compare/metronome-vs-orb
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Metronome scores 69.7 (B) on agent readiness against Orb's 66.5 (B), and leads in 2 of 7 scored categories. Orb leads on reliability and agent ergonomics. Both do usage billing.

- Metronome: B 69.7, rank #173 of 950 · https://www.anchorterminal.com/tools/metronome.min.md
- Orb: B 66.5, rank #289 of 950 · https://www.anchorterminal.com/tools/orb.min.md
- Metronome, good for A company that meters usage and bills on contracts, credits and commits, with invoices delivered through Stripe, NetSuite or cloud marketplaces. Ahead on Security & auth, 68 against 55; Payments & pricing, 39 against 5.
- Orb, good for A software or AI company that bills on usage and needs event metering, plan versioning, prepaid credits, invoicing and revenue reporting behind one API, with Stripe or Adyen collecting the money. Ahead on Reliability, 77 against 68; Agent ergonomics, 84 against 75.

| Category | Metronome | Orb |
| --- | --- | --- |
| Reliability (16%) | 68 | 77 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 88 |
| Agent ergonomics (13%) | 75 | 84 |
| Security & auth (14%) | 68 | 55 |
| Payments & pricing (10%) | 39 | 5 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 82 | 82 |
| Transparency & trust (7%) | 65 | 65 |

| Fact (where they differ) | Metronome | Orb |
| --- | --- | --- |
| Vendor | Metronome (Stripe) | Orb, Inc. |
| Hosted endpoint | `https://api.metronome.com` | `https://api.withorb.com/v1` |
| Pricing | Pay per use | Paid |
| Licence | Proprietary service under the Stripe Services Agreement. The SDKs on GitHub are Apache-2.0 | Proprietary service under Orb's Platform Terms and Conditions. The SDKs on GitHub are Apache-2.0 |
| Last release | 2026-09-29 | 2026-10-09 |
| Terms last updated | 2026-09-28 | 2024-11-13 |
| Privacy policy last updated | 2026-04-28 | 2025-05-07 |
| Customer content may train models | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 7 stars, 363k npm/wk | 5 stars, 185k npm/wk |