# Numeral vs Vertex O Series (slim)

> Vertex O Series scores 54.7 (C) on agent readiness against Numeral's 49.3 (D), and leads in 4 of 7 scored categories. Numeral leads on schema & documentation, agent ergonomics and payments & pricing. Both do tax calculate. Category scores, facts, verdicts and agent notes side by…

- Full: https://www.anchorterminal.com/compare/numeral-vs-vertex-tax.md (~2,300 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/numeral-vs-vertex-tax.json · canonical https://www.anchorterminal.com/compare/numeral-vs-vertex-tax
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Vertex O Series scores 54.7 (C) on agent readiness against Numeral's 49.3 (D), and leads in 4 of 7 scored categories. Numeral leads on schema & documentation, agent ergonomics and payments & pricing. Both do tax calculate.

- Numeral: D 49.3, rank #611 of 722 · https://www.anchorterminal.com/tools/numeral.min.md
- Vertex O Series: C 54.7, rank #526 of 722 · https://www.anchorterminal.com/tools/vertex-tax.min.md
- Numeral, good for An agent working for a seller or platform that has a Numeral account and needs tax at checkout, committed transactions for filing, and read access to nexus, registrations and filings through MCP. Ahead on Schema & documentation, 87 against 74; Agent ergonomics, 71 against 51; Payments & pricing, 10 against 0.
- Vertex O Series, good for An agent working inside a company that already has an O Series licence, for quotes, invoice tax, tax area lookups and tax configuration across sales tax, use tax and VAT. Ahead on Reliability, 65 against 25; Security & auth, 57 against 47; Transparency & trust, 68 against 45.

| Category | Numeral | Vertex O Series |
| --- | --- | --- |
| Reliability (16%) | 25 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 74 |
| Agent ergonomics (13%) | 71 | 51 |
| Security & auth (14%) | 47 | 57 |
| Payments & pricing (10%) | 10 | 0 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 62 |
| Transparency & trust (7%) | 45 | 68 |

| Fact (where they differ) | Numeral | Vertex O Series |
| --- | --- | --- |
| Vendor | Numeral Two, Inc. | Vertex, Inc. |
| Hosted endpoint | `https://api.numeralhq.com` | `https://calcconnect.vertexsmb.com/vertex-ws/v2` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | API key | OAuth |
| Licence | Proprietary service under Numeral's terms of service. The Go, Python and Node SDKs are Apache-2.0 | Proprietary service under a customer agreement with Vertex, Inc. that isn't published |
| Tools exposed | 14 | none |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-09-15 | 2026-09-25 |
| Privacy policy last updated | no document linked | no date given |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 0 stars, 9 npm/wk, 19 PyPI/wk | none |