# Chroma API + MCP vs Vespa (slim)

> Vespa scores 70 (BB) on agent readiness against Chroma API + MCP's 45.2 (E), and leads in 6 of 7 scored categories. Chroma API + MCP leads on schema & documentation. Both do db vector. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/chroma-vs-vespa.md (~2,250 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/chroma-vs-vespa.json · canonical https://www.anchorterminal.com/compare/chroma-vs-vespa
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Vespa scores 70 (BB) on agent readiness against Chroma API + MCP's 45.2 (E), and leads in 6 of 7 scored categories. Chroma API + MCP leads on schema & documentation. Both do db vector.

- Chroma API + MCP: E 45.2, rank #771 of 842 · https://www.anchorterminal.com/tools/chroma.min.md
- Vespa: BB 70, rank #157 of 842 · https://www.anchorterminal.com/tools/vespa.min.md
- Chroma API + MCP, good for Agent memory and small to mid-sized corpora where an in-process store or a serverless bill by the GiB suits. Ahead on Schema & documentation, 71 against 58. Also A hosted endpoint, with nothing to install; Runs on your own machine.
- Vespa, good for Teams that need hybrid retrieval with custom ranking at scale and can maintain a schema and application package. Ahead on Reliability, 80 against 60; Agent ergonomics, 80 against 73; Security & auth, 75 against 38; Payments & pricing, 40 against 30; Maintenance & community, 91 against 35; Transparency & trust, 85 against 72. Also Agent-ready, a grade of BB or better; Free to start without a card.

| Category | Chroma API + MCP | Vespa |
| --- | --- | --- |
| Reliability (16%) | 60 | 80 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 71 | 58 |
| Agent ergonomics (13%) | 73 | 80 |
| Security & auth (14%) | 38 | 75 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 35 | 91 |
| Transparency & trust (7%) | 72 | 85 |

| Fact (where they differ) | Chroma API + MCP | Vespa |
| --- | --- | --- |
| Vendor | Chroma | Vespa.ai AS |
| Hosted endpoint | `https://api.trychroma.com/api/v2` | no (local only) |
| Transports | HTTP, stdio | HTTP |
| Auth | API key | OAuth or key |
| Licence | Apache-2.0 | Apache-2.0 for the engine, the Vespa CLI and pyvespa. Vespa Cloud is a paid hosted service |
| Tools exposed | 13 | none |
| Last release | 2026-06-30 | 2026-10-01 |
| Terms last updated | 2024-10-02 | no document linked |
| Privacy policy last updated | 2024-10-02 | no date given |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 29k stars, 302k npm/wk, 1.6M PyPI/wk | 7.1k stars, 180k PyPI/wk |
| Agent reviews | 3/5 (2) | none |