# Phase vs Pulumi ESC (slim)

> Pulumi ESC scores 71.1 (BB) on agent readiness against Phase's 68 (B), and leads in 3 of 7 scored categories. Phase leads on reliability and transparency & trust. Both do secrets store. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/phase-vs-pulumi-esc.md (~2,500 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/phase-vs-pulumi-esc.json · canonical https://www.anchorterminal.com/compare/phase-vs-pulumi-esc
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Pulumi ESC scores 71.1 (BB) on agent readiness against Phase's 68 (B), and leads in 3 of 7 scored categories. Phase leads on reliability and transparency & trust. Both do secrets store.

- Phase: B 68, rank #194 of 722 · https://www.anchorterminal.com/tools/phase.min.md
- Pulumi ESC: BB 71.1, rank #120 of 722 · https://www.anchorterminal.com/tools/pulumi-esc.min.md
- Phase, good for Small teams that want an open-source secrets manager hosted in the EU or self-hosted, with coding agents kept away from values through the CLI. Ahead on Reliability, 91 against 60; Transparency & trust, 73 against 65. Also Open source.
- Pulumi ESC, good for Teams already on Pulumi, or anyone who wants one place that composes static secrets, other vaults and short-lived cloud credentials, and agents that need to start with no signup. Ahead on Schema & documentation, 82 against 58; Agent ergonomics, 75 against 56; Payments & pricing, 55 against 25. Also Agent-ready, a grade of BB or better; Free to start without a card.

| Category | Phase | Pulumi ESC |
| --- | --- | --- |
| Reliability (16%) | 91 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 58 | 82 |
| Agent ergonomics (13%) | 56 | 75 |
| Security & auth (14%) | 83 | 79 |
| Payments & pricing (10%) | 25 | 55 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 82 |
| Transparency & trust (7%) | 73 | 65 |

| Fact (where they differ) | Phase | Pulumi ESC |
| --- | --- | --- |
| Vendor | Phi Security Inc. | Pulumi Corporation |
| Hosted endpoint | `https://api.phase.dev` | `https://api.pulumi.com` |
| Licence | MIT outside the `ee/` directories, which are under the proprietary Phase Console Enterprise licence | Proprietary service under Pulumi's Terms & Conditions. The Pulumi CLI, the ESC evaluator and the ESC SDKs are Apache-2.0 |
| Read-only variant documented | no | yes |
| Last release | 2026-10-04 | 2026-10-07 |
| Terms last updated | 2025-10-06 | no date given |
| Privacy policy last updated | 2026-03-11 | no date given |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | not found in the text | yes |
| Popularity | 928 stars, 2.5k npm/wk, 235 PyPI/wk | 21k npm/wk, 54k PyPI/wk |