ACE-StepvsOpenSearch
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| ACE-Step | OpenSearch | |
|---|---|---|
| Score | 77/100 | 76/100 |
| Rank in category | #13 of 124 in AI | #7 of 41 in Search Engines |
| GitHub stars | 14 158 | 13 930 |
| Stars, last 30 days | +1 290 | +155 |
| Stable releases, 12 months | 9 | 11 |
| Latest release | v0.1.8 · 18 May 2026 | 2.19.7 · 17 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | MIT | Apache-2.0 |
| Main language | Python | Java |
Which one should you pick?
ACE-Step scores 77/100 against 76/100 for OpenSearch, so it is the safer default.
OpenSearch ships more often: 11 stable releases in the past year, against 9 for ACE-Step.
ACE-Step is growing faster right now (+1 290 stars in 30 days).
ACE-Step details →OpenSearch details →
Swap a project
Keep ACE-Step, compare it with
Keep OpenSearch, compare it with