Headroom vs Instructor
An independent, evidence-based trust comparison of Headroom and Instructor, two LLM Gateways & Infra projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Headroom leads on trust — 73.0/100 (Grade B) vs 66.9/100 (Grade B), a 6.1-point gap. Note: Headroom's evidence coverage is thinner (coverage B vs A) — its score rests on fewer independent signal types. Full breakdown below.
| Signal | Headroomchopratejas/headroom | Instructor567-labs/instructor |
|---|---|---|
| HVTrust score | 73.0 | 66.9 |
| Evidence grade | B | B |
| Coverage grade | B | A |
| Overall rank | #102 | #155 |
| Rank in LLM Gateways & Infra | #3 | #4 |
| GitHub stars | 73.3k | 13.9k |
| Last updated | 2d ago | 3d ago |
| Build provenance | No | No |
| OSSF Scorecard | 5.0 / 10 | 5.6 / 10 |
| License | Apache-2.0 | MIT |
| Downloads | 74k/wk | 1.9M/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 10.9 | 8.8 |
| Identity & provenance / 18 | 10.8 | 10.8 |
| Transparency / 17 | 12.8 | 13.3 |
| Maintenance / 20 | 19.9 | 19.0 |
| Adoption / 20 | 18.2 | 18.3 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | — |
| External providers | 5 — Amazon Bedrock, Anthropic, Multi-provider (LiteLLM), … | 11 — Amazon Bedrock, Anthropic, Cohere, … |
| Requires API keys | Yes | No |
| Plugin surface | plugins | — |
| Provenance drift | Partial | Unknown |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.3 →