Bernstein vs Codex
An independent, evidence-based trust comparison of Bernstein and Codex, two Coding Agents projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Codex leads on trust — 89.7/100 (Grade A) vs 88.1/100 (Grade A), a 1.6-point gap. Full breakdown below.
| Signal | Bernsteinsipyourdrink-ltd/bernstein | Codexopenai/codex |
|---|---|---|
| HVTrust score | 88.1 | 89.7 |
| Evidence grade | A | A |
| Coverage grade | B | B |
| Overall rank | #36 | #18 |
| Rank in Coding Agents | #4 | #2 |
| GitHub stars | 1.2k | 125.1k |
| Last updated | today | today |
| Build provenance | Yes | Yes |
| OSSF Scorecard | 6.9 / 10 | 6.0 / 10 |
| License | Apache-2.0 | Apache-2.0 |
| Downloads | 27k/wk | 260k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 21.0 | 15.0 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 14.4 | 13.6 |
| Maintenance / 20 | 20.0 | 20.0 |
| Adoption / 20 | 13.3 | 19.5 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Implemented |
| External providers | 3 — Amazon Bedrock, E2B, OpenAI | 1 — OpenAI |
| Requires API keys | Yes | No |
| Plugin surface | plugins | extensions |
| Provenance drift | Match | Match |
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 →