Registry › Compare › Bernstein vs Codex

Bernstein vs Codex

Both are Grade A and 1.7 points apart, so choose on what you weigh most. Bernstein leads on supply-chain integrity and transparency; Codex leads on adoption.

A Bernstein 88.2

The open-source governance layer for AI agents: write the rules declaratively, Bernstein enforces them and produces the verifiable, replayable record. Free, Apache-2.0. https://bernstein.run

sipyourdrink-ltd/bernstein · #57 overall · #5 Coding Agents · coverage B (3/5)

Choose Bernstein if supply-chain integrity and transparency matter most.

+6.3Safety / Integrity: 100% of recent commits signed, against 0%
+0.9Transparency: OSSF Scorecard 7.0 against 5.9

A Codex 89.9

Lightweight coding agent that runs in your terminal

openai/codex · #28 overall · #3 Coding Agents · coverage B (3/5)

Choose Codex if adoption matters most.

+6.6Adoption: 28.3M weekly downloads against 26.8k

Where they differ

21.2

Safety / IntegrityBernstein +6.3

14.9

14.4

TransparencyBernstein +0.9

13.5

19.9

MaintenanceCodex +0.1

20.0

13.4

AdoptionCodex +6.6

20.0

+1.3

Runtime calibrationCodex +2.2

+3.5

1 dimension identical: Identity 18.0 · Full evidence table

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.

Full evidence

Signal	Bernsteinsipyourdrink-ltd/bernstein	Codexopenai/codex
HVTrust score	88.2	89.9
Evidence grade	A	A
Coverage grade	B	B
Overall rank	#57	#28
Rank in Coding Agents	#5	#3
GitHub stars	1.3k	132.9k
Last updated	1d ago	today
Build provenance	Yes	Yes
OSSF Scorecard	7.0 / 10	5.9 / 10
License	Apache-2.0	Apache-2.0
Downloads	27k/wk	28.3M/wk
Trust dimensions (points earned)
Safety / integrity / 25	21.2	14.9
Identity & provenance / 18	18.0	18.0
Transparency / 17	14.4	13.5
Maintenance / 20	19.9	20.0
Adoption / 20	13.4	20.0
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

Open in the live compare tool → Bernstein profile Codex profile More Coding Agents →

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 v4.4 →