Registry › Compare › LibreChat vs Tambo

LibreChat vs Tambo

Tambo leads on trust: 80.6/100 (Grade A) against 73.5/100 (Grade B), a 7.1-point gap. LibreChat leads on maintenance and adoption, and rests on broader evidence; Tambo leads on supply-chain integrity and provenance. Note: Tambo's evidence coverage is thinner (coverage B vs A) — its score rests on fewer independent signal types.

B LibreChat 73.5

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User…

LibreChat-AI/LibreChat · #289 overall · #6 UI & App Builders · coverage A (4/5)

Choose LibreChat if maintenance and adoption matter most.

+6.1Maintenance: last push 1d ago, against 2d ago
+3.2Adoption: 637.5k weekly downloads against 28.7k
A vs BEvidence coverage: 4 of 5 independent signal types, against 3

A Tambo 80.6

Generative UI SDK for React

tambo-ai/tambo · #163 overall · #4 UI & App Builders · coverage B (3/5)

Choose Tambo if supply-chain integrity and provenance matter most.

+7.2Safety / Integrity: package provenance attested, against none
+7.2Identity / Provenance: package provenance attested, against none

Where they differ

11.2

Safety / IntegrityTambo +7.2

18.4

10.8

Identity / ProvenanceTambo +7.2

18.0

12.8

TransparencyLibreChat +0.3

12.5

19.9

MaintenanceLibreChat +6.1

13.8

18.9

AdoptionLibreChat +3.2

15.7

-0.1

Runtime calibrationTambo +2.3

+2.2

Full evidence table

An independent, evidence-based trust comparison of LibreChat and Tambo, two UI & App Builders projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	LibreChatLibreChat-AI/LibreChat	Tambotambo-ai/tambo
HVTrust score	73.5	80.6
Evidence grade	B	A
Coverage grade	A	B
Overall rank	#289	#163
Rank in UI & App Builders	#6	#4
GitHub stars	46.7k	11.2k
Last updated	1d ago	2d ago
Build provenance	No	Yes
OSSF Scorecard	5.0 / 10	4.7 / 10
License	MIT	MIT
Downloads	637k/wk	29k/wk
Trust dimensions (points earned)
Safety / integrity / 25	11.2	18.4
Identity & provenance / 18	10.8	18.0
Transparency / 17	12.8	12.5
Maintenance / 20	19.9	13.8
Adoption / 20	18.9	15.7
Runtime capability surface (full matrix)
MCP server	Implemented	Declared
External providers	4 — Anthropic, Google Gemini, OpenAI, …	2 — Anthropic, OpenAI
Requires API keys	No	Yes
Plugin surface	plugins	plugins
Provenance drift	—	Match

Open in the live compare tool → LibreChat profile Tambo profile More UI & App Builders →

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 →