Know what your AI is built on.
Every model, provider, and agent your vendors run on — mapped, cited, and refreshed automatically.
The encyclopedia
75+ enterprise AI vendors, scored on Equity and Safety.
Foundation models, inference providers, agent platforms — each researched, sourced, and refreshed automatically.
Browse the encyclopediaOur thesis
Vendor questionnaires are self-reports.
They tell you what the vendor says about itself.
We read the supply chain itself —
and publish what we find.
What it does
A reference guide, posture anchor, and procurement profile.
Encyclopedia
Tracked models
- 88 / 1002h ago
Claude Sonnet 4.5
Anthropic · 4 models
- 74 / 1005h ago
GPT-5 Turbo
OpenAI · 6 models
- 81 / 1001d ago
Gemini 2.5 Pro
Google · 5 models
- 69 / 1001d ago
Llama 4 Maverick
Meta · 3 models
- 77 / 1002d ago
Mistral Large 3
Mistral · 2 models
Encyclopedia
Every model, mapped at a glance.
Browse a living encyclopedia of foundation models, inference providers, and the agents built on top — each entry researched, sourced, and refreshed automatically.
Tracing
Trace each request, root to leaf.
Which models the vendor runs. Who their subprocessors are. Where the data lands. A graph you can navigate.
Posture
One number, defensible reasoning.
A score across retention, training use, certifications, and access controls. Every input cited. Audit the verdict; don't just trust it.
Security score
Acme Copilot
- Data handling88%
- Certifications92%
- Access controls78%
- Model provenance62%
How it works
Research, map, decide.
We research.
Mantleline runs background research on every vendor in your stack — citations, certifications, supply chain.
We publish.
Every approved finding lands in the public encyclopedia — citations attached, ready for the next reviewer.
You decide.
Review the evidence, score the risk, sign off — or send it back. The work product travels with the vendor.
Pricing
Free to browse. Pay for what costs us money.
Free
$0
Browse the encyclopedia. Track up to 5 vendors.
Pro
$49/mo
Component score breakdowns, change alerts, vendor contacts.
Enterprise
Custom
SSO, audit log, vendor-claim verification.
0
Models tracked
0+
Supply-chain edges mapped
0
Compliance frameworks scored
0
Enforcement layers per request
Type II
SOC 2 Type II ready
Get started
If your AI footprint is bigger than your governance program, we’d like to help.