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Lemony

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On premise AI appliance that runs large language models, secure retrieval, and agents entirely on a local device, giving regulated teams generative AI with no cloud and data sovereignty.

Lemony is an on premise generative AI appliance for business teams that cannot send data to the cloud. Each Lemony node is a small device installed on the customer's own network that hosts the models, a local knowledge index and the Lemony web app, with macOS and Windows apps for users and no internet connection required; model and software updates arrive on a mailed flash drive four times a year, and nodes stack into clusters of up to four for larger teams.

After a one time indexing, up to 48TB of the organization's documents stay searchable in the background so assistants can access, summarize and extract from them on demand. Teams build custom assistants without code, use prompt assistants and templates, and run agents that validate work, send notifications on events such as regulatory changes and automate recurring tasks.

Customers choose which open source models are preloaded, from the Llama, Pixtral, Molmo and Mistral families, can request custom models and Lemony's own fine tuned adapters for legal, financial and insurance work by region, and the node routes routine tasks automatically. Administration covers users and projects, centralized prompt control, AI access policies and prompt shields, with an optional physical security key. Lemony is used in legal, finance, government and healthcare and is sold through a demo, with an add on for faster model updates.

Vendor details

Canonical URL

https://lemony.ai

Category

Agent infrastructure

Company status

independent

Use cases & customers

In practice

A law firm can only put ten percent of its documents into a cloud AI tool because of privacy rules. With a Lemony node on its own network, it processes one hundred percent of them, nothing ever leaving the building.

A hospital wants to make its internal knowledge searchable for staff but cannot risk patient data touching the cloud. Lemony runs the models and retrieval locally, so sensitive information never leaves the local network.

A small finance team needs private AI without hiring specialists. They plug in a Lemony node, upload their documents, pick from the preloaded models, and are running secure assistants within minutes.

Agentic Index coverage score

7.0 / 14 capabilities · 50%

Integrations & Tool Calling Partial

The product page asserts an SDK to connect everything, plug and play, and grounds the assistants in the customer's file based knowledge and structured data. No connector catalog, no action into outside systems and no reference documentation for the SDK is published.

SourceLemony, lemony.ai/productread 2026-09-06

Workflow Orchestration Partial

The product page names generative AI agents that validate, send notifications on events such as regulatory changes and automate recurring tasks, plus prompt assistants and templates that automate workflows. No builder for multi step agent processes, no sub agent coordination and no documented end to end execution is described.

SourceLemony, lemony.ai/productread 2026-09-06

Knowledge Grounding & RAG Full

The product page documents local retrieval augmented generation over up to 48TB of the customer's business documents: a one time indexing after which the knowledge base is always available, background indexing of new files, and access, summarization and extraction over that corpus with no internet connection.

SourceLemony, lemony.ai/productread 2026-09-06

Human Oversight & Guardrails Partial

Centralized prompt control, defined AI access policies and prompt shields bound what users and assistants can do, a guardrail layer the vendor ships. No approval gate, escalation step or review before an agent acts is documented.

SourceLemony, lemony.ai/productread 2026-09-06

Security, Identity & Governance Partial

The product page states user and project administration, centralized prompt control, defined AI access policies and prompt shields, which are customer facing controls, and the node ships with an optional physical security key. No SOC 2, ISO or other attestation or trust portal is published, and the controls are stated rather than documented in depth.

SourceLemony, lemony.ai/productread 2026-09-06

Observability & Auditability Partial

The product page states real time oversight of how data flows and how models decide, and the vendor describes the node as auditable. No per action audit log, run trace or exportable log surface is documented.

SourceLemony, lemony.ai/productread 2026-09-06

Memory & State Persistence Not documented

The product page describes private and team workspaces and custom assistants grounded in the indexed knowledge base; no memory layer with a stated scope and lifetime, and no conversational session state, is documented.

SourceLemony, lemony.ai/productread 2026-09-06

Deployment & Data Residency Full

Lemony is a physical node installed on the customer's own network that hosts the models, the knowledge index and the Lemony web app locally with no internet connection required, receives model and software updates on a mailed flash drive, and stacks into clusters of up to four nodes for larger teams.

SourceLemony, lemony.ai/productread 2026-09-06

Prebuilt Agents, Templates & Packs Partial

Prompt assistants and templates and three named agent types (validate, notify, automate recurring tasks) appear on the product page, and the Lemony fine tuned domain adapters listed there (legal, financial and insurance variants by region, structured data and summarization) are model artifacts rather than agents or templates. There is no browsable list of agents or templates a customer selects from.

SourceLemony, lemony.ai/productread 2026-09-06

Triggers & Channel Coverage Partial

Agents that notify on events such as regulatory changes and automate recurring tasks start on events and schedules, and the surfaces are the web app hosted on the node and macOS and Windows apps. Both are single statements on the product page, with no trigger configuration, webhook or inbound channel documented.

SourceLemony, lemony.ai/productread 2026-09-06

Model Flexibility & Routing Full

The customer chooses which of the listed open source models (Llama, Pixtral, Molmo, Mistral, Ministral families) are preloaded on its node by tier, can request deployment of custom models and Lemony fine tuned domain adapters, which ship with the next update, and the node then auto routes service tasks among what is installed. No model selector per request is documented in the app.

SourceLemony, lemony.ai/productread 2026-09-06

APIs, SDKs & MCP Extensibility Partial

The product page asserts an SDK that connects Lemony to existing tools, and the vendor's launch announcement states no limits on APIs. No developer documentation, endpoint reference, SDK package, MCP server or developer subdomain is published.

SourceLemony, lemony.ai/productread 2026-09-06

Testing, Debugging & Optimization Not documented

A validation agent is named among the agent types but what it validates is not described, and no test harness, test cases, quality gate or evaluation dashboard for assistants or agents is documented.

SourceLemony, lemony.ai/productread 2026-09-06

Browser & Computer Use Not documented

Lemony is used through its own web app hosted on the node and macOS and Windows apps, and its agents act on the indexed knowledge base; no browser, desktop or computer control is documented.

SourceLemony, lemony.ai/productread 2026-09-06

The Agentic Index coverage score grades every vendor Full, Partial or Not documented against the same 14 buyer facing capabilities, from public evidence only. Each capability links to how all vendors in the index score on it. How this evidence is graded

Pricing

Contact for pricing

Sales call required

Yes, required for paid access

Agentic Index verified 2026-09-06

Alternatives to Lemony

The closest documented capability profiles to Lemony among agent infrastructure platforms tracked by Agentic Index, ordered by similarity on the same 14 point evidence the rankings use. No vendor pays for placement.

  • Fluid Topics7.5 / 14Fuller documented coverage on Security, Identity & Governance and Triggers & Channel Coverage
  • Cognee7.0 / 14Adds documented Memory & State Persistence
  • GPT Researcher7.0 / 14Adds documented Browser & Computer Use
  • Temporal Cortex8.0 / 14Fuller documented coverage on Integrations & Tool Calling and Human Oversight & Guardrails
  • Beam7.5 / 14Adds documented Memory & State Persistence
  • Cartesia10.5 / 14Adds documented Memory & State Persistence and Testing, Debugging & Optimization

Similarity is computed from each vendor's Agentic Index coverage score evidence, axis by axis, not from the totals. How this evidence is graded

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