Simple Pricing, Predictable Budgets

Clear monthly tiers with no hidden fees. Privacy by design — your assets stay in your workspace, never used for training.

Arion Mnemo

AI Knowledge Engine (RAG)

Transforms documents into a private, intelligent knowledge engine.

Starter

£49/month
  • 1 Workspace
  • Up to 50 documents
  • 2,000 queries/month
  • Standard ingestion
  • Basic analytics
  • AI + email support
Get Started
Most Popular

Team

£149/month
  • 3 Workspaces
  • Up to 250 documents
  • 10,000 queries/month
  • Priority ingestion
  • Custom chunking options
  • Priority support
Get Started

Business

£399/month
  • 10 Workspaces
  • Up to 2,500 documents
  • 50,000 queries/month
  • Bring-your-own model
  • Workspace-level config
  • Advanced analytics + logs
  • Eligible for Arion Athena
Contact Sales

Enterprise

From £999/month
  • Unlimited Workspaces
  • Unlimited documents
  • 250,000+ queries/month
  • Dedicated compute
  • Private networking
  • Compliance audit logs
  • Dedicated success manager
Contact Sales
Arion Lumen

Private LLM

Secure, private model serving for sensitive data and regulated industries.

Starter

£99/month
  • Shared secure infrastructure
  • 1M tokens/month included
  • Standard open weights models
  • API access
Contact Sales
Recommended

Pro

£299/month
  • Dedicated model instance
  • 10M tokens/month included
  • Custom model loading
  • Priority support
Contact Sales

Enterprise

POA
  • Fully isolated environment
  • Unlimited throughput options
  • Custom SLAs
  • 24/7 support
Contact Sales
Arion Athena

Fine-Tuning Add-on

Fine-tune models on your specific data for superior performance on niche tasks. Available for Mnemo Business & Enterprise.

Up to 3 fine-tuned models
150k training units/mo included
Evaluation reports
Deployment API back into Mnemo
£299/month

+ training usage

Extra units: £0.90 per 1k

One-off full training run: £999

Add to Plan
Arion Nexus

AI Agents & Automation

Build autonomous agents and resilient workflows powered by your knowledge graph.

AI Agents

Reusable AI agents that can reason, use tools, and interact with your data.

Agent Starter£29/agent/mo

Basic task or FAQ agents

Agent Pro£79/agent/mo

Multi-step agents with external lookups

Agent EnterprisePOA

End-to-end orchestrators and compliance workflows

Automata

Policy-aware automation workflows for complex business logic.

Automata Starter£49/mo
Automata Team£149/mo
Automata EnterprisePOA
Arion Node

AI Ready Compute

Private GPU workspaces for development, experimentation, and batch processing.

Developer

£9/month

+ usage

  • 1 active workspace
  • Shared compute
  • Autosave
Recommended

Team

£39/month

+ usage

  • Priority compute
  • Premium checkpoint library
  • Team access controls

Enterprise

£129/month

+ usage

  • Dedicated high-perf compute
  • Always-on workspace
  • API access
  • Phone support

On-Prem, Dedicated & Managed

Arion Appliances

On-Prem / Private Cloud Hardware

Appliance SFrom £1,999/mo

1 appliance, 100k queries/mo, Local inference

Appliance MFrom £3,999/mo

2-node HA, 500k queries/mo, Hybrid inference

Appliance LPOA

Dedicated cluster, Unlimited, Air-gapped option

Bring-Your-Own-Host

Private Cloud Edition

From £2,499/month

Supported: VMware, AWS Outposts, Azure Stack, OCI, Bare-metal, RunPod private clusters.

  • Mnemo software licensing
  • Support + updates
  • Deployment assistance
  • Security hardening pack

Managed Service Wrap

Optional operational service layer

From £799/month
  • Proactive monitoring
  • Document ingestion as-a-service
  • Update & patching management
  • Monthly reports & optimisation
  • Dedicated Slack/Teams/Google Chat channel

Ready to get started?

Start small with a pilot or go big with enterprise-grade deployment.