How We Compare
Honest comparison against Siemens TIA + Eigen, Rockwell FactoryTalk + Studio Copilot, Beckhoff TwinCAT + CoAgent, CODESYS + MCP, and Schneider EcoStruxure. No spin. No strawmen.
The Competition
Market leader in Europe
Market leader in North America
Windows-based real-time
Open hardware abstraction
Global #3 in PLC market share
Feature Matrix
No marketing. No asterisks. A direct side-by-side of what each platform ships today.
| Feature | Brain | Siemens | Rockwell | Beckhoff | CODESYS | Schneider |
|---|---|---|---|---|---|---|
| Autonomous AI agent (not just autocomplete) | ✓ | limited | limited | limited | ✗ | limited |
| Plugin SDK (Python) | ✓ | ✗ | ✗ | ✗ | limited | ✗ |
| MCP server | ✓ | ✗ | ✗ | ✓ | ✓ | ✗ |
| 5-tier safety authorization | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Knowledge base (RAG over manuals) | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Approve & Remember (rule learning) | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Self-learning vision AI | ✓ | ✗ | limited | ✗ | ✗ | ✗ |
| Air-gapped operation | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Multi-provider AI (BYOK) | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Vertically integrated cabinet | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Natural language → PLC program | ✓ | limited | ✗ | ✗ | ✗ | ✗ |
| Auto-generated wiring diagrams | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Forever license (no maintenance) | ✓ | ✗ | ✗ | ✗ | ✓ | ✗ |
| Integrated HMI Builder | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| IEC 61131-3 compliance | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Firmware OTA updates | ✓ | limited | limited | limited | limited | limited |
| Commissioning agent (I/O checkout, PID tune, FAT/SAT)Brain Commissioning Agent: ships 2026. | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Evidence-backed diffs and impact analysis | ✓ | limited | limited | limited | ✗ | limited |
| Backup/restore, audit trail, degraded-mode operation | ✓ | limited | limited | limited | limited | limited |
| Generate → Validate → Commission → Run → Recover (integrated closed loop) | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Total cost (PLC + HMI + SCADA + engineering software)Methodology: see price-comparison page (#). | €5,000 | €15,000–25,000 | €15,000+ | €10,000+ | €5,000+ | €12,000+ |
Brain Advantages
Each Brain capability is delivered by one of five specialized agents. See Agents →
01
Siemens Copilot suggests code. You still have to read it, edit it, test it, deploy it. Brain's agent does all four — generates, tests in simulation, deploys with rollback, and monitors the result. It's an engineer, not a typing assistant.
02
No Siemens, Rockwell, Beckhoff, or CODESYS installation lets a third party drop a Python file in and have the system's AI use it. Brain does. Your domain expertise becomes tools the agent uses automatically.
03
Siemens ships the PLC. SCADA is another vendor. HMI panel is another. Engineering workstation license is another. Integrator is another. Brain ships one cabinet. One supplier. One support line.
04
Siemens TIA Portal requires maintenance contracts. Rockwell charges per feature. Brain's hardware is forever. Subscriptions are optional and cover only cloud features.
05
Nobody else has codified the 'what if the AI does something dumb' question into a safety model. Read / Inform / Configure / Control / Safety-Critical — with auto-lock and emergency stop. It's not a feature. It's the foundation.
Closed Loop
Generate — every platform now has some form of AI code generation.
Validate — only Brain shows you the impact of every change before deploy.
Commission — only Brain has a dedicated commissioning agent.
Run — five-tier safety authorization is unique to Brain.
Recover — Brain keeps running when AI, network, or backend fails.
The incumbents will catch up on code generation. They cannot easily catch up on the closed loop, because their architectures were never designed to be one system.
Run and Recover are explained in detail at Reliability →
Reliability
The market is shifting from “best AI features” to “trustworthy AI in production”. Brain ships with hardware watchdogs on every I/O board, immutable audit trails, full backup/restore, and degraded-mode operation that keeps the PLC running when AI, network, or backend fails. See /reliability.
Where They Still Win
We refuse to pretend Brain wins on every dimension. Here's where the incumbents genuinely lead — today.
01
Siemens TIA Portal is on 2+ million machines. Training, support, spare parts, integrators — the ecosystem is massive. Brain is shipping its first production cabinets in 2026. Your factory engineers probably already know Siemens. Retraining is real work.
02
Brain Core covers 64 I/O points, Brain Pro covers 220, and Brain Gateway connects to legacy field buses. For specialty I/O like EtherCAT motion or 10kV switching, you're pairing Brain with their hardware today.
03
TÜV-certified SIL 3 safety PLCs exist in Siemens, Beckhoff, and Phoenix Contact lineups. Brain is pursuing IEC 61508 and 62443 certification.
Choose Brain When...
Choose Brain
Choose the incumbent when
Migration
Brain speaks every major industrial protocol: Modbus RTU/TCP, OPC UA, SparkPlug B, MQTT. You can add Brain as an intelligent supervisor over existing Siemens / Rockwell / Beckhoff PLCs. Let Brain monitor, diagnose, and optimize. Keep your certified safety logic on the incumbent. Migrate machine by machine, not factory by factory.
01
Brain connects over Modbus / OPC UA. Read-only. Monitors existing PLCs without touching them.
02
Agent diagnoses issues, suggests optimizations. Operators still drive, Brain just listens and recommends.
03
With operator approval, Brain can write setpoints and start sequences on the incumbent PLC.
04
When the incumbent hardware hits end-of-life — or when you want to keep it but add AI on top — swap to Brain I/O or stay on legacy hardware via Brain Gateway.
Where Brain Wins on Integration
| Component | Siemens stack | Brain |
|---|---|---|
| PLC | S7-1500 (€3,000+) | Included |
| HMI panel | Comfort Panel (€2,500+) | Included |
| SCADA | WinCC (€5,000+ per seat) | Included |
| Engineering | TIA Portal Professional (€3,000+ per seat per year) | Included |
| AI Copilot | Eigen subscription | Included |
| Vision system | Separate hardware + software (€5,000+) | Included |
| Total | €18,500+ first year, €3,000+ recurring | €5,000 forever |
Air-gapped · EU AI Act-aligned · Five-tier safety authorization · Full audit trail.