How We Compare
Honest comparison against Siemens TIA + Copilot, Rockwell FactoryTalk, Beckhoff TwinCAT + CoAgent, and CODESYS + MCP. No spin. No strawmen.
The Competition
Market leader in Europe
Market leader in North America
Windows-based real-time
Open hardware abstraction
Feature Matrix
No marketing. No asterisks. A direct side-by-side of what each platform ships today.
| Feature | Brain | Siemens | Rockwell | Beckhoff | CODESYS |
|---|---|---|---|---|---|
| Autonomous AI agent (not just autocomplete) | ✓ | ✗ | ✗ | limited | ✗ |
| Plugin SDK (Python) | ✓ | ✗ | ✗ | ✗ | limited |
| MCP server | ✓ | ✗ | ✗ | ✗ | experimental |
| 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 |
Brain Advantages
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.
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 6 months young. Your factory engineers probably already know Siemens. Retraining is real work.
02
Rockwell has 30 years of I/O variety. Beckhoff covers every field bus on earth. Brain I/O covers the 220 I/O points most cabinets need, but if you need specialty (EtherCAT, PROFINET native, 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. Not there yet. If you need functional safety today, Brain is the operator HMI and AI layer on top of a certified safety PLC, not a replacement for one.
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, swap it for Brain I/O. Same protocols, more capability.