Both build real safety hardware for autonomous machines. They solve different problems. This page tells you which one to pick — and when you need both.
Fort Robotics is a wireless and physical safety layer. Its hardware focuses on hijack-resistant E-stop and operator authentication. When a human hits a stop button, Fort guarantees the link cannot be spoofed and the robot will stop.
AetheriDrive is a logical and deterministic safety layer. Instead of waiting for a human, the DSK chip sits between the AI's brain and the robot's motors and instantly blocks any command that violates a formally-proven safety rule (e.g., "the robot shall not exceed 2m/s within 1m of a human"). It runs in O(1) sub-1ms time.
They are complementary, not substitutes. Most modern safety stacks need both. The right question is not "which one" but "which one first, and why."
Fort represents the "Traditional Functional Safety" lineage — well-engineered E-stops, hardened radios, certified operator equipment. AetheriDrive represents the "Formal Verification Safety" lineage — provably correct logic enforced at the silicon layer. Both are valid; they answer different questions.
Operator-driven safety supervisor
AI-output safety supervisor
Specs only. We avoid the apples-to-oranges comparisons that make competitor pages embarrassing six months later.
Three real-world fleet profiles. Pick the one closest to yours.
Humans actively drive or oversee the robot. The dominant safety risk is operator error or compromised control links. Wireless E-stop reliability is the most important variable. Formal verification of AI behavior is not a current requirement.
No human in the immediate control loop. The dominant risk is the AI emitting a command that violates a safety envelope. Underwriters or EU/Texas regulators have asked (or will ask) for formal-verification evidence. You need O(1) hardware enforcement of provable safety rules.
Some operations are teleoperated, some are fully autonomous, and the safety case has to satisfy both worlds. Defense-in-depth wins audits. Fort handles the wireless and operator path; AetheriDrive handles the deterministic logical path. This is where most mature fleets land.
Direct answers. We are not in the business of trash-talking other safety vendors — we are in the business of selling formal-verification evidence that other vendors do not produce.
No. They are complementary, not substitutes. Fort Robotics is a wireless and physical safety layer, primarily for E-stop reliability and operator intervention. AetheriDrive is a logical and deterministic safety layer that sits between the AI's commands and the robot's motors, blocking any command that violates a formally-proven safety rule. A complete safety stack typically uses both.
Yes, if you need formal-verification evidence for ISO 26262 or EU AI Act audits, or if you want actuarial-rated insurance premiums. Fort handles the wireless and operator path; AetheriDrive handles the deterministic logical path. Underwriters and EU regulators increasingly want formal proofs that only AetheriDrive provides.
Possibly. AetheriDrive does not provide hijack-resistant wireless E-stop or human-operator authentication. If your operating envelope requires those, Fort or an equivalent wireless safety layer remains valuable. Many fleets run both and gain layered defense in depth.
AetheriDrive enforces in O(1) constant-time with worst-case execution under 1ms. Fort Robotics' wireless E-stop loop, by physics, has a longer latency budget because it depends on radio link propagation and operator reaction time. The two operate at different layers of the safety stack and should not be benchmarked head-to-head.
$12,500 per unit (one-time license), $3,000 per unit per year (compliance subscription). The Pilot Package, which bundles a Reflex Lab assessment plus the first DSK license plus Year 1 compliance, is $28,500. Volume discounts apply at 20+ units (10% off) and 50+ units (20% off).
Start with a Reflex Lab assessment. It is a $12,500–$40,000 remote engagement that produces a formal report mapping every gap in your current safety stack to specific compliance clauses, with explicit "what the DSK closes automatically" callouts. Most fleets evaluating DSK begin here.