DEPLOYDatabase

Robot model

comma four

Aftermarket ADAS hardware device that runs OpenPilot open-source driver assistance software.

Track comma four
Manufacturer
Comma AI
Form factor
av
Maturity
commercial
Lifecycle
active
Website
comma.ai ↗

The verified answer

As of Aug 2026, DEPLOY verifies comma four, a av by Comma AI (commercial). 1 source back the record.

Overview

Aftermarket ADAS hardware device that runs OpenPilot open-source driver assistance software. Supports 325+ car models and mounts on the windshield near the rearview mirror. Fourth generation of Comma AI hardware.

Verified vs. claimed

Maturity stage
commercial(Commercially deployed with revenue-generating operations.)
Sources on file
View all sources →

No verified deployments on file. DEPLOY tracks independently-sourced deployment evidence separately from manufacturer capability claims.

Key facts

Software

OpenPilot (open-source)

Supported Cars

325+ models

Miles Logged

1B+

Setup Time

15 minutes

Data & sources

Web sources

1

1 source backing this record.View all →

Pricing

No verified price is on record for comma four. Physical-AI systems are often sold through enterprise contracts or operated as a service rather than at a public list price.

How DEPLOY tracks pricing

comma four on the deployment map

View the global map

Where comma four is verified operating. Explore the deployment map by place and type.

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Recent activity

Every change to this record is dated, sourced, and independently verified where marked.

Full change history →

Safety record

No incidents on record for comma four.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Sources (1)

  1. https://comma.ai/shop/comma-four

Common questions

What is comma four?
Aftermarket ADAS hardware device that runs OpenPilot open-source driver assistance software. Supports 325+ car models and mounts on the windshield near the rearview mirror. Fourth generation of Comma AI hardware.
How much does comma four cost?
comma four's price is not publicly disclosed. DEPLOY has no verified price on record for comma four from Comma AI. Physical-AI systems like this are often sold through enterprise contracts or operated as a service rather than at a public list price; check the manufacturer for the latest.
Is comma four actually deployed in the real world?
comma four is recorded at the commercial stage, but DEPLOY has no deployment verified at a named site yet; vendor deployment claims are not independently confirmed here. Manufacturer capability claims should be read as claims pending independent verification.
Who makes comma four?
comma four is made by Comma AI, based in San Diego, CA, USA, founded in 2015.
Can you buy comma four?
comma four is in commercial deployment and is sold to operators; contact the manufacturer to buy, and see the pricing section for any recorded price.
What are alternatives to comma four?
On the DEPLOY registry, comparable av robots to comma four include Waymo Driver (6th gen), Ojai, Zoox Robotaxi, Tesla Robotaxi (Model Y ADS).
How does comma four compare to Waymo Driver (6th gen)?
comma four and Waymo Driver (6th gen) (Waymo · 24 deployments) are both av robots on the DEPLOY registry. comma four has 0 verified deployments on record. Compare both records for specs, safety, deployments, and verified-vs-claimed autonomy.
What is comma four's maturity stage?
comma four is at the commercial stage on the DEPLOY maturity ladder (research, prototype, pilot, commercial, production). Commercial stage means production-grade deployments are operating at named customer sites.
Where is comma four deployed?
No verified deployments of comma four are currently on the DEPLOY registry. DEPLOY records deployments only when verified at a named site with a primary source; absence may reflect pre-deployment, research, or manufacturer-internal use.
Is comma four safe?
comma four has no incidents on record in the DEPLOY registry. This does not constitute a safety guarantee; it reflects the incidents DEPLOY has tracked and verified to date.
Methodology: Unreviewed · 1 source (no primary) · last reviewed 2026-08-09

Verification posture

Unreviewed

Low confidence

Review state

Stable

Last reviewed 2026-08-09

Maturity + lifecycle

Maturity stage: commercial

Lifecycle: active

Architectural position

Cohort: av

Sources by quality tier

1
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for comma four.