DEPLOYDatabase

Robot model

HRP-4C

humanoidresearchby AIST Humanoid Research Group

HRP-4C is a humanoid robot announced by AIST in 2009, with the appearance and shape of a human, standing 158 cm tall and weighing 43 kg including battery, with…

Track HRP-4C
Manufacturer
AIST Humanoid Research Group
Form factor
humanoid
Maturity
research
Lifecycle
active

Overview

HRP-4C is a humanoid robot announced by AIST in 2009, with the appearance and shape of a human, standing 158 cm tall and weighing 43 kg including battery, with joints and dimensions set to average values for young Japanese females. It has 3 degrees of freedom in the hip, 3 in the neck and 8 in the face.

Verified vs. claimed

Maturity stage
research(Lab-stage only; no commercial or public deployment reported.)
Sources on file
View all sources →

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

Key facts

Size (company-claimed)

158 cm tall; 43 kg including battery.

Joints (company-claimed)

8 face, 3 neck and 3 hip DOF, set to average young Japanese female proportions.

Data & sources

Web sources

1

1 source backing this record.View all →

Pricing

No verified price is on record for HRP-4C. 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

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 HRP-4C.

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

Sources (1)

  1. https://www.aist.go.jp/aist_e/list/latest_research/2009/20090513/20090513.html

Common questions

What is HRP-4C?
HRP-4C is a humanoid robot announced by AIST in 2009, with the appearance and shape of a human, standing 158 cm tall and weighing 43 kg including battery, with joints and dimensions set to average values for young Japanese females. It has 3 degrees of freedom in the hip, 3 in the neck and 8 in the face.
How much does HRP-4C cost?
HRP-4C's price is not publicly disclosed. DEPLOY has no verified price on record for HRP-4C from AIST Humanoid Research Group. 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 HRP-4C actually deployed in the real world?
HRP-4C is at the research stage: it exists, but DEPLOY has no verified real-world deployment on record. Manufacturer capability claims should be read as claims pending independent verification.
Who makes HRP-4C?
HRP-4C is made by AIST Humanoid Research Group, based in Tsukuba, Japan.
Can you buy HRP-4C?
HRP-4C is at research stage and is not yet available for sale.
What are alternatives to HRP-4C?
On the DEPLOY registry, comparable humanoid robots to HRP-4C include Walker S2, Digit, Unitree G1, Atlas.
How does HRP-4C compare to Walker S2?
HRP-4C and Walker S2 (UBTech Robotics · 18 deployments) are both humanoid robots on the DEPLOY registry. HRP-4C has 0 verified deployments on record. Compare both records for specs, safety, deployments, and verified-vs-claimed autonomy.
Is HRP-4C a top humanoid?
On DEPLOY's intelligence score, which blends verified deployments, safety, adoption, media, and IP signals, HRP-4C ranks in roughly the top 67% of humanoid models tracked by the registry.
What is HRP-4C's maturity stage?
HRP-4C is at the research stage on the DEPLOY maturity ladder (research, prototype, pilot, commercial, production). Research stage means active development without commercial deployments on file.
Where is HRP-4C deployed?
No verified deployments of HRP-4C 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 HRP-4C safe?
HRP-4C 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: Verified · 1 source (no primary) · last reviewed 2026-10-21

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-10-21

Maturity + lifecycle

Maturity stage: research

Lifecycle: active

Architectural position

Cohort: humanoid

Sources by quality tier

1
unclassified
Unclassified source

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

Methodology surface for HRP-4C.

Recent coverage

HRP-4C in third-party press

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