Kirobo vs SAR-W series

Side-by-side comparison of Kirobo (Toyota) and SAR-W series (SAEAN Robot Inc.) — specs, pricing, Robo Index, and verified deployments. Updated daily.

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Optimized for Last-Mile Delivery buyers. Priority specs lifted to the top and marked with a target.

KiroboAA

SAR-W seriesB

Layer 1: Identity & Trust

Manufacturer Country

KiroboJapan
SAR-W series—

Year First Available

Kirobo2013
SAR-W series2017

Verified Deployments

Kirobo0 Deployments
SAR-W series0 Deployments

Layer 2: Operational

Battery / Shift Runtime

Kirobo2.5 hrs
SAR-W series—

Availability Status

KiroboACTIVE
SAR-W seriesACTIVE

Layer 3: Category Specific

Payload Capacity

Kirobo—
SAR-W series15 kg

	KiroboresearchToyota AARobo Index	SAR-W seriesresearchSAEAN Robot Inc. BRobo Index
Layer 1: Identity & Trust
Manufacturer Country (values differ)	Japan	—
Year First Available (values differ)	2013	2017
Verified Deployments	0 Deployments	0 Deployments
Layer 2: Operational
Battery / Shift Runtime (priority for Last-Mile Delivery buyers) (values differ)	2.5 hrs	—
Availability Status	ACTIVE	ACTIVE
Layer 3: Category Specific
Payload Capacity (priority for Last-Mile Delivery buyers) (values differ)	—	15 kg

Insufficient data for full comparison

The following fields had no data for any of the selected robots: Price, Reach, Max Speed, IP Rating, Autonomy Level

best in categoryweakest in categoryvalues differ

ROI Comparison

Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.

Robots (fleet)

Hours / day

Labor $/hr (USD)

Days / year

Annual labor displaced (per robot): $50,000

Metric	Kirobo	SAR-W series
Investment	No price	No price
Payback period	—	—
Net savings (5 yr)	—	—
ROI (5 yr)	—	—

Kirobo, SAR-W series have no listed price, so payback can't be computed. Contact the manufacturer for a quote.

Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.

Trade-offs at a glance

Frequently asked

Who makes Kirobo and SAR-W series?

Kirobo is made by Toyota, based in JP. SAR-W series is made by SAEAN Robot Inc..

When were Kirobo and SAR-W series launched?

Kirobo launched in 2013. SAR-W series launched in 2017.

How do Kirobo and SAR-W series compare on the Robo Index?

Kirobo grades AA on the Robo Index. SAR-W series grades B. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.

Are Kirobo and SAR-W series in the same category?

Both robots are classified as Research on Robolist. Filters and ranking treat them as direct alternatives.

What is the realistic total cost of ownership for Research robots?

Hardware cost is one input. Research TCO also includes integration, training, downtime, and end-of-life. Our breakdown: The real cost of a research platform.

What should a buyer ask vendors when choosing between Kirobo and SAR-W series?

Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: The research-robot procurement RFP: questions and red flags.

Going deeper — picking the right robot

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About this comparison

Kirobo vs SAR-W series compares two robots in the research category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.