CB2 vs Diego-san
Side-by-side comparison of CB2 (Osaka University) and Diego-san (UC San Diego, Kokoro, and Hanson Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
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Optimized for Warehousing & Logistics buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- CB2Japan

- Diego-sanUnited States

Year First Available
- CB22006

- Diego-san2010

Verified Deployments
- CB20 Deployments

- Diego-san0 Deployments

Layer 2: Operational
Availability Status
- CB2ACTIVE

- Diego-sanACTIVE

Layer 3: Category Specific
Autonomy Level
- CB2semi-autonomous

- Diego-san—

![]() | ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | United States |
| Year First Available (values differ) | 2006 | 2010 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Autonomy Level (values differ) | semi-autonomous | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price, Battery / Shift Runtime, Payload Capacity, Reach, Max Speed, IP Rating
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | CB2 | Diego-san |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
CB2, Diego-san 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 CB2 and Diego-san?
CB2 is made by Osaka University, based in JP. Diego-san is made by UC San Diego, Kokoro, and Hanson Robotics, based in US.
When were CB2 and Diego-san launched?
CB2 launched in 2006. Diego-san launched in 2010.
How do CB2 and Diego-san compare on the Robo Index?
CB2 grades B on the Robo Index. Diego-san grades A. 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 CB2 and Diego-san 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 CB2 and Diego-san?
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
The real cost of a research platform
7 min readResearch & Lab Robots
The research-robot procurement RFP: questions and red flags
11 min readResearch & Lab Robots
A 90-day playbook to stand up a new platform in a lab
8 min readResearch & Lab Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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About this comparison
CB2 vs Diego-san 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.