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Kepler K2 vs Shiyun RD3 Ultra

Compare Kepler K2 and Shiyun RD3 Ultra using source-linked records. Unknown fields remain unfilled.

Key differences

  • • Kepler K2 is taller than Shiyun RD3 Ultra (175 cm versus 174 cm).
  • • Kepler K2 is heavier than Shiyun RD3 Ultra (75 kg versus 55 kg).
  • • Shiyun RD3 Ultra has the lower listed purchase price (from $29,486 versus from $34,800).

Buying status

Price & availability

Data-derived fit

Choose by measurable differences

Choose Kepler K2 if you need…

No advantage can be computed from the comparable fields currently published.

Choose Shiyun RD3 Ultra if you need…

  • • lower comparable purchase price: from $29,486 vs from $34,800
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Quick answers

Comparison FAQ

Which is cheaper, Kepler K2 or Shiyun RD3 Ultra?

Shiyun RD3 Ultra has the lower comparable purchase price.

Which is taller, Kepler K2 or Shiyun RD3 Ultra?

Kepler K2 is taller in the current records (175 cm).

Which robot can you order today?

Neither record currently combines an orderable status with a verified official order URL.

Evidence

Comparison sources

  1. [1] Kepler official website ↗Kepler K2 · Kepler Robotics
  2. [2] Kepler Robotics showcases K2 Bumblebee at ICRA 2025 ↗Kepler K2 · The Robot Report
  3. [3] Kepler announces mass production of its K2 Bumblebee ↗Kepler K2 · Humanoid Robotics Technology
  4. [4] China's humanoid robot start-ups race to scale before Tesla arrives ↗Kepler K2 · Jiemian News
  5. [5] Kepler K2 completes eight-hour livestream at WAIC 2025 ↗Kepler K2 · Kepler Robotics via PR Newswire
  6. [6] Kepler K2 moves into mass production ↗Kepler K2 · Kepler Robotics via PR Newswire
  7. [7] Kepler K2 Bumblebee Humanoid Robot ↗Kepler K2 · TechEBlog
  8. [8] 时耘科技首批人形机器人下线 (Tianjin Jinyun report, republished by Sichuan Online) ↗Shiyun RD3 Ultra · 津云 (Tianjin Jinyun) via 川观新闻
  9. [9] 大战略牵引新开局丨从“大块头”到“小而美” 机器人“天”团撑起智造硬实力 ↗Shiyun RD3 Ultra · China News Service
  10. [10] PBOC central parity 6.7828 on 31 Aug 2026 (flash report, Xinhua Finance via cnfin) ↗Shiyun RD3 Ultra · 中国金融信息网 (cnfin.com) / 新华财经
  11. [11] Shiyun Technology's first batch of humanoid robots rolls off the line ↗Shiyun RD3 Ultra · Tianjin Radio and Television via Enorth