Sereact

Stuttgart builder of the Cortex robot-brain model for warehouse picking; $110M Series B in April 2026

Scaleup · Shipping · Robot foundation model · Stuttgart, Baden-Württemberg, Germany · Founded 2021 · sereact.ai

No valuation has been disclosed. Deployment counts are the company's own figures.

Profile

Sereact makes the Cortex AI model that runs robots picking items in warehouses, and says more than 200 of its systems are live in Europe with over a billion real picks completed. Customers named by the company include BMW, Mercedes-Benz, Daimler Truck and Austrian Post. It raised a $110M Series B led by Headline in April 2026 to scale Cortex 2.0 and open a first US office in Boston.

People

• RG
  Ralf Gulde Founder

  Co-founder and Chief Executive Officer

  @ralfguldeRole confirmed in their X bio
• MT
  Marc Tuscher Founder

  Co-founder and Chief Technology Officer

  Named as CTO and co-founder in coverage of the Series B; the company's announcement pictures him alongside CEO Ralf Gulde.

Source: Sereact Raises $110M Series B (Sereact) · As of Oct 8, 2026. X handles are shown only when we could confirm they belong to the person.

Flagship products

• Cortex 2.0 AI model
  Vision-language-action model with a world model that plans outcomes before the robot moves; runs on picking cells, returns stations and humanoids
• Sereact Lens Software
  3D perception system for inventory and quality control

Funding and valuation

Competitors

Companies with overlapping products. Direct = same customers and same job; Adjacent = overlapping technology or market, different focus.

• Mujin

  Direct competitor

  JPRobotics leader

  Both sell AI software that lets warehouse robots pick and move goods on their own: Mujin sells MujinOS, software that lets warehouse and factory robots plan their own motions, while Sereact makes the Cortex AI model that runs robots picking items in warehouses.

  Sources (2)

  • Sereact (company website)
  • Mujin (company website)

• Wandelbots

  Adjacent competitor

  DERobotics leader

  Both sell the software layer that tells industrial robots what to do: Wandelbots sells software that programs industrial robots of any brand without code, while Sereact makes the Cortex AI model that runs robots picking items in warehouses.

  Sources (2)

  • Sereact (company website)
  • Wandelbots (company website)

• Amazon Robotics

  Adjacent competitor

  USRobotics leader

  Both build robots for warehouse work: Amazon Robotics builds the robots that run Amazon's own warehouses, while Sereact makes the Cortex AI model that runs robots picking items in warehouses.

  Sources (2)

  • Sereact (company website)
  • Amazon robotics: Meet the robots inside fulfillment centers (Amazon)

Recent news

• Apr 27, 2026 — Sereact raises $110M Series B led by Headline to scale Cortex 2.0 and enter the US Sereact
• Apr 27, 2026 — Sereact raises $110M to scale its AI 'robotic brain' and expand into the US SiliconANGLE

Sources

• Sereact Raises $110M Series B (Sereact) (Apr 27, 2026)
• Sereact raises $110M to scale AI 'robotic brain' and expand into the US (SiliconANGLE) (Apr 27, 2026)

Confidence: high.

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