
Overview
Germany's best-known humanoid effort, from the maker of MAiRA and LARA cognitive cobots. Early 4NE-1 versions were shown from 2023, with an updated generation at Automatica 2025. NEURA pitches a "Neuraverse" app ecosystem shared across its robots. As of September 2026 the full-size 4NE1 Gen 3.5 is reservation-only, with availability expected at the end of 2026.
NEURA showed 4NE1 Gen 4 in October 2026. It has a slimmer body with a textile skin and is 20% lighter than the generation before. NEURA says it runs its NEURON AI model locally on the robot and is being prepared for series production. No Gen 4 price has been published.
- Type
- Biped robot · Full-size humanoids
- Maker
- NEURA Robotics (Germany)
- Released
- 2023
- Price
- ~$110,000 (€98,000, NEURA estimate)
- Status
- Announced only
- Best for
- Professionals & labs
- Programming
- Limited SDK
Versions compared
| 4NE1 Gen 3.5 | 4NE1 Gen 4 | |
|---|---|---|
| Status | Reservations open, availability expected end of 2026 | Shown October 2026, being prepared for series production |
| Price (estimate) | ~$110,000 (€98,000) for 1–19 units, ~$67,400 (€60,000) for 20+ | No price yet |
| Body | ||
| Height | Not stated | 180 cm |
| Weight | Not stated | 80 kg, 20% lighter than the previous generation |
| Payload | Not stated | 10–20 kg |
| Walking speed | Not stated | 5 km/h |
| Outer cover | Not stated | Textile skin |
| Software | ||
| AI | Neuraverse via NEURA Sync | NEURON AI foundation model, run on the robot |
| SDKs | Python, ROS 2, C++ | Not stated |
Gen 3.5 figures come from NEURA's reservation page and Gen 4 figures from its 4NE1 product page (both checked October 2026). The reservation page still lists Gen 3.5 only. 4NE1 product page ↗ · 4NE1 reservation ↗
Price and shipping
NEURA's estimated price for 4NE1 Gen 3.5 is ~$110,000 (€98,000) per unit for 1–19 units and ~$67,400 (€60,000) for 20+ units, excluding tax and shipping. A ~$112 (€100) refundable reservation holds a place in the queue. A smaller 4NE1 Mini is offered separately from ~$22,400 (€19,999).
Shipping: End of 2026 (expected). Reservations only through NEURA, with a refundable ~$112 (€100) deposit. 4NE1 Gen 3.5 is expected to be available at the end of 2026. Reserve 4NE1 ↗
Specifications
| Category | Bipeds · Full-size humanoids |
|---|---|
| Released | 2023 |
| Country | Germany |
| Availability | Announced only |
| Programmability | Limited SDK |
| Built-in autonomy | Reactive · Responds to its surroundings without a map, such as avoiding obstacles or following a person |
| LLM support | Built-in LLM chat · NEURA lists a language model and natural voice-command response among 4NE1's features. Task-level voice control isn't shown in detail, so rated chat (unconfirmed). NEURA 4NE1 ↗ |
| MuJoCo simulation | None found · Nothing found. |
| NVIDIA Isaac simulation | None found · Nothing found. |
| Gazebo simulation | None found · Nothing found. |
| Best for | Professionals & labs |
| Vision sensors | Unknown |
| Actuators | Brushless / direct-drive motors |
| Audio | Unknown |
| Compute type | Proprietary / undisclosed |
| Balance type | RL walking |
| Height | 180 cm |
| Weight | 80 kg |
| Compute | Not published |
| Speed | 5 km/h |
| DOF | Not published |
| Sensors | 360° perception and a full-body sensor skin (details not published) |
| Balance | NEURA cites reinforcement learning alongside computer vision and full-body sensing. Locomotion controller details are not published. |
| SDK | Python SDK, C++ SDK and ROS 2 interface, digital twin, teleoperation and Neura Gym training support, Neuraverse integration |
Common questions
How much does 4NE-1 cost?
4NE-1 is listed at ~$110,000 (€98,000, NEURA estimate). NEURA's estimated price for 4NE1 Gen 3.5 is ~$110,000 (€98,000) per unit for 1–19 units and ~$67,400 (€60,000) for 20+ units, excluding tax and shipping. A ~$112 (€100) refundable reservation holds a place in the queue. A smaller 4NE1 Mini is offered separately from ~$22,400 (€19,999).
Can 4NE-1 be bought today?
Not yet. It has been announced but is not on sale. Reservations only through NEURA, with a refundable ~$112 (€100) deposit. 4NE1 Gen 3.5 is expected to be available at the end of 2026.
Who makes 4NE-1?
4NE-1 is made by NEURA Robotics (Germany). It came out in 2023.
Can 4NE-1 be programmed?
Limited SDK. Python SDK, C++ SDK and ROS 2 interface, digital twin, teleoperation and Neura Gym training support, Neuraverse integration.
Does 4NE-1 have AI chat or LLM support?
Built-in LLM chat. NEURA lists a language model and natural voice-command response among 4NE1's features. Task-level voice control isn't shown in detail, so rated chat (unconfirmed).
Ratings & reviews
Ratings and reviews load on the live site.
Related guides
- Robot Gaits and Gait Training · how legged robots walk, trot and gallop
- MuJoCo Guide · the simulator used to train walking robots
- ROS 2 Guide · the software framework many robots use
- Robot Vision and Depth Sensors · cameras, lidar and other distance sensors
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Image credits
- Image 1: source (official press/product image, rights with manufacturer)
Optimus (Gen 1 / Gen 2 / V3)
Figure 01 / Figure 02
Figure 03
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