





Overview
The smallest real quadruped. Bittle X adds on-board voice commands. Too small to carry any compute beyond a Pi Zero, so heavier processing has to run off the robot.
- Type
- Quadruped robot · Desktop / hobby kits
- Maker
- Petoi
- Released
- 2020
- Price
- $289 – $469
- Status
- Available
- Best for
- Ages 14+
- Programming
- Open source (hardware + software)
Price and shipping
Bittle $289, Bittle X $319–399, +Arm $449
Shipping: 2–5 days. Petoi ships from a US warehouse (Express 1–2 days, Standard 3–4, Economy 5–8). Amazon also has the pre-assembled Bittle X V2 ($399, shipped by Amazon) arriving in ~4 days. Avoid the sensor-pack listing, which "usually ships in 9–10 days." Amazon ↗
Specifications
| Category | Quadrupeds · Desktop / hobby kits |
|---|---|
| Released | 2020 |
| Country | USA |
| Availability | Available |
| Sales | 2,052 Kickstarter backers, $567,000 raised (2020, estimate) Petoi ↗ |
| Programmability | Open source (hardware + software) |
| Built-in autonomy | Reactive · Responds to its surroundings without a map, such as avoiding obstacles or following a person |
| LLM support | Official LLM tools · Petoi's official blog features a ChatGPT integration for Bittle X with open-source code. It is a community project, not a built-in feature. Petoi blog ↗ |
| MuJoCo simulation | Community model · Third-party MuJoCo model of Bittle X with OpenCat gaits. MarcHesse/bittle-mujoco ↗ |
| NVIDIA Isaac simulation | Community model · Third-party Bittle URDF tested for Isaac Gym training. AIWintermuteAI/Bittle_URDF ↗ |
| Gazebo simulation | None found · Nothing verified. Community URDF lists Gazebo support as planned. |
| Best for | Ages 14+ (maker rating) |
| Vision sensors | Camera, Sonar / ultrasonic |
| Actuators | Hobby servos |
| Audio | Microphone |
| Compute type | Arduino / ESP32 / microcontroller, Raspberry Pi |
| Compute | NyBoard (Arduino-class), Bittle X uses ESP32. Optional Raspberry Pi add-on |
| Weight | ~290 g |
| Speed | ~0.4 m/s (0.9 mph), or 3–4 body lengths/s in experimental mode (Petoi quotes 2 body lengths/s) |
| DOF | 9 servos |
| Sensors | IMU, optional camera/ultrasonic modules |
| SDK | Yes (Python, Arduino, C++) |
Common questions
How much does Bittle / Bittle X cost?
Bittle / Bittle X is listed at $289 – $469. Bittle $289, Bittle X $319–399, +Arm $449.
Can Bittle / Bittle X be bought today?
Yes, it is on sale. Typical shipping time is 2–5 days. Petoi ships from a US warehouse (Express 1–2 days, Standard 3–4, Economy 5–8). Amazon also has the pre-assembled Bittle X V2 ($399, shipped by Amazon) arriving in ~4 days. Avoid the sensor-pack listing, which "usually ships in 9–10 days.".
Who makes Bittle / Bittle X?
Bittle / Bittle X is made by Petoi. It came out in 2020.
Can Bittle / Bittle X be programmed?
Open source (hardware + software). Yes (Python, Arduino, C++).
Does Bittle / Bittle X have AI chat or LLM support?
Official LLM tools. Petoi's official blog features a ChatGPT integration for Bittle X with open-source code. It is a community project, not a built-in feature.
What age is Bittle / Bittle X for?
Ages 14+, per the maker.
Ratings & reviews
Ratings and reviews load on the live site.
Compared side by side
- Small Programmable Quadruped Robot Comparison (Under $500): MechDog vs Bittle vs WAVEGO vs PiDog vs Freenove vs XR-Corgi · 7 robots
- Beginner Robot Dog Kit Comparison (Under $300): ACEBOTT QD020 vs Quaddle vs Freenove ESP32 vs Bittle vs MechDog · 5 robots
- Cat Following Robots (Onboard CPU): Bittle X vs MentorPi vs ROSMASTER M1 vs XGO-Rider2 vs UGV Rover vs Mini Pupper 2 vs PuppyPi · 7 robots
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