Miko 3 vs Petoi Bittle X V2
Researched by Riley Hart · prices checked Oct 26, 2026
As of Oct 26, 2026, the Miko 3 costs $299 and the Petoi Bittle X V2 costs $319, so the Miko 3 is $20 cheaper. The Miko 3 has a published review score and ranks #2 in our robot pets and companions ranking; the Petoi Bittle X V2 is not scored yet. Pick the Miko 3 for young kids who like stories and games. Pick the Petoi Bittle X V2 for learning to code and build robots.
- Type
- Kids companion
- Interaction
- Voice
- Subscription
- Optional
- Ages
- 5 to 10
Miko 3 fits families who want a screen based learning buddy that moves, talks and video calls relatives, and who will pay for Miko Max. Skip it if you mainly want smart conversation or have privacy worries, since reviewers found the AI slow and senators flagged exposed child audio data in 2026.
Full Miko 3 review →- Type
- Robot dog kit
- Interaction
- App
- Subscription
- None
- Ages
- 10+
Bittle X V2 is a strong pick for kids 10 and up, students and hobbyists who want to learn coding and robotics on a real legged robot that runs offline. Skip it if you want a hands off pet for cuddling or long play, since it walks about an hour per charge and the best experience involves some programming.
Full Petoi Bittle X V2 review →Side by side
| Miko 3 | Petoi Bittle X V2 | |
|---|---|---|
| Price | $299 | $319 |
| 3 year cost | $596 | $319 |
| Our score | 7.0/10 | Not scored yet |
| Rank in Companions | #2 | #12 |
| Status | on sale | on sale |
| Warranty | 1 year | 1 year, plus 30 day returns (Petoi store) |
| Type | Kids AI companion and learning robot | Open source programmable robot dog, sold as a build kit or pre assembled |
| Interaction | Voice, 4.7 inch touchscreen, parent app; video calls with family | Voice commands, Petoi phone app, IR remote with the pre assembled package, block coding, Python and C++ |
| Ai features | Face and voice recognition, moderated conversation, learning games and stories; runs online (WiFi needed for most features); Miko does not name the AI model | On device voice recognition with 35+ built in commands and up to 10 custom ones, no network needed; optional camera module for AI vision projects |
| Camera | Yes, wide angle HD; on demand camera shutter and one tap camera or mic disable | Optional add on camera; none in the base kit |
| Mobility | Rubberized wheels with time of flight and odometric sensors | Four legs, 9 joints; maker lists a safe top speed of 40 mm/s; can carry 1 lb |
| Battery runtime | 6 to 7 hours continuous play (product page); up to 5 hours active play on Miko's comparison page | About 1 hour of continuous walking |
| Charge time | About 4 hours with the 15W adapter | About 2 hours (RobotShop listing); charger not included |
| Size weight | 6.3 x 5.5 x 8.67 in, about 2 lb | 200 by 110 by 110 mm (RobotShop); weight not published |
| Subscription | Optional Miko Max: $99 a year (on sale for $89 when checked) or $14.99 a month; free tier has limited content | None |
| Age range | 5 to 10 | 10+; younger builders with adult supervision |
| Best for | young kids who like stories and games | learning to code and build robots |
| Skip if | you will not pay for Miko Max | you want a no effort pet |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Miko 3
- The Gadgeteer: Content was good with Max and the robot survived several 2 foot falls, but without Max the library was thin and the conversational AI was slow and often could not answer. Reviewer said it feels like a pricey tablet. Source
- Serious Insights (3): Kid friendly hardware and familiar subscription content, but laggy voice recognition, answers too advanced for young kids, slow charging and weak standby battery. Source
- TTPM (4/5): Packed with stories, dances and learning missions and answered most questions well; battery lasted about 5 hours of active play and WiFi is required. Source
Petoi Bittle X V2
- Make:: Tested the Bittle X V2 with arm alongside the Nybble Q; noted built in voice control and an ESP32 board, that you never have to assemble circuit boards, and that Bittle is the more durable choice, though neither is a foolproof consumer product. Source
- Movies Games and Tech: Pre built Bittle X ran about an hour per charge; 35+ voice commands were new for this edition; setup needs software on a computer and the box has no printed instructions. Source
- Hinton Magazine: Praised the DIY kit as a way to learn robotics and wiring, the durable interlocking parts, OpenCat programming and 35+ voice commands. Source
Pros and cons
Miko 3
Pros
- Sturdy, kid sized build
- Camera shutter and one tap mic and camera off
- Video calling with family built in
- Large library with Miko Max
Cons
- Thin content without the paid Max plan
- Conversation is slow and often misses questions
- Battery drains quickly on standby
- 2026 report of exposed child audio data
Petoi Bittle X V2
Pros
- Open source with block, Python and C++ coding
- Offline voice commands, no account needed
- Kit or pre assembled options
- Durable plastic body (Make:, The Gadgeteer)
Cons
- About 1 hour per charge
- Charger not included
- Several alloy servo versions sold out
- Remote control can be unresponsive (What Gadget)
Questions buyers ask
Which is better, the Miko 3 or the Petoi Bittle X V2?
The Miko 3 has a published review score and ranks #2 in our robot pets and companions ranking; the Petoi Bittle X V2 is not scored yet. Pick the Miko 3 for young kids who like stories and games. Pick the Petoi Bittle X V2 for learning to code and build robots.
Which is cheaper?
The Miko 3 at $299, versus $319 for the Petoi Bittle X V2, checked Oct 26, 2026. Over 3 years with running costs: $596 vs $319.
What is the difference between the Miko 3 and the Bittle X V2?
Type: Kids AI companion and learning robot on the Miko 3, Open source programmable robot dog, sold as a build kit or pre assembled on the Bittle X V2. Interaction: Voice, 4.7 inch touchscreen, parent app; video calls with family on the Miko 3, Voice commands, Petoi phone app, IR remote with the pre assembled package, block coding… on the Bittle X V2. Ai features: Face and voice recognition, moderated conversation, learning games and stories; runs… on the Miko 3, On device voice recognition with 35+ built in commands and up to 10 custom ones, no… on the Bittle X V2.
Also consider
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