Ilia

@IliaLarchenko • 2,043 subscribers

Data Science Director at Agoda | Ex-TOP-20 on Kaggle | Playing with robots for fun

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I just released a first video deep dive into my LeHome Challenge solution (🥇 sim round, 🥈 real-robot final at ICRA 2026). I already shared what I did and the video series is about why: the reasoning, the alternatives I rejected, and the intuition behind each choice. I split the whole video explanation into 3 parts: Part 1 is about RL for VLAs 👇

I just released a first video deep dive into my LeHome Challenge solution (🥇 sim round, 🥈 real-robot final at ICRA 2026). I already shared what I did and the video series is about why: the reasoning, the alternatives I rejected, and the intuition behind each choice. I split the whole video explanation into 3 parts: Part 1 is about RL for VLAs 👇

32,610 Aufrufe

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I placed 🥈 2nd in the LeHome Challenge (at IEEE ICRA 2026) earlier this month, and before that I was 🥇 1st of 62 teams in the simulation round. Now I am sharing my solution — with a detailed logic walkthrough and open-source code. The task was to teach a cheap two-armed robot to fold different garments in simulation and on a real robot. I trained a VLA policy with an RL loop to make it work. Let's break it down 👇

I placed 🥈 2nd in the LeHome Challenge (at IEEE ICRA 2026) earlier this month, and before that I was 🥇 1st of 62 teams in the simulation round. Now I am sharing my solution — with a detailed logic walkthrough and open-source code. The task was to teach a cheap two-armed robot to fold different garments in simulation and on a real robot. I trained a VLA policy with an RL loop to make it work. Let's break it down 👇

21,948 Aufrufe • vor 2 Monaten

Pi-05 after just 30 minutes of fine-tuning. Feels like the best VLA I tried so far

Pi-05 after just 30 minutes of fine-tuning. Feels like the best VLA I tried so far

49,006 Aufrufe • vor 1 Jahr

A couple of days ago, I presented our 1st place solution for the 2025 BEHAVIOR Challenge at NeurIPS Conference . Now, we've open-sourced our solution: code, model weights, and a detailed tech report. Let me unpack what we did 👇

A couple of days ago, I presented our 1st place solution for the 2025 BEHAVIOR Challenge at NeurIPS Conference . Now, we've open-sourced our solution: code, model weights, and a detailed tech report. Let me unpack what we did 👇

28,157 Aufrufe • vor 9 Monaten

1/ In my recent robotics experiments, I started exploring state-of-the-art (SOTA) behavioral cloning (BC) models. Initially, this was just a way to familiarize myself with the LeRobot library and understand the existing approaches. However unexpectedly I developed a very simple model that outperformed SOTA on two benchmark environments. This thread covers my findings, the model, and why I believe some current approaches might be overcomplicating things.

1/ In my recent robotics experiments, I started exploring state-of-the-art (SOTA) behavioral cloning (BC) models. Initially, this was just a way to familiarize myself with the LeRobot library and understand the existing approaches. However unexpectedly I developed a very simple model that outperformed SOTA on two benchmark environments. This thread covers my findings, the model, and why I believe some current approaches might be overcomplicating things.

39,408 Aufrufe • vor 1 Jahr

I ran a quick test of Gemini Robotics ER 1.5 controlling my LeKiwi using the MCP I developed before. No extra code required - just specified a new model. Unfortunately, it doesn't work well, even though I had expected it to be the best, as it is the first major VLM model trained specifically for robotics applications. The video below is a relatively good attempt. It does understand what is going on and generates a reasonable action plan, but it is not doing well with the low-level control. I guess it was not trained for this and was used together with the VLA, so it is trained to generate more high-level commands like "grab this object and put it there" rather than doing low-level control specifying every robot movement step by step. Did anybody try to use it in a similar setup? What is your experience?

I ran a quick test of Gemini Robotics ER 1.5 controlling my LeKiwi using the MCP I developed before. No extra code required - just specified a new model. Unfortunately, it doesn't work well, even though I had expected it to be the best, as it is the first major VLM model trained specifically for robotics applications. The video below is a relatively good attempt. It does understand what is going on and generates a reasonable action plan, but it is not doing well with the low-level control. I guess it was not trained for this and was used together with the VLA, so it is trained to generate more high-level commands like "grab this object and put it there" rather than doing low-level control specifying every robot movement step by step. Did anybody try to use it in a similar setup? What is your experience?

15,643 Aufrufe • vor 1 Jahr

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