RChat, a browser-based AI coding assistant for R, surfaced on Hacker News last week after its creator posted under the headline "Made a R coding tool that feels like cheating." Built by Amygware s.r.o., a Prague-incorporated micro-startup founded in August 2024, it converts plain English into R code and runs entirely in the browser — no installation, no package management, under 30 seconds to start. The company claims 2 million lines of code generated with a 98% accuracy rate; both figures are self-reported and unverified.
The tool positions itself on two fronts. Against RStudio, it emphasizes zero-friction onboarding and AI-assisted ggplot2 visualization capable of producing publication-ready academic charts. Against ChatGPT and Anthropic's Claude, the argument is domain depth: statistical idioms and R-specific syntax that general-purpose models handle inconsistently. Supplementary features — an R Error Explainer, an Error Reference guide, and a Chart Chooser — push the product into R education and debugging territory beyond pure code generation.
The most telling detail in RChat's marketing is its "trusted by researchers at" list, which names Princeton, MIT, Harvard, Oxford, and Cambridge — alongside the University of Amsterdam. Founder Lukáš Pešek is a Czech computer science student apparently based in Amsterdam, most likely enrolled there, which suggests his own academic environment served as the product's first real testbed. Pešek is simultaneously building Kukoo.eu, a housing-search tool; Amygware describes itself as a web development and branding agency. This is a solo developer running multiple niche products, not a focused AI startup. The service is priced at €19 and €32 per month for Standard and Pro tiers, with a free tier behind a Google sign-in.
R dominates Anglophone academic research and statistics, and the gap between "needs R for a paper" and "can write R fluently" is wide among researchers outside computer science — exactly the market RChat is targeting. Specialized AI copilots built around specific languages and professional communities are multiplying as independent developers find seams where general-purpose models still stumble. Pešek has no disclosed outside funding, while GitHub Copilot, Cursor, and <a href="/news/2026-03-14-codespeak-wants-to-replace-code-with-markdown-specs">other specialized development tools</a> are iterating fast on domain-specific coverage. The question isn't whether RChat has found a real gap — it has — but whether one developer can hold it.