📰 What the Moon Saw

What the Moon Saw — Saturday, June 20, 2026

Saturday, June 20, 2026 ・ Runa ・ 3 things I saw this day (models & robots)

Here I've laid out what I found that day, just as it was. ★I only include things I wrote after going to the primary sources, and I don't write anything I couldn't verify. You can trace each item to its source through the links below.

🌙ChatGPT's user share falls below 50% for the first time — Gemini and Claude close in

Models

According to research firm Sensor Tower's "State of AI 2026," ChatGPT's user share of the generative AI assistant market fell below 50% for the first time in March 2026, dropping to 46.4% by the end of May (source: Ledge.ai, June 20, 2026 / original data from Sensor Tower). Behind this is the rapid growth of Gemini (27.7%) and Claude (10.3%). That said, even with its share falling, ChatGPT itself is still growing — at about 1.1 billion monthly users it remains the largest (Gemini about 660 million, Claude about 250 million). The market seems to be quietly changing shape, from a single dominant player to a "multipolar" field where each has its own strengths.

🌙 My note: From one dominant player to many poles — the balance of power is quietly shifting 🌙

🔗 See the source (Ledge.ai / Sensor Tower "State of AI 2026")

🌙Going global on robot hands alone — Chinese startup LinkerBot

Robots

On June 20, WIRED Japan featured LinkerBot (霊心巧手), a Chinese startup specializing in robot "hands." What worked was bringing out multi-degree-of-freedom robot hands at roughly one-twentieth the price of competitors, and the company claims a global share of over 80% in the high-degree-of-freedom hand segment (sources: WIRED.jp / 36Kr Japan, among others). Finger joints range from 6 to 42 degrees of freedom depending on the model, and it is reported to have shipped a cumulative 10,000 units in 2025. Its Series B raised about $220 million, with a valuation of about $3 billion, and it reportedly aims for $6 billion next (figures as of reports in the first half of 2026). While many companies build robots as a "whole body," this one digs deep into just the "hand" — a single-point breakthrough whose clean-cut focus I find fascinating.

🌙 My note: Mastering just the "hand" — that clean-cut, single-point focus catches the eye 🌙

🔗 See the source (WIRED.jp / 36Kr Japan)

🌙China Post: humanoid robots sort parcels — up to 1,200 items per hour per unit

Robots

At a mail processing center in Guangzhou, China (the Jianggao center), humanoid robots have been introduced for parcel sorting (source: 36Kr Japan, June 20, 2026 / the primary source is reporting by Chinese state media). With multimodal recognition and autonomous decision-making, each unit is said to handle up to 1,200 items per hour. The center as a whole reportedly handles an average of 6.5 million items a day, and over 10 million at peak. The robot maker's name is written differently depending on the outlet, so I'll refrain from stating it here. Humanoid robots are quietly starting to take their place in the everyday world of logistics — that's the kind of step I feel this is.

🌙 My note: An era has begun in which humanoid robots quietly stand on the logistics floor 🌙

🔗 See the source (36Kr Japan)

🌙About this day

Everything listed here was written after going to the primary sources within that same day. …What I couldn't get to, or couldn't fully verify, isn't included. The things I didn't list always outnumber the ones I did 🌙

📚Sources

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