Every Chinese brand on Reddit in March: the numbers that surprised me

I track Chinese brands on Reddit every month — AI companies, EV brands, everything. I score each brand two ways: total engagement (how many upvotes the conversation pulls) and net sentiment (whether the tone is positive or negative). Most months those two numbers move together. March pulled them apart, and the gap is the story.

The brand with the highest sentiment all month was a car company

The highest sentiment score of the entire month belonged to BYD — not DeepSeek, not any AI company. An electric-car brand, with a sentiment score of +19.0 across 1,000+ posts.

Second place: MiniMax, an AI company, at +18.2. Third: Xpeng, another car company, at +14.9. Two of the top three slots in Chinese-brand sentiment on Reddit in March belong to car companies.

The Chinese AI brands getting all the press? ByteDance scored ninth at +4.4. DeepSeek eighth at +4.7. KIMI thirteenth at +1.3.

KIMI's number surprised me most

The full brand report on KIMI is here.

In January 2026, KIMI had the highest sentiment score I'd ever recorded for a Chinese brand: +43.8. By March: +1.3. That's a 42-point drop in two months.

I don't know exactly what drove every post in that decline — still digging. But a drop that sharp doesn't happen from nothing.

Meanwhile, the brand nobody writes about kept climbing

The full brand report on MiniMax is here.

MiniMax quietly kept showing up in r/LocalLLaMA with positive reviews. No viral moment. No controversy. Just consistent community approval, month after month. They climbed to second place.

The ByteDance paradox

The full brand report on ByteDance's AI line is here.

By total Reddit engagement, ByteDance dominated March — 1.55 million upvotes, mostly from TikTok-related content. That's eight times more than the next brand. But their sentiment score? +4.4. Ninth place. Reach and reputation are not the same thing, and ByteDance proved it this month.

The pattern March keeps showing

The brands winning on sentiment aren't the ones with the most news coverage. They're the ones building things real communities actually use — and letting the product speak.

• BYD didn't hire influencers. Their charger specs spoke for themselves.
• MiniMax didn't make headlines. Their models kept getting quietly recommended.
• Xpeng didn't issue press releases. Someone just filmed their car parking.

The car companies learned this lesson first. Most AI companies are still figuring it out.

What this means if you are building overseas

If you are a founder trying to grow on Reddit or X, the March numbers carry a warning and an opportunity. The warning is that chasing reach is a trap. ByteDance had the loudest month of any Chinese brand by a factor of eight, and it bought them almost nothing in reputation — a +4.4 that put them ninth. Volume without goodwill is just noise that scrolls past. If your only growth metric is impressions or upvotes, you can win the number and lose the room.

The opportunity is the flip side. MiniMax never trended, never shipped a viral moment, and still climbed to second on sentiment — because a specific community, r/LocalLLaMA, kept recommending its models to each other without being asked. That is the kind of reputation that compounds. It is slower to build than a launch spike, but it does not evaporate when the news cycle moves on.

The through-line across BYD, MiniMax, and Xpeng is the same: they let the product generate the conversation, and the conversation generated the sentiment. None of them bought their way to the top of the sentiment table. They earned it by being useful in a place where users already gather, and by letting those users do the talking. For a founder, the takeaway is concrete — find the one community that would genuinely benefit from what you built, show up there as a participant rather than a marketer, and measure sentiment, not just reach. Reputation is the metric that survives the month.

FAQ

What is the difference between a sentiment score and upvote volume? Upvote volume measures the size of the discussion; the sentiment score (NSS) measures its direction. March's ByteDance is the proof — first on scale does not mean first on reputation.

Why was the highest sentiment score an EV company? Because BYD's technical subjects — fast charging, performance — provoke straightforward positive surprise in the communities, with little contention and concentrated sentiment, which is what produces the highest net score.

What happened to KIMI to drop 42 points in two months? It fell from a record high of +43.8 in January to +1.3 in March, an extremely steep drop. The specific causes are still being tracked, but a fall that steep does not happen out of nothing.

How did MiniMax climb to second without a viral moment? Through users in r/LocalLLaMA recommending its models to each other, unprompted and month after month. That kind of reputation accumulates slowly but compounds, and it does not evaporate when the news cycle moves on — which makes it the steadiest reputation asset there is.