July 16, 2026
Big brain, bigger drama
Kimi K3 Intelligence, Performance and Price Analysis
Smart, chatty, pricey — and the comments are already arguing over what Kimi really is
TLDR: Kimi K3 looks powerful and can handle massive amounts of text, but it’s slower, pricier, and far more long-winded than average. In the comments, the real fight was over whether it’s truly “open,” with users quickly poking holes in the marketing and debating who got there first.
Kimi K3 has arrived with a big reputation and even bigger mouth. On paper, the new AI model looks like a star: it scores high for brainpower, can handle huge amounts of text at once, and even works with images. But the fine print is where the internet started side-eyeing. It’s slower than average, more expensive than many rivals, and hilariously verbose — meaning it tends to answer with a whole novel when a paragraph might do. In other words: brilliant, dramatic, and not exactly cheap to keep around.
And honestly, the community reaction is the real show. One commenter immediately dropped a “Related: Kimi K3 is now Live” link like they were breaking celebrity gossip before the tabloids could. Another jumped in with a correction about rival model history, basically saying, hold on, the timeline doesn’t add up, which gave the thread a classic tech-forum energy: half benchmark talk, half fact-check duel. But the spiciest mini-drama came from the “is it actually open?” crowd. One user pointed to Kimi’s own boast that it’s the first open model at this huge size, then added the killer caveat: the weights don’t seem to be out yet. That sparked the familiar AI soap opera where “open” might mean “open in spirit” rather than “here, download it now.”
So yes, Kimi K3 looks powerful. But the comments make it clear the public verdict is more like: impressive, expensive, suspiciously wordy — and maybe not as open as advertised.
Key Points
- •Artificial Analysis reports that Kimi K3, a proprietary reasoning model released in July 2026, supports text and image input, outputs text, and has a 1M-token context window.
- •Kimi K3 scores 57 on the Artificial Analysis Intelligence Index, compared with an average of 30 for comparable models.
- •The model generated 130 million tokens during the intelligence evaluation, versus an average of 63 million, indicating high verbosity.
- •Artificial Analysis lists Kimi K3 pricing at $3.00 per 1M input tokens, $15.00 per 1M output tokens, and a cache hit price of $0.30 per 1M tokens; the reported evaluation cost was $2,690.80.
- •Kimi K3 is reported at 62 output tokens per second, below the average of 73, and the index methodology is based on nine benchmark evaluations in version 4.1.