Kimi K3 was released by Moonshot on July 16, 2026, as an open-weights flagship model in the Kimi line.
Kimi K3 replaces Kimi K2.6 with a 2.8-trillion-parameter open model whose context window is four times larger (1M tokens) and whose API price is more than three times higher.
Compared with Kimi K2.6 · the model it replaces
Reads up to 1 million tokens at once, four times as much as Kimi K2.6
Context window — how much text the model can read in one go
1M tokens
▲ up from 262,144 tokens in Kimi K2.6 · 4 times more
Scores 17 points higher than Kimi K2.6 on an independent intelligence test
Artificial Analysis Intelligence Index v4.3.2 — one score averaging 10 hard tests
44
▲ up from 27 · +17 points
Costs developers more than three times as much to run
Price per 1M tokens — what developers pay, input / output
$3.00 / $15.00
was $0.95 / $4.00 for Kimi K2.6
Every Monday, only when something shipped: the AI models that came out, what each one changed, and which lines are due next.
We email you a link to confirm first · unsubscribe anytime · read past issues · about the newsletter
Kimi K3 is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Newest first. See the full line with every card →