Topic

Kimi K3

Coverage tagged kimi k3.

Articles: 2
Desk: 1

Data graphic: A dot plot of output price per 1M tokens. Kimi K3.1 Pro and Claude Sonnet 5.5 are tied at $10, Kimi K3 is $15 $5 more, so K3.1 Pro is a third off , Kimi K3.1 Pro Highspeed and Claude Opus 5.5 are $20, and Claude Fable 5.1 is $50, 5x the K3.1 Pro price. Moonshot's input price for K3.1 Pro is $2 per 1M, and the open weights are due by 4 Nov.

Kimi K3.1 Pro Cuts Moonshot's API Price to $2/$10 per Million Tokens, Matching Claude Sonnet 5.5 on Paper

Moonshot prices Kimi K3.1 Pro at $2/$10 per million tokens, down from K3's $3/$15 and level with Claude Sonnet 5.5, with memberships from $15 to $159 a month.

Oct 24 · 6 min

Data graphic: Kimi K3 vs Claude and Codex. Moonshot AI's Kimi K3 has about 2.8 trillion parameters, making it the largest open-weight model, with 16 of its 896 experts active per token. Independent evaluators rank it first on Arena for building web interfaces, second overall on Vals AI behind Fable 5, comparable to GPT-5.5 and Opus 4.8 on Artificial Analysis, and only ninth on Arena for broad text queries. It has a 1 million-token context window, costs about 3 to 4 times more per token than the older Kimi K2 series, and was released July 17, 2026. The verdict: test K3 for frontend work, but keep Claude or Codex as primary for hard, multi-file engineering.

stableResearch Kimi K3

Kimi K3 vs. Claude and Codex: Can China's Biggest Open Model Really Replace Your Coding Assistant?

Moonshot AI's Kimi K3, the world's largest open-weight model at 2.8T parameters, tops WebDev benchmarks but can it really replace Claude and Codex? A team-by-team verdict.

Jul 17 · 7 min