> ## Documentation Index
> Fetch the complete documentation index at: https://docs.apiyi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Kimi K3 Launch: 2.8T-Param Open-Source Flagship

> Moonshot AI released Kimi K3 on July 16 — a 2.8-trillion-parameter model, the largest open-source model ever, with a flat-priced 1M context. APIYI has launched kimi-k3 at $3/$15 per 1M tokens, identical to official pricing, with recharge bonuses up to 17% off.

**2026/7/18 01:12 (UTC+8)** · New Model · Moonshot

🚀 **Kimi K3 is live — \$3/\$15 per 1M tokens, identical to official pricing**

Released by Moonshot AI on July 16 (UTC+8), this 2.8-trillion-parameter MoE flagship is the **largest open-source model ever**: Kimi Delta Attention with a 1M-token context priced flat across the whole range, #1 on LMArena Frontend Code Arena, native image/video input, and full weights promised by July 27 (UTC+8). APIYI has launched `kimi-k3`, with cache-hit input as low as \$0.30/1M tokens; recharge bonuses give an easy \~9% off (recharge \$100, get 10%), up to \~17% off at higher tiers.

Deep dive: [Kimi K3 Launch: 2.8T-Param Open-Source Flagship](/en/news/kimi-k3-launch).

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