Open SourceModels 🇨🇳 04.08.2026 05:04

Open-Source vs Closed-Source Debate Reignites: Kimi K3 Open-Sourced, Anthropic Refuses to Sign Letter Supporting Open-Source Models - Caixin

Moonshot AIMoonshot AI AnthropicAnthropic
The debate between open-source and closed-source AI models has reignited. Moonshot AI has officially open-sourced its Kimi K3 model, while Anthropic declined to sign a joint letter supporting open-source models, as reported by Caixin.
According to Caixin, the ongoing tension between open-source and closed-source AI approaches has resurfaced. Moonshot AI has formally open-sourced its Kimi K3 model, marking a significant move in the open-source community. In contrast, Anthropic has refused to sign a joint letter that expresses support for open-source models, highlighting a division within the AI industry. This development underscores the differing strategies among major AI developers regarding model accessibility and transparency.
Source: Moonshot Kimi (GNews) — original
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