Moonshot AI's Kimi 3 Expected to Rival Anthropic's Opus 4.8, Reports Say

Moonshot AI, the Chinese artificial intelligence lab behind the popular Kimi chatbot series, is preparing to release its next-generation model, Kimi K3, which is expected to arrive "in the coming days." According to TechCrunch citing the Financial Times, the model is anticipated to perform at par with or even surpass Anthropic's Opus 4.8.

The Financial Times reports, citing anonymous sources, that Kimi K3 will feature between 2 trillion and 3 trillion parameters, making it the largest open-weight AI model ever released from China. This follows Moonshot's well-received Kimi K2 series, which ranked highly on benchmarks and demonstrated competitive performance against frontier models.

Moonshot AI is also reportedly raising fresh capital in a round that would value the company at $31.5 billion. The company raised $2 billion at a $20 billion valuation in May 2026. The successive funding rounds underscore growing investor confidence in Moonshot's technology roadmap and market position.

The news arrives amid an intensifying debate about the value proposition of expensive closed-source AI models from labs like OpenAI and Anthropic. Industry executives have raised concerns about data privacy when submitting proprietary information to third-party AI platforms, driving interest in open-source alternatives.

If Kimi K3 delivers Opus 4.8-level performance, it would provide powerful ammunition for the open-source camp: enterprises could potentially achieve frontier-grade AI capabilities while maintaining data sovereignty and reducing costs. The competitive dynamics between Chinese open-source labs and Western closed-source leaders are shifting rapidly.

The industry will be watching closely for independent benchmark results and developer community reception once Kimi K3 is officially released, as it could reshape enterprise adoption patterns for large language models.