What happened
Amazon disclosed on its third-quarter earnings call that Bedrock now offers Moonshot's Kimi K3 and Z.ai's GLM 5.3, alongside closed models from Anthropic and OpenAI and SpaceXAI's Grok 4.7.
Why it matters
The additions mean Bedrock customers can now access these open models through the same platform that already hosts Anthropic and OpenAI closed models, with Jassy saying customer inputs and outputs are not shared with model providers or used to train their foundational models.
WHO IT HITSEnterprise customers using Amazon Bedrock can now access Chinese open-weight models like Kimi K3 and GLM 5.3 alongside Western closed models, potentially widening model choice for AI application developers.
Summaries like this, every morning.
Amazon's move to add Kimi K3 and GLM 5.3 to Bedrock comes as Chinese-developed open AI systems gain broader attention. Earlier this month, Bedrock had already added Z.ai's GLM 5.3 open-weight model for agentic coding and complex software engineering. The platform now mixes closed models from Anthropic and OpenAI with open models from Moonshot and Z.ai, plus SpaceXAI's Grok 4.7.
Jassy's comments about Western demand for open models sit alongside recent remarks from former Google CEO Eric Schmidt, who said China was roughly six months behind the U.S. in AI but warned that free, open-weight Chinese models could gain traction in developing markets. Nvidia CEO Jensen Huang also weighed in, calling Chinese models 'excellent' and arguing wider adoption of models like DeepSeek and Kimi will boost demand for Nvidia chips and infrastructure.
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