tech
December 8, 2025
Amazon’s Bedrock and SageMaker AI get more customizable.
Amazon’s continued focus on offering AI agents through AWS now includes Reinforcement Fine Tuning of AI models built on Amazon’s Nova 2 Lite in Bedrock. The company also announced new “serverless” model customization with SageMaker AI that can provide compute based on the model size with Amazon’s own Nova, OpenAI’s GPT-OSS, Meta’s Llama, and others.
TL;DR
- Amazon Bedrock now supports Reinforcement Fine Tuning of AI models.
- This fine-tuning can be applied to AI models built on Amazon's Nova 2 Lite.
- Amazon SageMaker AI introduces serverless model customization.
- Serverless customization provides compute based on model size.
- Supported models include Amazon's Nova, OpenAI's GPT-OSS, and Meta's Llama.
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