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Nova 2 Lite

Nova 2 Lite is a second-generation multimodal reasoning model with a context window of 1M tokens. It supports configurable extended thinking, web grounding, and code execution at a cost tier built for everyday production use.

ReasoningVision (Image)
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'amazon/nova-2-lite',
  prompt: 'Why is the sky blue?'
})
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Frequently Asked Questions

  • How do I control extended thinking?

    Under providerOptions.bedrock.reasoningConfig, set maxReasoningEffort to low, medium, or high. Extended thinking is off by default, so you avoid reasoning-token charges until you enable it.

  • What does web grounding do?

    The model can search the public web during a request and ground answers in what it finds, with citations when the provider returns them. Use it when answers need current facts, not only the training snapshot.

  • How large is the context window compared to first-gen Nova models?

    1M tokens. That's more than three times the 300K-token context in Nova Lite and Nova Pro, and nearly eight times Nova Micro's 128K.

  • Can Nova 2 Lite run code during a conversation?

    Yes. Amazon documents code execution for Nova 2 models so the model can run code as part of the response flow. Use it for calculations, data transforms, and similar tasks the provider supports.

  • How are reasoning tokens billed?

    Reasoning tokens are billed at the output token rate. With thinking disabled (the default), you pay only standard input and output costs.

  • Is Nova 2 Lite a direct replacement for first-gen Nova Lite?

    No, it's a successor but not a drop-in replacement. Nova 2 Lite has different pricing and a different capability profile. For simple multimodal tasks where first-gen Nova Lite performs well, upgrading may not cut costs. The value lies in the reasoning, grounding, and code execution features the original lacked.