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Amazon / Nova / Technical Report

Amazon Nova 2: Multimodal Reasoning and Generation Models

Nova 2 Sonic / Nova 2 Lite / Pro Preview / Nova 2 Omni Preview · 2025-12-02

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We present Amazon Nova 2, a family of four foundation models designed to meet diverse enterprise needs across reasoning, multimodal processing, and real-time conversational AI. The family includes Nova 2 Lite and Nova 2 Pro — multimodal models with dynamic reasoning capabilities that allow customers to balance accuracy, speed, and efficiency through configurable “extended thinking” controls; Nova 2 Omni — a unified multimodal model that processes text, images, video, and audio inputs while generating both text and images; and Nova 2 Sonic — a speech-to-speech foundation model for natural conversational AI. Nova 2 models process large contexts with up to 1M tokens, enabling analysis of extensive codebases, long documents, and videos within a single prompt. Like all Nova models, the Nova 2 family is built with integrated safety measures and Responsible AI guardrails, maintaining our commitment to customer trust, security, and reliability.

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Figure 1: Amazon Nova 2 Family of Models
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Figure 2: Nova 2 Lite Extended thinking performance on code generation tasks (LiveCodeBench) across reasoning effort levels. Accuracy increases as the model allocates more computational resources to reasoning, demonstrating the configurable trade-off between speed and intelligence that Nova 2 provides through its low, medium, and high reasoning effort settings.

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