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AmazonProprietary
Amazon Nova 2 Sonic
Amazon Nova 2 Sonic is a voice-focused foundation model developed by Amazon. Its key feature is an extremely long context window of 1 million tokens.
Parameters
Undisclosed
Context Window
1000K
License
Proprietary
Release Date
2025-12-02
API Pricing
API pricing for this model is not yet available
Strengths
- ・Very long context window
- ・Design specialized for audio processing
- ・Advanced audio understanding capability
Weaknesses
- ・Closed license system
- ・Internal structure of model is not open
- ・Not open-source
Use Cases
- ・Analysis of long audio data
- ・Building advanced audio dialogue systems
- ・Large-scale audio context processing
Deep Analysis
Context Window
1M tokens
Speech-to-Speech
Unified STT+LLM+TTS
Languages
7 languages
Latency
Sub-500ms
Release Date
December 2, 2025
Strengths
- ・Unified speech-to-speech
- ・1M context for long conversations
- ・7 languages with polyglot voices
- ・Native function calling during voice
Weaknesses
- ・Speech-to-speech only
- ・Quality may trail dedicated solutions
- ・AWS dependency
- ・Infrastructure setup required
Competitor Comparison
| Model | Price |
|---|---|
| OpenAI GPT-Realtime | ~$5/$20 |
| ElevenLabs | $5-330/mo |
Nova 2 Sonic is AWS's speech-to-speech model unifying STT+LLM+TTS. 7 languages, 1M context, native function calling.
Sources
Analysis generated: 2026-05-24