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AmazonNova 2 familyCurrentSpeech and audioReleased 2 Dec 2025

Amazon Nova 2 Sonic

Voice agents and conversational IVR on Bedrock.

Model idamazon.nova-2-sonic-v1:0

Price$0.33 text in, $2.75 text out per 1M tokens

Checked29 September 2026

Where it stands

76newer speech and audio models since its release

The 5 newest are listed. All speech and audio models

After it from Amazon
Amazon Nova 2.5 Sonic5 Oct 2026
Weights
Closed weights; access is hosted only.

How to call it

Where to use Amazon Nova 2 Sonic, with its model id.

Providers, model ids, endpoints and docs for Amazon Nova 2 Sonic
ProviderModel idEndpointDocs
AWS Bedrock amazon.nova-2-sonic-v1:0 https://bedrock-runtime.{region}.amazonaws.com (InvokeModelWithBidirectionalStream) docs.aws.amazon.com

Pricing

Prices for Amazon Nova 2 Sonic
Speech input$3 per 1M tokens
Speech output$12 per 1M tokens
Text input$0.33 per 1M tokens
Text output$2.75 per 1M tokens

As published: “USD per 1M tokens (speech in/out, text in/out); secondary source, not confirmed on the AWS pricing page”.

Source: deeplearning.ai, checked 29 September 2026.

Specs

Input
Audio and text
Output
Audio and text
Context window
1,000,000 tokens
Max output
64,000 tokens
Open weights
No
Licence
Proprietary
Released
2 December 2025
Status
Current
Type
Speech and audio

What stands out

What its maker marketed at launch, and what people found later, each with its source.

  • Real-time speech-to-speech

    Single model for natural real-time voice conversations over a bidirectional streaming API (no separate ASR/TTS pipeline).

    Source: aws.amazon.com

  • 1M-token session context

    1M-token context window and 64K max output listed for long-running voice sessions.

    Source: docs.aws.amazon.com

  • Polyglot voices and turn-taking control

    Same voice speaks multiple languages natively (Portuguese and Hindi added vs Nova Sonic); developers set low/medium/high pause sensitivity.

    Source: aws.amazon.com

Notes

Technical report (Amazon Nova 2, Dec 2025, https://www.amazon.science/publications/amazon-nova-2-multimodal-reasoning-and-generation-models): Big Bench Audio 87.0 (Artificial Analysis) vs GPT-Realtime (Aug 2025) 83.0 and Gemini 2.5 Flash Live 71.0; BFCL subset 74.5; ComplexFunction 65.2; Common Voice avg WER 6.5 vs 8.4 (GPT-Realtime) across 7 languages; human-preference win rate vs GPT-Realtime above 50% for 6 of 8 voices (e.g. 68.4% Spanish) but 42.4% Hindi and 26.3% Portuguese; vs Gemini 2.5 Flash Live 47.5-77.9%. Comparisons are against 2025 competitors. Successor to Nova Sonic (amazon.nova-sonic-v1:0, Apr 2025). Bedrock only, In-Region in us-east-1, us-west-2, eu-north-1, ap-northeast-1 (no cross-region inference); Standard tier only. Lifecycle Active, EOL no sooner than 2026-12-02. No newer Nova Sonic found as of 2026-09-29; per July 2026 reports Nova 2 Sonic is among the Nova models Amazon keeps developing after its Nova wind-down. Prices from secondary source (AWS Nova pricing page does not list per-token rates).

Use the Bedrock InvokeModelWithBidirectionalStream API with model id amazon.nova-2-sonic-v1:0 (see AWS samples in the model card).

Sources: https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-amazon-nova-2-sonic.html · https://cdn.amazon.science/c5/3d/84514a224666b5be6de4b43ef4aa/nova-2-0-technical-report2.pdf