{"schema":"postcutoff/model@1","as_of":"2026-10-10T23:43:00+02:00","url":"https://postcutoff.com/m/nova-2-5-sonic/","md":"https://postcutoff.com/m/nova-2-5-sonic/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"Adam Bicz","policy":"https://postcutoff.com/about/"},"license":null,"id":"nova-2-5-sonic","name":"Amazon Nova 2.5 Sonic","org":"Amazon","family":"Nova 2","released":"2026-10-05","status":"current","type":"audio/speech","modality_in":["audio","text"],"modality_out":["audio","text"],"open_weights":false,"model_license":"proprietary","context_window":256000,"max_output":null,"knowledge_cutoff":null,"pricing":{"unit":"Same pricing as Nova 2 Sonic (AWS); see nova-2-sonic for figures","source":"https://aws.amazon.com/about-aws/whats-new/2026/10/amazon-nova-2.5-sonic/"},"price_line":"Price not published","access":[{"provider":"AWS Bedrock","endpoint":"https://bedrock-runtime.{region}.amazonaws.com (bidirectional streaming)","docs":"https://aws.amazon.com/about-aws/whats-new/2026/10/amazon-nova-2.5-sonic/"}],"capabilities":[{"name":"Asynchronous tool calling in voice","detail":"Voice agents can trigger tool calls without stalling the conversation; voice and text in the same session; 256K context; works with Strands Bidi Agents (AWS).","first":false,"discovered":"launch","source":"https://aws.amazon.com/about-aws/whats-new/2026/10/amazon-nova-2.5-sonic/"}],"entry":null,"notes":"GA Oct 5, 2026 in US East (N. Virginia), US West (Oregon), Europe (Stockholm), Asia Pacific (Tokyo); seven languages. Improved reasoning, instruction following and tool-calling accuracy and lower latency vs Nova 2 Sonic (AWS). Bedrock model id not verified (third-party sites list 'nova-2-5-sonic').","verified":"2026-10-10","body_md":"Successor to `nova-2-sonic`, Amazon's real-time speech-to-speech model for voice agents.","page_url":"https://postcutoff.com/m/nova-2-5-sonic/","events_after":null,"major_after":null,"historic_after":null,"missing_at_launch":null,"events_since_release":143,"you_url":null,"briefings":null}