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nova-3 vs claude-sonnet-5.5 vs aura-2 vs transcribe-1-pro
Attribute	Nova-3nova-3	Claude Sonnet 5.5claude-sonnet-5.5	Aura-2aura-2	Transcribe 1 Protranscribe-1-pro
Pricing
Input	$0 / 1M	$2.00 / 1M	$0 / 1M	$0 / 1M
Output	$0 / 1M	$10.00 / 1M	$0 / 1M	$0 / 1M
Cache Write (5m)	Not applicable	$2.50 / 1M	Not applicable	Not applicable
Cache Write (1h)	Not applicable	$4.00 / 1M	Not applicable	Not applicable
Cache Read	Not applicable	$0.20 / 1M	Not applicable	Not applicable
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	N/A	1M	N/A	N/A
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	No	Yes	No	No
Function Calling	No	Yes	No	No
JSON Mode	No	Yes	No	No
Streaming	No	Yes	No	No
Catalogue
Provider	Deepgram	Anthropic	Deepgram	Fish Audio
Category	voice	chat	voice	voice
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	2026-07-15	—	2026-07-16	2026-09-24
Description
Summary	Deepgram Nova-3 speech-to-text. Billed per second of audio.	Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, serving as a direct upgrade to Sonnet 5. It excels at feature development, bug fixing, and creating polished documents, presentations, and spreadsheets, while offering clearer writing and communication than its predecessor.	Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.	Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <\|speaker:0\|>. Billed per second of audio.