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claude-sonnet-5.5 vs universal-3-5-pro vs gemini-3.5-transcribe vs s1
Attribute	Claude Sonnet 5.5claude-sonnet-5.5	Universal-3.5 Prouniversal-3-5-pro	Gemini 3.5 Transcribegemini-3.5-transcribe	S1s1
Pricing
Input	$2.00 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Output	$10.00 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Cache Write (5m)	$2.50 / 1M	Not applicable	Not applicable	Not applicable
Cache Write (1h)	$4.00 / 1M	Not applicable	Not applicable	Not applicable
Cache Read	$0.20 / 1M	Not applicable	Not applicable	Not applicable
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	1M	N/A	98.3K	N/A
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	Yes	No	Yes	No
Function Calling	Yes	No	Yes	No
JSON Mode	Yes	No	No	No
Streaming	Yes	No	No	No
Catalogue
Provider	Anthropic	AssemblyAI	Google	Fish Audio
Category	chat	voice	voice	voice
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	—	2026-09-22	2026-09-25	2026-07-29
Description
Summary	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.	AssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.	Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.