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claude-sonnet-5.5 vs qwen3-asr-1.7b vs s2-pro vs transcribe-1-pro
Attribute	Claude Sonnet 5.5claude-sonnet-5.5	Qwen3 ASR 1.7Bqwen3-asr-1.7b	S2 Pros2-pro	Transcribe 1 Protranscribe-1-pro
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	N/A	N/A
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	Yes	No	No	No
Function Calling	Yes	No	No	No
JSON Mode	Yes	No	No	No
Streaming	Yes	No	No	No
Catalogue
Provider	Anthropic	Qwen	Fish Audio	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	—	2026-08-13	2026-07-29	2026-09-24
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.	Qwen3-ASR 1.7B speech-to-text. Billed per second of audio.	Fish Audio S2 Pro text-to-speech. Billed per UTF-8 byte of input text.	Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <\|speaker:0\|>. Billed per second of audio.