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claude-sonnet-5.5 vs perceptron-mk1.5 vs gemini-3.5-transcribe vs transcribe-1
Attribute	Claude Sonnet 5.5claude-sonnet-5.5	Perceptron Mk1.5perceptron-mk1.5	Gemini 3.5 Transcribegemini-3.5-transcribe	Transcribe 1transcribe-1
Pricing
Input	$2.00 / 1M	$0.15 / 1M	$0 / 1M	$0 / 1M
Output	$10.00 / 1M	$1.50 / 1M	$0 / 1M	$0 / 1M
Cache Write (5m)	$2.50 / 1M	$0.15 / 1M	Not applicable	Not applicable
Cache Write (1h)	$4.00 / 1M	$0.15 / 1M	Not applicable	Not applicable
Cache Read	$0.20 / 1M	$0.15 / 1M	Not applicable	Not applicable
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	1M	36.9K	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	Yes	No	No
Catalogue
Provider	Anthropic	Perceptron	Google	Fish Audio
Category	chat	chat	voice	voice
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	—	2026-09-25	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.	Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.	Fish Audio Transcribe 1 speech-to-text. Billed per second of audio.