Compare models

Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

Claude Sonnet 5.5Anthropic Remove
Transcribe 1 ProFish Audio Remove
GPT-6 Sol ProOpenAI Remove
S1Fish Audio Remove

4 is the maximum. Remove one to add another.

claude-sonnet-5.5 vs transcribe-1-pro vs gpt-6-sol-pro vs s1
Attribute	Claude Sonnet 5.5claude-sonnet-5.5	Transcribe 1 Protranscribe-1-pro	GPT-6 Sol Progpt-6-sol-pro	S1s1
Pricing
Input	$2.00 / 1M	$0 / 1M	$2.00 / 1M	$0 / 1M
Output	$10.00 / 1M	$0 / 1M	$10.00 / 1M	$0 / 1M
Cache Write (5m)	$2.50 / 1M	Not applicable	$2.00 / 1M	Not applicable
Cache Write (1h)	$4.00 / 1M	Not applicable	$2.00 / 1M	Not applicable
Cache Read	$0.20 / 1M	Not applicable	$2.00 / 1M	Not applicable
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	1M	N/A	1.1M	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	Yes	No
Streaming	Yes	No	Yes	No
Catalogue
Provider	Anthropic	Fish Audio	OpenAI	Fish Audio
Category	chat	voice	chat	voice
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	—	2026-09-24	—	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.	Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <\|speaker:0\|>. Billed per second of audio.	GPT-6 Sol Pro uses the same underlying model as GPT-6 Sol, but runs with reasoning.mode set to pro for higher-quality responses on complex and demanding tasks. Optimized for deeper reasoning, greater accuracy, and more reliable multi-step execution, it is particularly well suited for agentic coding, long-horizon software engineering, professional analysis, and complex automated workflows where solution quality takes priority over latency and cost.	Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.