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
S2.1 ProFish Audio Remove
GPT-6 SolOpenAI Remove
Qwen3 ASR 0.6BQwen Remove

4 is the maximum. Remove one to add another.

claude-sonnet-5.5 vs s2.1-pro vs gpt-6-sol vs qwen3-asr-0.6b
Attribute	Claude Sonnet 5.5claude-sonnet-5.5	S2.1 Pros2.1-pro	GPT-6 Solgpt-6-sol	Qwen3 ASR 0.6Bqwen3-asr-0.6b
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	Qwen
Category	chat	voice	chat	voice
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	—	2026-07-29	—	2026-08-13
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 S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.	GPT-6 Sol is OpenAI's cost-efficient high-end model in the GPT-6 series, positioned between the flagship GPT-6 Astra and the fast GPT-6 Luna tier. It is designed for professional knowledge work, agentic coding, business workflow automation, and computer-use tasks, with particular strength in long-horizon software engineering across real-world codebases. GPT-6 Sol approaches Astra-level factual reliability at a significantly lower cost, while sharing its clear and concise communication style. This balance of capability, reliability, and efficiency makes it well suited for production agents, complex engineering workflows, and scalable professional applications	Qwen3-ASR 0.6B speech-to-text. Billed per second of audio.