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.

Gemini 3.5 TranscribeGoogle Remove
Perceptron Mk1.5Perceptron Remove
GPT-6 SolOpenAI Remove
S1Fish Audio Remove

4 is the maximum. Remove one to add another.

gemini-3.5-transcribe vs perceptron-mk1.5 vs gpt-6-sol vs s1
Attribute	Gemini 3.5 Transcribegemini-3.5-transcribe	Perceptron Mk1.5perceptron-mk1.5	GPT-6 Solgpt-6-sol	S1s1
Pricing
Input	$0 / 1M	$0.15 / 1M	$2.00 / 1M	$0 / 1M
Output	$0 / 1M	$1.50 / 1M	$10.00 / 1M	$0 / 1M
Cache Write (5m)	Not applicable	$0.15 / 1M	$2.00 / 1M	Not applicable
Cache Write (1h)	Not applicable	$0.15 / 1M	$2.00 / 1M	Not applicable
Cache Read	Not applicable	$0.15 / 1M	$2.00 / 1M	Not applicable
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	98.3K	36.9K	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	No	No	Yes	No
Streaming	No	Yes	Yes	No
Catalogue
Provider	Google	Perceptron	OpenAI	Fish Audio
Category	voice	chat	chat	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	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.	Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.	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	Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.