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.

Transcribe 1 ProFish Audio Remove
Perceptron Mk1.5Perceptron Remove
MAI-Transcribe 2Microsoft Remove
GPT-6 AstraOpenAI Remove

4 is the maximum. Remove one to add another.

transcribe-1-pro vs perceptron-mk1.5 vs mai-transcribe-2 vs gpt-6-astra
Attribute	Transcribe 1 Protranscribe-1-pro	Perceptron Mk1.5perceptron-mk1.5	MAI-Transcribe 2mai-transcribe-2	GPT-6 Astragpt-6-astra
Pricing
Input	$0 / 1M	$0.15 / 1M	$0 / 1M	$10.00 / 1M
Output	$0 / 1M	$1.50 / 1M	$0 / 1M	$50.00 / 1M
Cache Write (5m)	Not applicable	$0.15 / 1M	Not applicable	$10.00 / 1M
Cache Write (1h)	Not applicable	$0.15 / 1M	Not applicable	$10.00 / 1M
Cache Read	Not applicable	$0.15 / 1M	Not applicable	$10.00 / 1M
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	N/A	36.9K	N/A	1M
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	No	No	No	Yes
Function Calling	No	No	No	Yes
JSON Mode	No	No	No	Yes
Streaming	No	Yes	No	Yes
Catalogue
Provider	Fish Audio	Perceptron	Microsoft	OpenAI
Category	voice	chat	voice	chat
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	2026-09-24	2026-09-25	2026-09-03	—
Description
Summary	Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <\|speaker:0\|>. Billed per second of audio.	Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.	Microsoft MAI-Transcribe-2 speech-to-text. Billed per second of audio.	GPT-6 Astra is OpenAI's flagship model for demanding end-to-end professional work, designed for advanced analysis, software engineering, deep research, scientific tasks, and document creation. It is particularly strong in long-horizon agentic workflows, including tasks that require sustained reasoning, tool orchestration, and computer and browser use, making it well suited for complex autonomous workflows and production-grade knowledge work.