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
GPT-6 Sol ProOpenAI Remove
Perceptron Mk1.5Perceptron Remove
S2.1 ProFish Audio Remove

4 is the maximum. Remove one to add another.

transcribe-1-pro vs gpt-6-sol-pro vs perceptron-mk1.5 vs s2.1-pro
Attribute	Transcribe 1 Protranscribe-1-pro	GPT-6 Sol Progpt-6-sol-pro	Perceptron Mk1.5perceptron-mk1.5	S2.1 Pros2.1-pro
Pricing
Input	$0 / 1M	$2.00 / 1M	$0.15 / 1M	$0 / 1M
Output	$0 / 1M	$10.00 / 1M	$1.50 / 1M	$0 / 1M
Cache Write (5m)	Not applicable	$2.00 / 1M	$0.15 / 1M	Not applicable
Cache Write (1h)	Not applicable	$2.00 / 1M	$0.15 / 1M	Not applicable
Cache Read	Not applicable	$2.00 / 1M	$0.15 / 1M	Not applicable
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	N/A	1.1M	36.9K	N/A
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	No	Yes	No	No
Function Calling	No	Yes	No	No
JSON Mode	No	Yes	No	No
Streaming	No	Yes	Yes	No
Catalogue
Provider	Fish Audio	OpenAI	Perceptron	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	2026-09-24	—	2026-09-25	2026-07-29
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.	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.	Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.	Fish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.