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.

Perceptron Mk1.5Perceptron Remove
Transcribe 1 ProFish Audio Remove
Gemini 3.5 TranscribeGoogle Remove
GPT-5.6 TerraOpenAI Remove

4 is the maximum. Remove one to add another.

perceptron-mk1.5 vs transcribe-1-pro vs gemini-3.5-transcribe vs gpt-5.6-terra
Attribute	Perceptron Mk1.5perceptron-mk1.5	Transcribe 1 Protranscribe-1-pro	Gemini 3.5 Transcribegemini-3.5-transcribe	GPT-5.6 Terragpt-5.6-terra
Pricing
Input	$0.15 / 1M	— Not priced per input token	— Not priced per input token	$2.00 / 1M
Output	$1.50 / 1M	— Not priced per output token	— Not priced per output token	$12.00 / 1M
Cache Write (5m)	$0.15 / 1M	Not applicable	Not applicable	$2.00 / 1M
Cache Write (1h)	$0.15 / 1M	Not applicable	Not applicable	$2.00 / 1M
Cache Read	$0.15 / 1M	Not applicable	Not applicable	$2.00 / 1M
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	36.9K	N/A	98.3K	1M
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	No	No	Yes	Yes
Function Calling	No	No	Yes	Yes
JSON Mode	No	No	No	Yes
Streaming	Yes	No	No	Yes
Catalogue
Provider	Perceptron	Fish Audio	Google	OpenAI
Category	chat	voice	voice	chat
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	2026-09-25	2026-09-24	2026-09-25	—
Description
Summary	Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.	Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <\|speaker:0\|>. Billed per second of audio.	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.	GPT-5.6 Terra is the balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is designed for everyday coding, reasoning, and agentic workflows, delivering strong performance while balancing capability and cost. Offering near-flagship quality at approximately half the cost of Sol, GPT-5.6 Terra is well suited for production applications that require reliable reasoning, software development, and scalable agent execution.