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
Aura-2Deepgram Remove
Transcribe 1 ProFish Audio Remove
GPT-6 AstraOpenAI Remove

4 is the maximum. Remove one to add another.

gemini-3.5-transcribe vs aura-2 vs transcribe-1-pro vs gpt-6-astra
Attribute	Gemini 3.5 Transcribegemini-3.5-transcribe	Aura-2aura-2	Transcribe 1 Protranscribe-1-pro	GPT-6 Astragpt-6-astra
Pricing
Input	$0 / 1M	$0 / 1M	$0 / 1M	$10.00 / 1M
Output	$0 / 1M	$0 / 1M	$0 / 1M	$50.00 / 1M
Cache Write (5m)	Not applicable	Not applicable	Not applicable	$10.00 / 1M
Cache Write (1h)	Not applicable	Not applicable	Not applicable	$10.00 / 1M
Cache Read	Not applicable	Not applicable	Not applicable	$10.00 / 1M
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	98.3K	N/A	N/A	1M
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	Yes	No	No	Yes
Function Calling	Yes	No	No	Yes
JSON Mode	No	No	No	Yes
Streaming	No	No	No	Yes
Catalogue
Provider	Google	Deepgram	Fish Audio	OpenAI
Category	voice	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	2026-07-16	2026-09-24	—
Description
Summary	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.	Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.	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 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.