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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

4 is the maximum. Remove one to add another.

gpt-6-astra vs gemini-3.5-transcribe vs grok-stt-1.0 vs perceptron-mk1.5
Attribute	GPT-6 Astragpt-6-astra	Gemini 3.5 Transcribegemini-3.5-transcribe	Grok STT 1.0grok-stt-1.0	Perceptron Mk1.5perceptron-mk1.5
Pricing
Input	$10.00 / 1M	$0 / 1M	$0 / 1M	$0.15 / 1M
Output	$50.00 / 1M	$0 / 1M	$0 / 1M	$1.50 / 1M
Cache Write (5m)	$10.00 / 1M	Not applicable	Not applicable	$0.15 / 1M
Cache Write (1h)	$10.00 / 1M	Not applicable	Not applicable	$0.15 / 1M
Cache Read	$10.00 / 1M	Not applicable	Not applicable	$0.15 / 1M
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	1M	98.3K	N/A	36.9K
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	Yes	Yes	No	No
Function Calling	Yes	Yes	No	No
JSON Mode	Yes	No	No	No
Streaming	Yes	No	No	Yes
Catalogue
Provider	OpenAI	Google	xAI	Perceptron
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	2026-07-23	2026-09-25
Description
Summary	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.	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.	xAI Grok STT 1.0 speech-to-text. Billed per second of audio.	Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.