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.

Grok STT 1.0xAI Remove
Aura-2Deepgram Remove
Muse Spark 1.3Meta Remove
Gemini 3.5 TranscribeGoogle Remove

4 is the maximum. Remove one to add another.

grok-stt-1.0 vs aura-2 vs muse-spark-1.3 vs gemini-3.5-transcribe
Attribute	Grok STT 1.0grok-stt-1.0	Aura-2aura-2	Muse Spark 1.3muse-spark-1.3	Gemini 3.5 Transcribegemini-3.5-transcribe
Pricing
Input	$0 / 1M	$0 / 1M	$1.25 / 1M	$0 / 1M
Output	$0 / 1M	$0 / 1M	$4.25 / 1M	$0 / 1M
Cache Write (5m)	Not applicable	Not applicable	$1.25 / 1M	Not applicable
Cache Write (1h)	Not applicable	Not applicable	$1.25 / 1M	Not applicable
Cache Read	Not applicable	Not applicable	$1.25 / 1M	Not applicable
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	N/A	N/A	1M	98.3K
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	Yes	No
Streaming	No	No	Yes	No
Catalogue
Provider	xAI	Deepgram	Meta	Google
Category	voice	voice	chat	voice
Charge type	Pay As You Go	Pay As You Go	Pay As You Go	Pay As You Go
Released	2026-07-23	2026-07-16	—	2026-09-25
Description
Summary	xAI Grok STT 1.0 speech-to-text. Billed per second of audio.	Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.	Muse Spark 1.3 is Meta's multimodal reasoning model designed for long-running agentic, multi-agent, and coding workflows. It maintains context and information across extended tasks, enabling reliable execution in complex, multi-step environments. The model is optimized to resolve conflicting information, seek clarification or confirmation when necessary, and execute concisely, making it well suited for autonomous agents, collaborative multi-agent systems, and long-horizon software engineering workflows.	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.