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
Claude Sonnet 5.5Anthropic Remove
Aura-2Deepgram Remove
GPT-6 AstraOpenAI Remove

4 is the maximum. Remove one to add another.

gemini-3.5-transcribe vs claude-sonnet-5.5 vs aura-2 vs gpt-6-astra
Attribute	Gemini 3.5 Transcribegemini-3.5-transcribe	Claude Sonnet 5.5claude-sonnet-5.5	Aura-2aura-2	GPT-6 Astragpt-6-astra
Pricing
Input	$0 / 1M	$2.00 / 1M	$0 / 1M	$10.00 / 1M
Output	$0 / 1M	$10.00 / 1M	$0 / 1M	$50.00 / 1M
Cache Write (5m)	Not applicable	$2.50 / 1M	Not applicable	$10.00 / 1M
Cache Write (1h)	Not applicable	$4.00 / 1M	Not applicable	$10.00 / 1M
Cache Read	Not applicable	$0.20 / 1M	Not applicable	$10.00 / 1M
Web Search	$0 / 1M	$0 / 1M	$0 / 1M	$0 / 1M
Context
Max context	98.3K	1M	N/A	1M
Max output	N/A	N/A	N/A	N/A
Capabilities
Vision	Yes	Yes	No	Yes
Function Calling	Yes	Yes	No	Yes
JSON Mode	No	Yes	No	Yes
Streaming	No	Yes	No	Yes
Catalogue
Provider	Google	Anthropic	Deepgram	OpenAI
Category	voice	chat	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	—
Description
Summary	Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.	Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, serving as a direct upgrade to Sonnet 5. It excels at feature development, bug fixing, and creating polished documents, presentations, and spreadsheets, while offering clearer writing and communication than its predecessor.	Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.	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.