GPT-6 Astra vs Mistral Large 4

OpenAI's GPT-6 Astra and Mistral AI's Mistral Large 4 compared on specs, pricing, and capabilities — as configured in AI Crucible ensembles.

Mistral Large 4 input tokens are 14.3x cheaper than GPT-6 Astra ($0.84 vs $12.00 per 1M tokens).
Mistral Large 4 output tokens are 23.8x cheaper than GPT-6 Astra ($2.52 vs $60.00 per 1M tokens).
GPT-6 Astra offers the larger context window: 1.05M tokens vs 1.048576M tokens for Mistral Large 4.

Specification	GPT-6 Astra	Mistral Large 4
Provider	OpenAI	Mistral AI
API model ID	gpt-6-astra	mistral-large-4-0
Description	OpenAI's most capable model, built for the hardest end-to-end work, with 1M context.	Mistral AI's open-weight multimodal flagship (52B active / 1.05T total parameters) with reasoning and 1M context.
Context window	1.05M tokens	1.048576M tokens
Max output tokens	128,000	32,768
Input cost ($/1M tokens)	$12.00	$0.84
Output cost ($/1M tokens)	$60.00	$2.52
Cache read cost ($/1M tokens)	$1.20	$0.08
Latency	high	medium
Reasoning model	Yes	Yes
Vision (image input)	Yes	Yes
Tool use	Yes	Yes