Grok 4.5 vs Mistral Large 3

xAI's Grok 4.5 and Mistral AI's Mistral Large 3 compared on specs, pricing, and capabilities — as configured in AI Crucible ensembles.

Mistral Large 3 input tokens are 4.0x cheaper than Grok 4.5 ($0.60 vs $2.40 per 1M tokens).
Mistral Large 3 output tokens are 4.0x cheaper than Grok 4.5 ($1.80 vs $7.20 per 1M tokens).
Grok 4.5 offers the larger context window: 500K tokens vs 256K tokens for Mistral Large 3.
Grok 4.5 is a reasoning model that spends extra tokens thinking before answering; Mistral Large 3 responds directly.

Specification	Grok 4.5	Mistral Large 3
Provider	xAI	Mistral AI
API model ID	grok-4.5	mistral-large-latest
Description	xAI's most intelligent and fastest Grok model, built for coding and agentic work.	Mistral AI's flagship model with 41B active parameters, excelling at complex reasoning and multimodal tasks.
Context window	500K tokens	256K tokens
Max output tokens	32,768	8,192
Input cost ($/1M tokens)	$2.40	$0.60
Output cost ($/1M tokens)	$7.20	$1.80
Cache read cost ($/1M tokens)	$0.60	-
Latency	medium	medium
Reasoning model	Yes	No
Vision (image input)	Yes	Yes
Tool use	Yes	Yes