Grok 4.3 vs Voyage-3-large

Pick two tools from the same category to compare side-by-side.

	Grok 4.3 xAI's flagship API model, billed as its most intelligent and fastest, with strong agentic tool calling.	Voyage-3-large Higher-capacity Voyage embedding model for retrieval-quality-sensitive RAG.
Category	model	model
Vendor type	commercial	commercial
Pricing	usage	usage
Strengths	+ Aggressive pricing ($1.25 input / $2.50 output per million tokens) for a 1M-context flagship + Vendor-reported leadership in agentic tool calling and instruction following + Companion multi-agent variant (grok-4.20-multi-agent) targeted at agentic workloads	+ Higher retrieval quality than voyage-3 on demanding corpora + API-based; no embedding infrastructure to host
Tradeoffs	− Stated knowledge cutoff of November 2024 is older than competing flagships − Rapid model churn; xAI retired eight legacy models (including grok-3) in May 2026, so pinned integrations need active migration	− More expensive per token than voyage-3 − API-only; document text leaves your environment to be embedded
Used in stacks	0	1