Grok 4.3 vs Grok 4.5

Grok 4.3 is about 1.9× cheaper than Grok 4.5 on blended token cost ($1.56 vs $3 per 1M). Grok 4.3 (xAI) is $1.56/1M blended, 1M context. Grok 4.5 (xAI) is $3/1M blended, 500K context.

Last verified: 13 Aug 2026 · prices from official provider documentation

SpecGrok 4.3Grok 4.5
ProviderxAIxAI
StatusGAGA
Input $/1M$1.25$2
Output $/1M$2.50$6
Blended $/1M$1.56$3
Context1M500K
Max output
Cutoff