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Source: xAI model docs. Search includes Web Search and X Search, priced at $2.50-$5/1K calls. Cached input: $0.05/1M.

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Grok 4.5

grok-4.5

Reasoning · Speedxai/grok-4.5xAI’s July 2026 flagship for coding, agentic tool use, and knowledge work. Configurable reasoning effort (low / medium / high).
  • $2 / $6 ($4 / $12 above 200K prompt tokens)
  • 500K context
  • Text, Image input
  • Configurable reasoning
  • Web search

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Grok 4.3

grok-4.3

Reasoning · Speedxai/grok-4.3Production mid-tier for coding, agents, and general workloads. Replacement for the retired Grok 4 Fast / 4.1 Fast slugs (removed May 15, 2026).
  • $1.25 / $2.50
  • 1M context
  • Text, Image input
  • Reasoning
  • Web search