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xAI

Grok 4.5

xAI's Grok model for chat, coding, agentic tools, and lower hallucination risk

Model facts

Context window
5K tokens
Maximum output
5K tokens
Cheapest paid input
$2 per 1M tokens
Cheapest paid output
$6 per 1M tokens
Open weights
no
Providers
26

Capabilities and modalities

reasoning, tool calling, structured output, attachments, temperature control, text, image, pdf.

Artificial Analysis benchmarks

Compare this model on the full LLM benchmark leaderboard.

ConfigurationAAICodingMathOutput tokens/s
high55.872.4not measured50.5

Observed price history

  • 2026-08-24: $1.8 input / $5.4 output per 1M tokens
  • 2026-08-28: $2 input / $6 output per 1M tokens

API providers