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xAI: Grok 4.5

X-AI Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1599Chatbot Arena Verified
Max Context500,000Tokens
API Cost / 1M$8.00Blended Prompt + Completion

Model Capabilities

  • Reasoning
  • Top Tier
  • Coding & Logic
  • Fictional
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Granular Pricing Matrix

Input Tokens (Prompt)$2.00 / 1M
Output Tokens (Completion)$6.00 / 1M

Pricing data via OpenRouter. Sync: 7/8/2026

Evaluate Competitors

VS Engine MatchupxAI: Grok 4.5 vs DeepSeek: DeepSeek V4 ProVS Engine MatchupxAI: Grok 4.5 vs Anthropic: Claude Sonnet 5VS Engine MatchupxAI: Grok 4.5 vs DeepSeek: DeepSeek V3.2VS Engine MatchupxAI: Grok 4.5 vs xAI: Grok Build 0.1VS Engine MatchupxAI: Grok 4.5 vs Anthropic: Claude Fable 5VS Engine MatchupxAI: Grok 4.5 vs OpenAI: GPT-5.5 Pro