Grok 4.5
Grok 4.5 is an AI model from xAI on the polora AI Index — practical benchmarks, pricing, and side-by-side comparison.
xAI's frontier model for coding, agentic tasks, and knowledge work — Cursor-trained, with adjustable reasoning levels and a 500K-token context window. Released July 8, 2026.
- Provider: xAI
- Context window: 500,000 tokens
- Pricing: $2.0/1M input tokens · $6.0/1M output tokens
Strengths:
- Agentic coding
- Token-efficient reasoning
- Function calling + web search
Best for:
- Software engineering agents
- Knowledge work
- Cost-efficient frontier tasks
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