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Grok 4.5

Multimodalby xAI·Model page

xAI's reasoning-capable multimodal model with 500K-token context for text and image understanding.

Rankings
#50on OpenRouter
236.7B tokens
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Reasoning
Reasoning-first model

Works through a step-by-step chain of thought before answering.

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Design Arena

Design Arena ranks models on real-world front-end and design tasks — websites, UI components, data viz, SVG and more — through head-to-head human votes, scored as an ELO rating.
CategoryELOWin rateRank
3D134060.7%#5
Code132957.9%#5
Website132958.3%#4
Data viz131158.5%#7
Game dev131151.9%#13

Pricing

per 1M tokens
Input$2 /1M
Output$6 /1M
Cache read$0.5 /1M
Web search$0.0050

Model Description

Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Author
X
xAI
Organization
x-ai
Details
Downloads
Likes
AccessClosed Source
Context500K tokens
Input price$2 /1M
Output price$6 /1M
CreatedJul 8, 2026
Updated
View on Hugging Face
Benchmarks
Intelligence53.8
Coding72.4
Agentic45.7
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Grok 4.5 — AI Model Details | Applied