Grok 4.5

Overview

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

Best for

Best for
Provider diversification and frontier A/B tests

Use cases

• chat products
• research agents
• coding experiments

How to use / API access

Call via OpenRouter with model id `x-ai/grok-4.5`.

• openrouter · x-ai/grok-4.5 Docs

OpenRouter id: x-ai/grok-4.5

Benchmarks

• Intelligence Index (artificial-analysis) : 53.8 index
• Coding Index (artificial-analysis) : 72.4 index
• Agentic Index (artificial-analysis) : 45.7 index
• Design Arena webapps (other) : 1275 elo · #5
• Design Arena 3d (other) : 1342 elo · #5
• Design Arena codecategories (other) : 1327 elo · #5
• Design Arena dataviz (other) : 1352 elo · #3

Enterprise DNA angle

Omni makes provider diversification operational: same jobs, different model ids, shared evals.

Notes

Grok 4.5 is listed in the EDNA Models directory from the OpenRouter catalogue.