Best xAI Models for Writing

Match · Updated July 2026

The best xAI model for writing is Grok 4.5 — 53.8 intelligence with the context to hold a full long-form draft. Grok 4.3 (37.6) and Grok 4.20 (37.0) round out the top three.

53.8Intelligence

$2.00Input /M

500KContext

The best AI models for writing — drafting, editing, long-form content and creative work — ranked by general capability (the Artificial Analysis Intelligence Index) among models with the context to hold a full draft. There is no single writing benchmark, so this ranking uses overall intelligence as the proxy that correlates best with prose quality, restricted to models with at least 100K tokens of context.

Frequently asked

What is the best xAI model for writing?

The best xAI model for writing is Grok 4.5 — 53.8 intelligence with the context to hold a full long-form draft. Grok 4.3 (37.6) and Grok 4.20 (37.0) round out the top three.

What's a good alternative to Grok 4.5?

Grok 4.3 (37.6) is the closest alternative on this metric, followed by Grok 4.20 (37.0). See the full ranking above for the tradeoffs.

How many xAI models are there?

modelgrep tracks 5 xAI models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Grok 4.5. 3 of them qualify for this ranking.

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All rankings

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