---
title: "Compare Grok and Opus for coding tasks"
description: "Grok 4 vs Opus 4 comparison"
canonical: "https://ian.is/grok-opus-comparison"
language: "en"
---

[Ian Nuttall](https://ian.is/)

# Compare Grok and Opus for coding tasks

July 11, 2025

Grok 4 vs Opus 4 challenge:

Grok is faster, cheaper, and better at finding hard bugs. But the rate limits are infuriating and it occasionally ignores instructions.

Opus is slower and pricier but predictable and reliable.

(Link below)

![Image from the original X post](https://ian.is/media/tweets/1943709407487123479/1943709407487123479/46be33743969ce8cc8b776ef8a4e1f5408a43fbad65c0fb2515c4e975d00725a.jpg)

[https://forgecode.dev/blog/claude-4-opus-vs-grok-4-comparison-full/](https://forgecode.dev/blog/claude-4-opus-vs-grok-4-comparison-full/)

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