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

# Compare Grok and Opus for coding tasks

Jul 2025 / 7,208 views / [via X](https://x.com/iannuttall/status/1943709407487123479)

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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