I put Grok 4.20 Reasoning to the test to see if it actually handles real-world...

https://www.emergbook.win/i-tested-the-new-grok-3-reasoning-model-on-real-dev-tasks-while-the-logic-is

I put Grok 4.20 Reasoning to the test to see if it actually handles real-world dev tasks. Priced at $1.25 per 1M input tokens, it is quite aggressive on costs. I break down exactly where the model shines in code generation and where it hits limits