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Next.js Evals - Performance results of AI coding agents on Next.js

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Performance results of AI coding agents on Next.js code generation and migration tasks, measuring success rate and execution time.

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fmerian
Hunter
📌

In a recent thread, we debated what the best AI coding models are, and some community members rightly pointed out that, well, it depends.

@Next.js recently released their benchmark, updated daily, and currently, @OpenAI's GPT 5.3 Codex (xhigh) is achieving 90% on evals out of the box.

Now we know! Until the next model release.

View source code on GitHub

Ana Silva

Real benchmarks like this cut through the AI hype.

Nouf Crypto

Success rate matters more than flashy demos.