GPT-5 Codex vs Llama 4 Maverick

Compare GPT-5 Codex by OpenAI against Llama 4 Maverick by Meta AI, tested across 26 shared challenges. Updated March 2026.

Which is better, GPT-5 Codex or Llama 4 Maverick?

GPT-5 Codex and Llama 4 Maverick are both competitive models. Compare their real outputs side by side below.

Key Differences Between GPT-5 Codex and Llama 4 Maverick

GPT-5 Codex is made by openai while Llama 4 Maverick is from meta.

Our Verdict
GPT-5 Codex
GPT-5 Codex
Llama 4 Maverick
Llama 4 Maverick

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

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GPT-5 CodexLlama 4 Maverick
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