GPT-5.1-Codex
Nothing here. The model returned empty. We stared at it for a while.
GPT-5.1-Codex vs Llama 4 Maverick
Compare GPT-5.1-Codex by OpenAI against Llama 4 Maverick by Meta AI, context windows of 400K vs 1.0M, tested across 52 shared challenges. Updated April 2026.
Which is better, GPT-5.1-Codex or Llama 4 Maverick?
GPT-5.1-Codex and Llama 4 Maverick are both competitive models. GPT-5.1-Codex costs $1.25/M input tokens vs $1.5/M for Llama 4 Maverick. Context windows: 400K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.1-Codex and Llama 4 Maverick
GPT-5.1-Codex is made by openai while Llama 4 Maverick is from meta. GPT-5.1-Codex has a 400K token context window compared to Llama 4 Maverick's 1000K. On pricing, GPT-5.1-Codex costs $1.25/M input tokens vs $1.5/M for Llama 4 Maverick.
Our Verdict
GPT-5.1-Codex
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.
Llama 4 Maverick is 4.0x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
95%
GPT-5.1-Codex uses 3.4x more transitions
GPT-5.1-Codex
Llama 4 Maverick
70%Vocabulary42%
17wSentence Length24w
0.39Hedging0.76
3.4Bold3.7
3.5Lists6.3
0.00Emoji0.00
0.50Headings0.74
0.38Transitions0.11
Based on 14 + 12 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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