Llama 4 Maverick vs o3 Mini

Compare Llama 4 Maverick by Meta AI against o3 Mini by OpenAI, context windows of 1.0M vs 64K, tested across 53 shared challenges. Updated April 2026.

Which is better, Llama 4 Maverick or o3 Mini?

Llama 4 Maverick and o3 Mini are both competitive models. Llama 4 Maverick costs $1.5/M input tokens vs $1.1/M for o3 Mini. Context windows: 1000K vs 64K tokens. Compare their real outputs side by side below.

Key Differences Between Llama 4 Maverick and o3 Mini

Llama 4 Maverick is made by meta while o3 Mini is from openai. Llama 4 Maverick has a 1000K token context window compared to o3 Mini's 64K. On pricing, Llama 4 Maverick costs $1.5/M input tokens vs $1.1/M for o3 Mini.

Our Verdict
Llama 4 Maverick
Llama 4 Maverick
o3 Mini
o3 MiniRunner-up

No community votes yet. On paper, Llama 4 Maverick has the edge — bigger model tier, newer, bigger context window.

Slight edge
Writing DNA

Style Comparison

Similarity
88%

Llama 4 Maverick uses 3.7x more lists

Llama 4 Maverick
o3 Mini
42%Vocabulary65%
24wSentence Length17w
0.76Hedging0.74
3.7Bold3.9
6.3Lists1.7
0.00Emoji0.00
0.74Headings0.47
0.11Transitions0.38
Based on 12 + 12 text responses
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Llama 4 Mavericko3 Mini

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

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