Horizon Beta vs Llama 4 Maverick

Compare Horizon Beta by OpenRouter against Llama 4 Maverick by Meta AI, context windows of 256K vs 1.0M, tested across 40 shared challenges. Updated April 2026.

Which is better, Horizon Beta or Llama 4 Maverick?

Horizon Beta and Llama 4 Maverick are both competitive models. Horizon Beta costs $0/M input tokens vs $1.5/M for Llama 4 Maverick. Context windows: 256K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Horizon Beta and Llama 4 Maverick

Horizon Beta is made by openrouter while Llama 4 Maverick is from meta. Horizon Beta has a 256K token context window compared to Llama 4 Maverick's 1000K. On pricing, Horizon Beta costs $0/M input tokens vs $1.5/M for Llama 4 Maverick.

Our Verdict
Llama 4 Maverick
Llama 4 Maverick
Horizon Beta
Horizon BetaRunner-up

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

Too close to call
Writing DNA

Style Comparison

Similarity
93%

Llama 4 Maverick uses 370.1x more bold

Horizon Beta
Llama 4 Maverick
62%Vocabulary42%
15wSentence Length24w
0.24Hedging0.76
0.0Bold3.7
2.2Lists6.3
0.00Emoji0.00
0.00Headings0.74
0.18Transitions0.11
Based on 16 + 12 text responses
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Horizon BetaLlama 4 Maverick

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
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