Andromeda Alpha vs Horizon Alpha
Compare Andromeda Alpha and Horizon Alpha, both from OpenRouter, context windows of 128K vs 256K, tested across 30 shared challenges. Updated April 2026.
Which is better, Andromeda Alpha or Horizon Alpha?
Andromeda Alpha and Horizon Alpha are both competitive models. Andromeda Alpha costs $0/M input tokens vs $0/M for Horizon Alpha. Context windows: 128K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between Andromeda Alpha and Horizon Alpha
Andromeda Alpha is made by openrouter while Horizon Alpha is from openrouter. Andromeda Alpha has a 128K token context window compared to Horizon Alpha's 256K. On pricing, Andromeda Alpha costs $0/M input tokens vs $0/M for Horizon Alpha.
No community votes yet. On paper, Horizon Alpha has the edge — bigger model tier, bigger context window.
Style Comparison
Andromeda Alpha uses 775.9x more bold
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
