Compare Andromeda Alpha and Polaris Alpha, both from OpenRouter, context windows of 128K vs 256K, tested across 31 shared challenges. Updated April 2026.
Andromeda Alpha and Polaris Alpha are both competitive models. Andromeda Alpha costs $0/M input tokens vs $0/M for Polaris Alpha. Context windows: 128K vs 256K tokens. Compare their real outputs side by side below.
Andromeda Alpha is made by openrouter while Polaris Alpha is from openrouter. Andromeda Alpha has a 128K token context window compared to Polaris Alpha's 256K. On pricing, Andromeda Alpha costs $0/M input tokens vs $0/M for Polaris Alpha.
No community votes yet. On paper, Polaris Alpha has the edge — bigger model tier, bigger context window.
Andromeda Alpha uses 775.9x more bold
Ask 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.

Compare Andromeda Alpha and Polaris Alpha, both from OpenRouter, context windows of 128K vs 256K, tested across 31 shared challenges. Updated April 2026.
Andromeda Alpha and Polaris Alpha are both competitive models. Andromeda Alpha costs $0/M input tokens vs $0/M for Polaris Alpha. Context windows: 128K vs 256K tokens. Compare their real outputs side by side below.
Andromeda Alpha is made by openrouter while Polaris Alpha is from openrouter. Andromeda Alpha has a 128K token context window compared to Polaris Alpha's 256K. On pricing, Andromeda Alpha costs $0/M input tokens vs $0/M for Polaris Alpha.
No community votes yet. On paper, Polaris Alpha has the edge — bigger model tier, bigger context window.
Andromeda Alpha uses 775.9x more bold
Ask 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.

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31 fights queued
19+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy