Grok Code Fast 1 vs Polaris Alpha
Compare Grok Code Fast 1 by xAI against Polaris Alpha by OpenRouter, context windows of 256K vs 256K, tested across 35 shared challenges. Updated April 2026.
Which is better, Grok Code Fast 1 or Polaris Alpha?
Grok Code Fast 1 and Polaris Alpha are both competitive models. Grok Code Fast 1 costs $0.2/M input tokens vs $0/M for Polaris Alpha. Context windows: 256K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between Grok Code Fast 1 and Polaris Alpha
Grok Code Fast 1 is made by xai while Polaris Alpha is from openrouter. Grok Code Fast 1 has a 256K token context window compared to Polaris Alpha's 256K. On pricing, Grok Code Fast 1 costs $0.2/M input tokens vs $0/M for Polaris Alpha.
No community votes yet. On paper, Polaris Alpha has the edge — bigger model tier, newer.
Style Comparison
Grok Code Fast 1 uses 280.1x 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.
