Grok 3 Mini Beta vs Aurora Alpha

Compare Grok 3 Mini Beta by xAI against Aurora Alpha by OpenRouter, context windows of 131K vs 128K, tested across 13 shared challenges. Updated April 2026.

Which is better, Grok 3 Mini Beta or Aurora Alpha?

Grok 3 Mini Beta and Aurora Alpha are both competitive models. Grok 3 Mini Beta costs $0.4/M input tokens vs $0/M for Aurora Alpha. Context windows: 131K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Grok 3 Mini Beta and Aurora Alpha

Grok 3 Mini Beta is made by xai while Aurora Alpha is from openrouter. Grok 3 Mini Beta has a 131K token context window compared to Aurora Alpha's 128K. On pricing, Grok 3 Mini Beta costs $0.4/M input tokens vs $0/M for Aurora Alpha.

Our Verdict
Aurora Alpha
Aurora Alpha
Grok 3 Mini Beta
Grok 3 Mini BetaRunner-up

No community votes yet. On paper, Aurora Alpha has the edge — bigger model tier, newer.

Too close to call
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Grok 3 Mini BetaAurora Alpha

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
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