Compare OpenAI: GPT-5.6 Luna by OpenAI against Grok 3 Mini Beta by xAI, context windows of 1.1M vs 131K, tested across 13 shared challenges.
No community votes yet. On paper, OpenAI: GPT-5.6 Luna has the edge — bigger model tier, newer, bigger context window.
Grok 3 Mini Beta is 7.5x cheaper per token — worth considering if cost matters.
Grok 3 Mini Beta is cheaper on both — 2.5× input, 7.5× output
Compare OpenAI: GPT-5.6 Luna by OpenAI against Grok 3 Mini Beta by xAI, context windows of 1.1M vs 131K, tested across 13 shared challenges.
No community votes yet. On paper, OpenAI: GPT-5.6 Luna has the edge — bigger model tier, newer, bigger context window.
Grok 3 Mini Beta is 7.5x cheaper per token — worth considering if cost matters.
Grok 3 Mini Beta is cheaper on both — 2.5× input, 7.5× output