Grok Code Fast 1 vs Laguna XS.2

Pick Grok Code Fast 1 if you want the stronger benchmark profile. Laguna XS.2 only becomes the better choice if you want the cheaper token bill or you want the stronger reasoning-first profile.

Grok Code Fast 1 has the cleaner provisional overall profile here, landing at 39 versus 37. It is a real lead, but still close enough that category-level strengths matter more than the headline number.

Grok Code Fast 1's sharpest advantage is in coding, where it averages 70.8 against 55.1. The single biggest benchmark swing on the page is SWE-bench Verified, 70.8% to 69.9%.

Grok Code Fast 1 is also the more expensive model on tokens at $0.20 input / $1.50 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Laguna XS.2. That is roughly Infinityx on output cost alone. Laguna XS.2 is the reasoning model in the pair, while Grok Code Fast 1 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Grok Code Fast 1 gives you the larger context window at 256K, compared with 131K for Laguna XS.2.