Short answer: GPT-6 Luna is 62x cheaper (0.013¢ vs 0.79¢ a chat). Grok 4.7 ranks higher overall (#15 vs #16). GPT-6 Luna wins at coding, maths, following instructions. Grok 4.7 wins at reasoning, writing. Pick GPT-6 Luna for everyday use and Grok 4.7 when quality matters most.
OOPENAIGANG
GPT-6 LUNA
OPENAI GANG
CRAPGPT.LOLINDEPENDENT AI MODEL REVIEWS
CRAP SCORE714 SOURCES
INTELLIGENCEPEOPLETOOLSA BRIGHTERTOMORROW.
BETTERIDEASHIGHERPEOPLE
POWER60ARENA · EPOCH · AA · CRAPGPT
Reasoning
61
Math
70
Code
67
Instruction
60
Writing
49
Value
90
SPECIALIST★★★
REASONER / ANALYST
0.013¢ per chat · 7,792 chats per NZ$1
“Deep thought. Low drama.”
Every model is somebody.
— CRAPGPT.LOL —
XXAIGANG
GROK 4.7
XAI GANG
CRAPGPT.LOLINDEPENDENT AI MODEL REVIEWS
CRAP SCORE484 SOURCES
REALQUESTIONS.BOLDERANSWERS.
HIGHERCEILINGS.HARDERPROBLEMS.
POWER61ARENA · EPOCH · AA · CRAPGPT
Reasoning
71
Code
64
Writing
61
Instruction
47
Math
47
Value
22
BOSS★★★
REASONER / CODER
0.79¢ per chat · 126 chats per NZ$1
“See the whole pattern.”
Every model is somebody.
— CRAPGPT.LOL —
GPT-6 Luna
Grok 4.7
Cost per chat (NZD)
0.013¢
0.79¢
Chats per NZ$1
7,792
126
Overall rank
#16
#15
Vendor
OpenAI
xAI
Speciality
Reasoning
Reasoning
Reasoning
61
71
Code
67
64
Math
70
47
Writing
49
61
Instruction
60
47
Scores are 0 to 100 percentiles blending LMArena, Epoch AI, Artificial Analysis and CrapGPT's own tests. Updated 2026-10-11.
FAQ
Which is cheaper, GPT-6 Luna or Grok 4.7?
GPT-6 Luna costs 0.013¢ per typical chat versus 0.79¢ for Grok 4.7 on CrapGPT (NZD, measured token use).
Which is better, GPT-6 Luna or Grok 4.7?
Grok 4.7 ranks higher overall on CrapGPT's blended benchmark score. By category: GPT-6 Luna leads at coding, maths, following instructions; Grok 4.7 leads at reasoning, writing.
Can I try GPT-6 Luna and Grok 4.7 side by side?
Yes. CrapGPT's card battle sends one prompt to two models and lets you pick the winner, paying only for the two replies.
