OpenAI o3 vs Grok 4.7

Short answer: OpenAI o3 is 1.3x cheaper (0.63¢ vs 0.79¢ a chat). OpenAI o3 ranks higher overall (#11 vs #15). OpenAI o3 wins at maths, following instructions. Grok 4.7 wins at reasoning, writing. OpenAI o3 is the better all-rounder for the money, but Grok 4.7 is worth it if you mostly need reasoning, writing.

OpenAI o3
OOPENAIGANG
OPENAI O3
OPENAI GANG
CRAPGPT.LOLINDEPENDENT
AI MODEL
REVIEWS
CRAP SCORE563 SOURCES
INTELLIGENCEPEOPLETOOLSA BRIGHTERTOMORROW.
BETTERIDEASHIGHERPEOPLE
POWER66ARENA · AA · CRAPGPT
Math
82
Agentic
71
Code
64
Reasoning
61
Instruction
54
Value
38
LIEUTENANT★★★★
ANALYST / AGENT
0.63¢ per chat · 159 chats per NZ$1
“Show your working.”
Every model is somebody.
— CRAPGPT.LOL —
Grok 4.7
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 —
OpenAI o3Grok 4.7
Cost per chat (NZD)0.63¢0.79¢
Chats per NZ$1159126
Overall rank#11#15
VendorOpenAIxAI
SpecialityMathReasoning
Reasoning6171
Code6464
Math8247
Writing3661
Instruction5447

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, OpenAI o3 or Grok 4.7?

OpenAI o3 costs 0.63¢ per typical chat versus 0.79¢ for Grok 4.7 on CrapGPT (NZD, measured token use).

Which is better, OpenAI o3 or Grok 4.7?

OpenAI o3 ranks higher overall on CrapGPT's blended benchmark score. By category: OpenAI o3 leads at maths, following instructions; Grok 4.7 leads at reasoning, writing.

Can I try OpenAI o3 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.

Battle them yourself OpenAI o3 details · Grok 4.7 details