Short answer: Gemini 3.8 Flash is 1.5x cheaper (0.43¢ vs 0.63¢ a chat). OpenAI o3 ranks higher overall (#5 vs #7). Gemini 3.8 Flash wins at reasoning, agentic tasks. OpenAI o3 wins at coding, maths. Pick Gemini 3.8 Flash for everyday use and OpenAI o3 when quality matters most.
GGOOGLEGANG
GEMINI 3.8 FLASH
GOOGLE GANG
CRAPGPT.LOLINDEPENDENT AI MODEL REVIEWS
CRAP SCORE643 SOURCES
MULTIMODALINTELLIGENCEFOR A MOREOPENTOMORROW
SEEUNDERSTANDREASONCREATE
POWER76EPOCH · AA · CRAPGPT
Reasoning
90
Agentic
85
Code
75
Math
58
Instruction
54
Value
42
OPERATOR★★★★
GENERALIST / REASONER
0.43¢ per chat · 232 chats per NZ$1
“Polished. Dangerous. Usually right.”
Every model is somebody.
— CRAPGPT.LOL —
OOPENAIGANG
OPENAI O3
OPENAI GANG
CRAPGPT.LOLINDEPENDENT AI MODEL REVIEWS
CRAP SCORE672 SOURCES
INTELLIGENCEPEOPLETOOLSA BRIGHTERTOMORROW.
BETTERIDEASHIGHERPEOPLE
POWER82AA · CRAPGPT
Math
89
Code
83
Instruction
79
Reasoning
73
Agentic
71
Value
38
LIEUTENANT★★★★
ANALYST / CODER
0.63¢ per chat · 159 chats per NZ$1
“Show your working.”
Every model is somebody.
— CRAPGPT.LOL —
Gemini 3.8 Flash
OpenAI o3
Cost per chat (NZD)
0.43¢
0.63¢
Chats per NZ$1
232
159
Overall rank
#7
#5
Vendor
Google
OpenAI
Speciality
General
Math
Reasoning
90
73
Code
75
83
Math
58
89
Agentic
85
71
Scores are 0 to 100 percentiles blending LMArena, Epoch AI, Artificial Analysis and CrapGPT's own tests. Updated 2026-10-13.
FAQ
Which is cheaper, Gemini 3.8 Flash or OpenAI o3?
Gemini 3.8 Flash costs 0.43¢ per typical chat versus 0.63¢ for OpenAI o3 on CrapGPT (NZD, measured token use).
Which is better, Gemini 3.8 Flash or OpenAI o3?
OpenAI o3 ranks higher overall on CrapGPT's blended benchmark score. By category: Gemini 3.8 Flash leads at reasoning, agentic tasks; OpenAI o3 leads at coding, maths.
Can I try Gemini 3.8 Flash and OpenAI o3 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.
