Claude Opus 5.5 vs Gemini 3.8 Flash

Short answer: Gemini 3.8 Flash is 5.2x cheaper (0.43¢ vs 2.22¢ a chat). Claude Opus 5.5 ranks higher overall (#1 vs #4). Claude Opus 5.5 wins at reasoning, coding, maths, writing, following instructions, agentic tasks. Pick Gemini 3.8 Flash for everyday use and Claude Opus 5.5 when quality matters most.

Claude Opus 5.5
AANTHROPICGANG
CLAUDE OPUS 5.5
ANTHROPIC GANG
CRAPGPT.LOLINDEPENDENT
AI MODEL
REVIEWS
CRAP SCORE644 SOURCES
THINKDEEPERWRITECLEANERBUILD SAFER
SAFERIDEASA MOREHUMANTOMORROW
POWER94ARENA · EPOCH · AA · CRAPGPT
Code
94
Agentic
98
Writing
97
Reasoning
94
Math
91
Value
10
BOSS★★★★★
CODER / AGENT
2.22¢ per chat · 45 chats per NZ$1
“Give me the repo.”
Every model is somebody.
— CRAPGPT.LOL —
Gemini 3.8 Flash
GGOOGLEGANG
GEMINI 3.8 FLASH
GOOGLE GANG
CRAPGPT.LOLINDEPENDENT
AI MODEL
REVIEWS
CRAP SCORE684 SOURCES
MULTIMODALINTELLIGENCEFOR A MOREOPENTOMORROW
SEEUNDERSTANDREASONCREATE
POWER82ARENA · EPOCH · AA · CRAPGPT
Reasoning
91
Writing
88
Instruction
85
Agentic
85
Code
78
Value
42
OPERATOR★★★★
GENERALIST / REASONER
0.43¢ per chat · 232 chats per NZ$1
“Polished. Dangerous. Usually right.”
Every model is somebody.
— CRAPGPT.LOL —
Claude Opus 5.5Gemini 3.8 Flash
Cost per chat (NZD)2.22¢0.43¢
Chats per NZ$145232
Overall rank#1#4
VendorAnthropicGoogle
SpecialityCodeGeneral
Reasoning9491
Code9478
Math9169
Writing9788
Instruction9085
Agentic9885

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, Claude Opus 5.5 or Gemini 3.8 Flash?

Gemini 3.8 Flash costs 0.43¢ per typical chat versus 2.22¢ for Claude Opus 5.5 on CrapGPT (NZD, measured token use).

Which is better, Claude Opus 5.5 or Gemini 3.8 Flash?

Claude Opus 5.5 ranks higher overall on CrapGPT's blended benchmark score. By category: Claude Opus 5.5 leads at reasoning, coding, maths, writing, following instructions, agentic tasks.

Can I try Claude Opus 5.5 and Gemini 3.8 Flash 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 Claude Opus 5.5 details · Gemini 3.8 Flash details