Short answer: GLM 5.3 Flash is 56x cheaper (0.040¢ vs 2.22¢ a chat). Claude Opus 5.5 ranks higher overall (#1 vs #10). Claude Opus 5.5 wins at reasoning, coding, maths, writing, following instructions, agentic tasks. Pick GLM 5.3 Flash for everyday use and Claude Opus 5.5 when quality matters most.
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 —
ZZ.AIGANG
GLM 5.3 FLASH
Z.AI GANG
CRAPGPT.LOLINDEPENDENT AI MODEL REVIEWS
CRAP SCORE714 SOURCES
PRECISECALMAHEAD
REASONATSCALE
POWER68ARENA · EPOCH · AA · CRAPGPT
Reasoning
73
Instruction
78
Agentic
77
Code
70
Writing
56
Value
78
SPECIALIST★★★★
REASONER / EXECUTOR
0.040¢ per chat · 2,505 chats per NZ$1
“Deep thought. Low drama.”
Every model is somebody.
— CRAPGPT.LOL —
Claude Opus 5.5
GLM 5.3 Flash
Cost per chat (NZD)
2.22¢
0.040¢
Chats per NZ$1
45
2,505
Overall rank
#1
#10
Vendor
Anthropic
Z.ai
Speciality
Code
Reasoning
Crowd Elo
no votes
1012
Reasoning
94
73
Code
94
70
Math
91
52
Writing
97
56
Instruction
90
78
Agentic
98
77
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 GLM 5.3 Flash?
GLM 5.3 Flash costs 0.040¢ 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 GLM 5.3 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 GLM 5.3 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.
