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Z.ai GLM 5 VS OpenAI GPT-5.4

GLM 5 vs GPT-5.4: which wins at real work?

22 task areas · same graded test runs · rank comparison only, so 0–100 and Elo collections never mix raw scores.

GPT-5.4 wins 21 of 22 task areas we tested; GLM 5 takes 1. GLM 5 costs 6.9× less per token ($2.52 vs $17.5 per 1M).

1
Task areas won
21
49
Avg percentile
84
0
Top-3 finishes
3
$2.52
Price / 1M tokens
$17.5
Z.ai
Provider
OpenAI

GLM 5 costs 6.9× less per token ($2.52 vs $17.5 per 1M).

Task by task

Task area GLM 5 GPT-5.4 Winner
Structured Output #94 / 113
Strong
#9 / 113
Excellent
GPT-5.4
Frontend & Landing Pages #76 / 109
Weak
#5 / 109
Usable
GPT-5.4
Creative & Comedy #72 / 110 #6 / 110 GPT-5.4
Investor & Pitch #62 / 66
Usable
#7 / 66
Strong
GPT-5.4
Content & Brand #60 / 124
Strong
#7 / 124
Strong
GPT-5.4
Presentations & Decks #49 / 110
Excellent
#1 / 110
Excellent
GPT-5.4
Landing Pages #69 / 72
Needs editing
#22 / 72
Strong
GPT-5.4
Research & Competitive Analysis #48 / 110
Strong
#1 / 110
Excellent
GPT-5.4
Product & Project Management #58 / 110
Strong
#13 / 110
Excellent
GPT-5.4
Chef / Home Cooking #57 / 126
Usable
#19 / 126
Strong
GPT-5.4
Executive Assistant #62 / 112
Strong
#25 / 112
Strong
GPT-5.4
Summarization & Meeting Notes #48 / 110
Excellent
#11 / 110
Excellent
GPT-5.4
AI Strategy #66 / 126
Strong
#37 / 126
Strong
GPT-5.4
Coding #36 / 115
Strong
#9 / 115
Excellent
GPT-5.4
Sales #68 / 110
Usable
#41 / 110
Usable
GPT-5.4
Knowledge & Docs #24 / 110
Strong
#1 / 110
Excellent
GPT-5.4
Customer Support #35 / 113
Strong
#13 / 113
Strong
GPT-5.4
RAG, Safety & Grounding #47 / 113
Excellent
#29 / 113
Excellent
GPT-5.4
Legal & HR #37 / 110
Excellent
#20 / 110
Excellent
GPT-5.4
Translation & Localization #26 / 110
Excellent
#17 / 110
Excellent
GPT-5.4
Training & Education #67 / 110
Strong
#69 / 110
Strong
GLM 5
Data & Analytics #43 / 110
Excellent
#42 / 110
Excellent
GPT-5.4

Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.

Frequently asked

Is GLM 5 better than GPT-5.4?

Across 22 task areas we benchmarked, GPT-5.4 ranks higher in 21 and GLM 5 in 1.

Which is cheaper, GLM 5 or GPT-5.4?

GLM 5 costs 6.9× less per token ($2.52 vs $17.5 per 1M).

What is GLM 5 better at?

GLM 5 out-ranks GPT-5.4 at Training & Education.

What is GPT-5.4 better at?

GPT-5.4 out-ranks GLM 5 at Structured Output, Frontend & Landing Pages, Creative & Comedy.

Full GLM 5 review → Full GPT-5.4 review → Full model leaderboard →

More comparisons

This page is Spring Prompt, running in public

We just did this for every model. Do it for your prompt.

The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.

  • Generate test cases from your prompt — no eval set required to start.
  • Compare models side by side with quality, cost and latency in one matrix.
  • Optimise the winner until the scores say it's ready to ship.
Experiment · Cold outreach email

Prompt × model results

12 test cases · 3 evals
Claude Opus
GPT-5
Gemini
v1
7.1
6.8
7.4
v2
8.3
7.9
8.0
v3
9.2
8.6
8.4
Best combo: v3 × Claude Opus
9.2 quality · $0.004/run · 1.8s