GPT-5.4
VS
Grok 4.20
GPT-5.4 vs Grok 4.20: 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 22 of 22 task areas we tested; Grok 4.20 takes 0. Grok 4.20 costs 4.7× less per token ($3.75 vs $17.5 per 1M).
Grok 4.20 costs 4.7× less per token ($3.75 vs $17.5 per 1M).
Task by task
| Task area | GPT-5.4 | Grok 4.20 | Winner |
|---|---|---|---|
| Content & Brand |
#7
/ 124
Strong
|
#118
/ 124
Needs editing
|
GPT-5.4 |
| Creative & Comedy | #6 / 110 | #96 / 110 | GPT-5.4 |
| Chef / Home Cooking |
#19
/ 126
Strong
|
#100
/ 126
Needs editing
|
GPT-5.4 |
| Translation & Localization |
#17
/ 110
Excellent
|
#98
/ 110
Strong
|
GPT-5.4 |
| Coding |
#9
/ 115
Excellent
|
#86
/ 115
Usable
|
GPT-5.4 |
| Summarization & Meeting Notes |
#11
/ 110
Excellent
|
#85
/ 110
Excellent
|
GPT-5.4 |
| Knowledge & Docs |
#1
/ 110
Excellent
|
#70
/ 110
Usable
|
GPT-5.4 |
| Legal & HR |
#20
/ 110
Excellent
|
#87
/ 110
Strong
|
GPT-5.4 |
| RAG, Safety & Grounding |
#29
/ 113
Excellent
|
#96
/ 113
Strong
|
GPT-5.4 |
| Data & Analytics |
#42
/ 110
Excellent
|
#102
/ 110
Excellent
|
GPT-5.4 |
| Executive Assistant |
#25
/ 112
Strong
|
#83
/ 112
Usable
|
GPT-5.4 |
| Customer Support |
#13
/ 113
Strong
|
#68
/ 113
Usable
|
GPT-5.4 |
| Investor & Pitch |
#7
/ 66
Strong
|
#59
/ 66
Usable
|
GPT-5.4 |
| Research & Competitive Analysis |
#1
/ 110
Excellent
|
#52
/ 110
Usable
|
GPT-5.4 |
| Presentations & Decks |
#1
/ 110
Excellent
|
#46
/ 110
Excellent
|
GPT-5.4 |
| Landing Pages |
#22
/ 72
Strong
|
#66
/ 72
Usable
|
GPT-5.4 |
| Sales |
#41
/ 110
Usable
|
#85
/ 110
Usable
|
GPT-5.4 |
| Product & Project Management |
#13
/ 110
Excellent
|
#56
/ 110
Strong
|
GPT-5.4 |
| Structured Output |
#9
/ 113
Excellent
|
#48
/ 113
Excellent
|
GPT-5.4 |
| AI Strategy |
#37
/ 126
Strong
|
#59
/ 126
Strong
|
GPT-5.4 |
| Training & Education |
#69
/ 110
Strong
|
#88
/ 110
Strong
|
GPT-5.4 |
| Frontend & Landing Pages |
#5
/ 109
Usable
|
#15
/ 109
Needs editing
|
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 GPT-5.4 better than Grok 4.20?
Across 22 task areas we benchmarked, GPT-5.4 ranks higher in 22 and Grok 4.20 in 0.
Which is cheaper, GPT-5.4 or Grok 4.20?
Grok 4.20 costs 4.7× less per token ($3.75 vs $17.5 per 1M).
What is GPT-5.4 better at?
GPT-5.4 out-ranks Grok 4.20 at Content & Brand, Creative & Comedy, Chef / Home Cooking.
More comparisons
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Prompt × model results
12 test cases · 3 evals