GPT-5.4
VS
Grok 4.20 Beta
GPT-5.4 vs Grok 4.20 Beta: 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 Beta takes 0. Grok 4.20 Beta costs 2.2× less per token ($8 vs $17.5 per 1M).
Grok 4.20 Beta costs 2.2× less per token ($8 vs $17.5 per 1M).
Task by task
| Task area | GPT-5.4 | Grok 4.20 Beta | Winner |
|---|---|---|---|
| Content & Brand |
#7
/ 124
Strong
|
#99
/ 124
Usable
|
GPT-5.4 |
| Creative & Comedy | #6 / 110 | #92 / 110 | GPT-5.4 |
| Legal & HR |
#20
/ 110
Excellent
|
#106
/ 110
Strong
|
GPT-5.4 |
| Knowledge & Docs |
#1
/ 110
Excellent
|
#86
/ 110
Usable
|
GPT-5.4 |
| Research & Competitive Analysis |
#1
/ 110
Excellent
|
#86
/ 110
Needs editing
|
GPT-5.4 |
| Summarization & Meeting Notes |
#11
/ 110
Excellent
|
#95
/ 110
Excellent
|
GPT-5.4 |
| Translation & Localization |
#17
/ 110
Excellent
|
#90
/ 110
Strong
|
GPT-5.4 |
| Coding |
#9
/ 115
Excellent
|
#77
/ 115
Strong
|
GPT-5.4 |
| RAG, Safety & Grounding |
#29
/ 113
Excellent
|
#93
/ 113
Strong
|
GPT-5.4 |
| Customer Support |
#13
/ 113
Strong
|
#72
/ 113
Usable
|
GPT-5.4 |
| Presentations & Decks |
#1
/ 110
Excellent
|
#56
/ 110
Strong
|
GPT-5.4 |
| Data & Analytics |
#42
/ 110
Excellent
|
#91
/ 110
Excellent
|
GPT-5.4 |
| Executive Assistant |
#25
/ 112
Strong
|
#69
/ 112
Strong
|
GPT-5.4 |
| Landing Pages |
#22
/ 72
Strong
|
#60
/ 72
Usable
|
GPT-5.4 |
| Investor & Pitch |
#7
/ 66
Strong
|
#43
/ 66
Usable
|
GPT-5.4 |
| Structured Output |
#9
/ 113
Excellent
|
#43
/ 113
Excellent
|
GPT-5.4 |
| Frontend & Landing Pages |
#5
/ 109
Usable
|
#32
/ 109
Needs editing
|
GPT-5.4 |
| Chef / Home Cooking |
#19
/ 126
Strong
|
#38
/ 126
Usable
|
GPT-5.4 |
| Product & Project Management |
#13
/ 110
Excellent
|
#31
/ 110
Excellent
|
GPT-5.4 |
| AI Strategy |
#37
/ 126
Strong
|
#49
/ 126
Strong
|
GPT-5.4 |
| Training & Education |
#69
/ 110
Strong
|
#76
/ 110
Strong
|
GPT-5.4 |
| Sales |
#41
/ 110
Usable
|
#46
/ 110
Usable
|
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 Beta?
Across 22 task areas we benchmarked, GPT-5.4 ranks higher in 22 and Grok 4.20 Beta in 0.
Which is cheaper, GPT-5.4 or Grok 4.20 Beta?
Grok 4.20 Beta costs 2.2× less per token ($8 vs $17.5 per 1M).
What is GPT-5.4 better at?
GPT-5.4 out-ranks Grok 4.20 Beta at Content & Brand, Creative & Comedy, Legal & HR.
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.
Prompt × model results
12 test cases · 3 evals