Gemini 3 Flash Preview
VS
GPT-5.4
Gemini 3 Flash Preview 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 18 of 22 task areas we tested; Gemini 3 Flash Preview takes 4. Gemini 3 Flash Preview costs 5.0× less per token ($3.5 vs $17.5 per 1M).
Gemini 3 Flash Preview costs 5.0× less per token ($3.5 vs $17.5 per 1M).
Task by task
| Task area | Gemini 3 Flash Preview | GPT-5.4 | Winner |
|---|---|---|---|
| Research & Competitive Analysis |
#71
/ 110
Usable
|
#1
/ 110
Excellent
|
GPT-5.4 |
| Executive Assistant |
#92
/ 112
Usable
|
#25
/ 112
Strong
|
GPT-5.4 |
| Training & Education |
#11
/ 110
Excellent
|
#69
/ 110
Strong
|
Gemini 3 Flash Preview |
| Product & Project Management |
#69
/ 110
Strong
|
#13
/ 110
Excellent
|
GPT-5.4 |
| Presentations & Decks |
#52
/ 110
Excellent
|
#1
/ 110
Excellent
|
GPT-5.4 |
| Summarization & Meeting Notes |
#61
/ 110
Excellent
|
#11
/ 110
Excellent
|
GPT-5.4 |
| Translation & Localization |
#67
/ 110
Excellent
|
#17
/ 110
Excellent
|
GPT-5.4 |
| Knowledge & Docs |
#49
/ 110
Usable
|
#1
/ 110
Excellent
|
GPT-5.4 |
| Creative & Comedy | #51 / 110 | #6 / 110 | GPT-5.4 |
| Investor & Pitch |
#47
/ 66
Usable
|
#7
/ 66
Strong
|
GPT-5.4 |
| Content & Brand |
#39
/ 124
Strong
|
#7
/ 124
Strong
|
GPT-5.4 |
| Legal & HR |
#47
/ 110
Excellent
|
#20
/ 110
Excellent
|
GPT-5.4 |
| Structured Output |
#34
/ 113
Excellent
|
#9
/ 113
Excellent
|
GPT-5.4 |
| Customer Support |
#34
/ 113
Strong
|
#13
/ 113
Strong
|
GPT-5.4 |
| Chef / Home Cooking |
#39
/ 126
Usable
|
#19
/ 126
Strong
|
GPT-5.4 |
| RAG, Safety & Grounding |
#13
/ 113
Excellent
|
#29
/ 113
Excellent
|
Gemini 3 Flash Preview |
| Coding |
#22
/ 115
Strong
|
#9
/ 115
Excellent
|
GPT-5.4 |
| Landing Pages |
#35
/ 72
Strong
|
#22
/ 72
Strong
|
GPT-5.4 |
| Sales |
#35
/ 110
Usable
|
#41
/ 110
Usable
|
Gemini 3 Flash Preview |
| Data & Analytics |
#47
/ 110
Excellent
|
#42
/ 110
Excellent
|
GPT-5.4 |
| Frontend & Landing Pages |
#1
/ 109
Usable
|
#5
/ 109
Usable
|
Gemini 3 Flash Preview |
| AI Strategy |
#38
/ 126
Strong
|
#37
/ 126
Strong
|
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 Gemini 3 Flash Preview better than GPT-5.4?
Across 22 task areas we benchmarked, GPT-5.4 ranks higher in 18 and Gemini 3 Flash Preview in 4.
Which is cheaper, Gemini 3 Flash Preview or GPT-5.4?
Gemini 3 Flash Preview costs 5.0× less per token ($3.5 vs $17.5 per 1M).
What is Gemini 3 Flash Preview better at?
Gemini 3 Flash Preview out-ranks GPT-5.4 at Training & Education, RAG, Safety & Grounding, Sales.
What is GPT-5.4 better at?
GPT-5.4 out-ranks Gemini 3 Flash Preview at Research & Competitive Analysis, Executive Assistant, Product & Project Management.
More comparisons
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