Gemini 3 Flash Preview
VS
Gemini 3.1 Flash Lite
Gemini 3 Flash Preview vs Gemini 3.1 Flash Lite: 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.
Gemini 3 Flash Preview wins 15 of 22 task areas we tested; Gemini 3.1 Flash Lite takes 7. Gemini 3.1 Flash Lite costs 2.0× less per token ($1.75 vs $3.5 per 1M).
Gemini 3.1 Flash Lite costs 2.0× less per token ($1.75 vs $3.5 per 1M).
Task by task
| Task area | Gemini 3 Flash Preview | Gemini 3.1 Flash Lite | Winner |
|---|---|---|---|
| Summarization & Meeting Notes |
#61
/ 110
Excellent
|
#13
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| RAG, Safety & Grounding |
#13
/ 113
Excellent
|
#58
/ 113
Excellent
|
Gemini 3 Flash Preview |
| Product & Project Management |
#69
/ 110
Strong
|
#29
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Legal & HR |
#47
/ 110
Excellent
|
#86
/ 110
Strong
|
Gemini 3 Flash Preview |
| Coding |
#22
/ 115
Strong
|
#58
/ 115
Strong
|
Gemini 3 Flash Preview |
| Creative & Comedy | #51 / 110 | #85 / 110 | Gemini 3 Flash Preview |
| Sales |
#35
/ 110
Usable
|
#67
/ 110
Usable
|
Gemini 3 Flash Preview |
| Chef / Home Cooking |
#39
/ 126
Usable
|
#70
/ 126
Usable
|
Gemini 3 Flash Preview |
| Presentations & Decks |
#52
/ 110
Excellent
|
#80
/ 110
Strong
|
Gemini 3 Flash Preview |
| Translation & Localization |
#67
/ 110
Excellent
|
#39
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Training & Education |
#11
/ 110
Excellent
|
#33
/ 110
Excellent
|
Gemini 3 Flash Preview |
| Customer Support |
#34
/ 113
Strong
|
#54
/ 113
Strong
|
Gemini 3 Flash Preview |
| AI Strategy |
#38
/ 126
Strong
|
#54
/ 126
Strong
|
Gemini 3 Flash Preview |
| Knowledge & Docs |
#49
/ 110
Usable
|
#33
/ 110
Strong
|
Gemini 3.1 Flash Lite |
| Research & Competitive Analysis |
#71
/ 110
Usable
|
#56
/ 110
Usable
|
Gemini 3.1 Flash Lite |
| Executive Assistant |
#92
/ 112
Usable
|
#101
/ 112
Usable
|
Gemini 3 Flash Preview |
| Frontend & Landing Pages |
#1
/ 109
Usable
|
#10
/ 109
Usable
|
Gemini 3 Flash Preview |
| Landing Pages |
#35
/ 72
Strong
|
#43
/ 72
Strong
|
Gemini 3 Flash Preview |
| Content & Brand |
#39
/ 124
Strong
|
#43
/ 124
Strong
|
Gemini 3 Flash Preview |
| Data & Analytics |
#47
/ 110
Excellent
|
#44
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Investor & Pitch |
#47
/ 66
Usable
|
#44
/ 66
Usable
|
Gemini 3.1 Flash Lite |
| Structured Output |
#34
/ 113
Excellent
|
#36
/ 113
Excellent
|
Gemini 3 Flash Preview |
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 Gemini 3.1 Flash Lite?
Across 22 task areas we benchmarked, Gemini 3 Flash Preview ranks higher in 15 and Gemini 3.1 Flash Lite in 7.
Which is cheaper, Gemini 3 Flash Preview or Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite costs 2.0× less per token ($1.75 vs $3.5 per 1M).
What is Gemini 3 Flash Preview better at?
Gemini 3 Flash Preview out-ranks Gemini 3.1 Flash Lite at RAG, Safety & Grounding, Legal & HR, Coding.
What is Gemini 3.1 Flash Lite better at?
Gemini 3.1 Flash Lite out-ranks Gemini 3 Flash Preview at Summarization & Meeting Notes, Product & Project Management, Translation & Localization.
More comparisons
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Prompt × model results
12 test cases · 3 evals