Gemini 3.1 Flash Lite
VS
Gemini 3.5 Flash
Gemini 3.1 Flash Lite vs Gemini 3.5 Flash: 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 3.5 Flash wins 16 of 22 task areas we tested; Gemini 3.1 Flash Lite takes 6. Gemini 3.1 Flash Lite costs 6.0× less per token ($1.75 vs $10.5 per 1M).
Gemini 3.1 Flash Lite costs 6.0× less per token ($1.75 vs $10.5 per 1M).
Task by task
| Task area | Gemini 3.1 Flash Lite | Gemini 3.5 Flash | Winner |
|---|---|---|---|
| Executive Assistant |
#101
/ 112
Usable
|
#19
/ 112
Strong
|
Gemini 3.5 Flash |
| Presentations & Decks |
#80
/ 110
Strong
|
#17
/ 110
Excellent
|
Gemini 3.5 Flash |
| Creative & Comedy | #85 / 110 | #27 / 110 | Gemini 3.5 Flash |
| Chef / Home Cooking |
#70
/ 126
Usable
|
#24
/ 126
Usable
|
Gemini 3.5 Flash |
| RAG, Safety & Grounding |
#58
/ 113
Excellent
|
#15
/ 113
Excellent
|
Gemini 3.5 Flash |
| Customer Support |
#54
/ 113
Strong
|
#12
/ 113
Strong
|
Gemini 3.5 Flash |
| Sales |
#67
/ 110
Usable
|
#33
/ 110
Strong
|
Gemini 3.5 Flash |
| AI Strategy |
#54
/ 126
Strong
|
#23
/ 126
Strong
|
Gemini 3.5 Flash |
| Coding |
#58
/ 115
Strong
|
#28
/ 115
Strong
|
Gemini 3.5 Flash |
| Training & Education |
#33
/ 110
Excellent
|
#7
/ 110
Excellent
|
Gemini 3.5 Flash |
| Legal & HR |
#86
/ 110
Strong
|
#73
/ 110
Strong
|
Gemini 3.5 Flash |
| Investor & Pitch |
#44
/ 66
Usable
|
#56
/ 66
Usable
|
Gemini 3.1 Flash Lite |
| Knowledge & Docs |
#33
/ 110
Strong
|
#44
/ 110
Strong
|
Gemini 3.1 Flash Lite |
| Data & Analytics |
#44
/ 110
Excellent
|
#34
/ 110
Excellent
|
Gemini 3.5 Flash |
| Research & Competitive Analysis |
#56
/ 110
Usable
|
#65
/ 110
Usable
|
Gemini 3.1 Flash Lite |
| Translation & Localization |
#39
/ 110
Excellent
|
#30
/ 110
Excellent
|
Gemini 3.5 Flash |
| Frontend & Landing Pages |
#10
/ 109
Usable
|
#4
/ 109
Usable
|
Gemini 3.5 Flash |
| Product & Project Management |
#29
/ 110
Excellent
|
#33
/ 110
Strong
|
Gemini 3.1 Flash Lite |
| Summarization & Meeting Notes |
#13
/ 110
Excellent
|
#17
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Content & Brand |
#43
/ 124
Strong
|
#46
/ 124
Strong
|
Gemini 3.1 Flash Lite |
| Landing Pages |
#43
/ 72
Strong
|
#40
/ 72
Strong
|
Gemini 3.5 Flash |
| Structured Output |
#36
/ 113
Excellent
|
#35
/ 113
Excellent
|
Gemini 3.5 Flash |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Gemini 3.1 Flash Lite better than Gemini 3.5 Flash?
Across 22 task areas we benchmarked, Gemini 3.5 Flash ranks higher in 16 and Gemini 3.1 Flash Lite in 6.
Which is cheaper, Gemini 3.1 Flash Lite or Gemini 3.5 Flash?
Gemini 3.1 Flash Lite costs 6.0× less per token ($1.75 vs $10.5 per 1M).
What is Gemini 3.1 Flash Lite better at?
Gemini 3.1 Flash Lite out-ranks Gemini 3.5 Flash at Investor & Pitch, Knowledge & Docs, Research & Competitive Analysis.
What is Gemini 3.5 Flash better at?
Gemini 3.5 Flash out-ranks Gemini 3.1 Flash Lite at Executive Assistant, Presentations & Decks, Creative & Comedy.
More comparisons
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Prompt × model results
12 test cases · 3 evals