Claude Sonnet 4.6
VS
Gemini 3.1 Flash Lite
Claude Sonnet 4.6 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.
Claude Sonnet 4.6 wins 15 of 22 task areas we tested; Gemini 3.1 Flash Lite takes 7. Gemini 3.1 Flash Lite costs 10.3× less per token ($1.75 vs $18 per 1M).
Gemini 3.1 Flash Lite costs 10.3× less per token ($1.75 vs $18 per 1M).
Task by task
| Task area | Claude Sonnet 4.6 | Gemini 3.1 Flash Lite | Winner |
|---|---|---|---|
| Executive Assistant |
#1
/ 112
Strong
|
#101
/ 112
Usable
|
Claude Sonnet 4.6 |
| Legal & HR |
#3
/ 110
Excellent
|
#86
/ 110
Strong
|
Claude Sonnet 4.6 |
| Structured Output |
#105
/ 113
Usable
|
#36
/ 113
Excellent
|
Gemini 3.1 Flash Lite |
| Creative & Comedy | #19 / 110 | #85 / 110 | Claude Sonnet 4.6 |
| Sales |
#13
/ 110
Strong
|
#67
/ 110
Usable
|
Claude Sonnet 4.6 |
| AI Strategy |
#3
/ 126
Strong
|
#54
/ 126
Strong
|
Claude Sonnet 4.6 |
| Chef / Home Cooking |
#20
/ 126
Usable
|
#70
/ 126
Usable
|
Claude Sonnet 4.6 |
| Presentations & Decks |
#35
/ 110
Excellent
|
#80
/ 110
Strong
|
Claude Sonnet 4.6 |
| Investor & Pitch |
#4
/ 66
Strong
|
#44
/ 66
Usable
|
Claude Sonnet 4.6 |
| Data & Analytics |
#6
/ 110
Excellent
|
#44
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Landing Pages |
#5
/ 72
Strong
|
#43
/ 72
Strong
|
Claude Sonnet 4.6 |
| Coding |
#29
/ 115
Strong
|
#58
/ 115
Strong
|
Claude Sonnet 4.6 |
| Translation & Localization |
#13
/ 110
Excellent
|
#39
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Summarization & Meeting Notes |
#37
/ 110
Excellent
|
#13
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Training & Education |
#9
/ 110
Excellent
|
#33
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Research & Competitive Analysis |
#35
/ 110
Strong
|
#56
/ 110
Usable
|
Claude Sonnet 4.6 |
| Product & Project Management |
#48
/ 110
Strong
|
#29
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| RAG, Safety & Grounding |
#73
/ 113
Excellent
|
#58
/ 113
Excellent
|
Gemini 3.1 Flash Lite |
| Frontend & Landing Pages |
#23
/ 109
Needs editing
|
#10
/ 109
Usable
|
Gemini 3.1 Flash Lite |
| Content & Brand |
#31
/ 124
Strong
|
#43
/ 124
Strong
|
Claude Sonnet 4.6 |
| Customer Support |
#62
/ 113
Strong
|
#54
/ 113
Strong
|
Gemini 3.1 Flash Lite |
| Knowledge & Docs |
#35
/ 110
Strong
|
#33
/ 110
Strong
|
Gemini 3.1 Flash Lite |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Sonnet 4.6 better than Gemini 3.1 Flash Lite?
Across 22 task areas we benchmarked, Claude Sonnet 4.6 ranks higher in 15 and Gemini 3.1 Flash Lite in 7.
Which is cheaper, Claude Sonnet 4.6 or Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite costs 10.3× less per token ($1.75 vs $18 per 1M).
What is Claude Sonnet 4.6 better at?
Claude Sonnet 4.6 out-ranks Gemini 3.1 Flash Lite at Executive Assistant, Legal & HR, Creative & Comedy.
What is Gemini 3.1 Flash Lite better at?
Gemini 3.1 Flash Lite out-ranks Claude Sonnet 4.6 at Structured Output, Summarization & Meeting Notes, Product & Project Management.
More comparisons
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