Claude Fable 5
VS
Gemini 3.1 Pro Preview
Claude Fable 5 vs Gemini 3.1 Pro Preview: 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 Fable 5 wins 13 of 22 task areas we tested; Gemini 3.1 Pro Preview takes 9. Gemini 3.1 Pro Preview costs 4.3× less per token ($14 vs $60 per 1M).
Gemini 3.1 Pro Preview costs 4.3× less per token ($14 vs $60 per 1M).
Task by task
| Task area | Claude Fable 5 | Gemini 3.1 Pro Preview | Winner |
|---|---|---|---|
| Coding |
#11
/ 115
Excellent
|
#64
/ 115
Strong
|
Claude Fable 5 |
| Structured Output |
#68
/ 113
Strong
|
#15
/ 113
Excellent
|
Gemini 3.1 Pro Preview |
| Product & Project Management |
#76
/ 110
Strong
|
#25
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Research & Competitive Analysis |
#3
/ 110
Excellent
|
#42
/ 110
Strong
|
Claude Fable 5 |
| Data & Analytics |
#3
/ 110
Excellent
|
#39
/ 110
Excellent
|
Claude Fable 5 |
| AI Strategy |
#1
/ 126
Strong
|
#33
/ 126
Strong
|
Claude Fable 5 |
| Sales |
#5
/ 110
Strong
|
#32
/ 110
Strong
|
Claude Fable 5 |
| Frontend & Landing Pages |
#58
/ 109
Needs editing
|
#34
/ 109
Needs editing
|
Gemini 3.1 Pro Preview |
| RAG, Safety & Grounding |
#30
/ 113
Excellent
|
#8
/ 113
Excellent
|
Gemini 3.1 Pro Preview |
| Summarization & Meeting Notes |
#24
/ 110
Excellent
|
#4
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Legal & HR |
#1
/ 110
Excellent
|
#17
/ 110
Excellent
|
Claude Fable 5 |
| Landing Pages |
#1
/ 72
Strong
|
#14
/ 72
Strong
|
Claude Fable 5 |
| Training & Education |
#16
/ 110
Excellent
|
#4
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Content & Brand |
#1
/ 124
Excellent
|
#11
/ 124
Strong
|
Claude Fable 5 |
| Investor & Pitch |
#3
/ 66
Strong
|
#13
/ 66
Strong
|
Claude Fable 5 |
| Executive Assistant |
#22
/ 112
Strong
|
#14
/ 112
Strong
|
Gemini 3.1 Pro Preview |
| Knowledge & Docs |
#27
/ 110
Strong
|
#19
/ 110
Strong
|
Gemini 3.1 Pro Preview |
| Presentations & Decks |
#20
/ 110
Excellent
|
#24
/ 110
Excellent
|
Claude Fable 5 |
| Translation & Localization |
#18
/ 110
Excellent
|
#14
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Chef / Home Cooking |
#3
/ 126
Strong
|
#6
/ 126
Strong
|
Claude Fable 5 |
| Creative & Comedy | #1 / 110 | #4 / 110 | Claude Fable 5 |
| Customer Support |
#1
/ 113
Excellent
|
#2
/ 113
Strong
|
Claude Fable 5 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Fable 5 better than Gemini 3.1 Pro Preview?
Across 22 task areas we benchmarked, Claude Fable 5 ranks higher in 13 and Gemini 3.1 Pro Preview in 9.
Which is cheaper, Claude Fable 5 or Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview costs 4.3× less per token ($14 vs $60 per 1M).
What is Claude Fable 5 better at?
Claude Fable 5 out-ranks Gemini 3.1 Pro Preview at Coding, Research & Competitive Analysis, Data & Analytics.
What is Gemini 3.1 Pro Preview better at?
Gemini 3.1 Pro Preview out-ranks Claude Fable 5 at Structured Output, Product & Project Management, Frontend & Landing Pages.
More comparisons
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Prompt × model results
12 test cases · 3 evals