Claude Haiku 4.5
VS
Gemini 3.1 Flash Lite
Claude Haiku 4.5 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 3.1 Flash Lite wins 17 of 22 task areas we tested; Claude Haiku 4.5 takes 5. Gemini 3.1 Flash Lite costs 3.4× less per token ($1.75 vs $6 per 1M).
Gemini 3.1 Flash Lite costs 3.4× less per token ($1.75 vs $6 per 1M).
Task by task
| Task area | Claude Haiku 4.5 | Gemini 3.1 Flash Lite | Winner |
|---|---|---|---|
| Structured Output |
#109
/ 113
Usable
|
#36
/ 113
Excellent
|
Gemini 3.1 Flash Lite |
| Content & Brand |
#89
/ 124
Usable
|
#43
/ 124
Strong
|
Gemini 3.1 Flash Lite |
| Customer Support |
#99
/ 113
Usable
|
#54
/ 113
Strong
|
Gemini 3.1 Flash Lite |
| Chef / Home Cooking |
#113
/ 126
Needs editing
|
#70
/ 126
Usable
|
Gemini 3.1 Flash Lite |
| RAG, Safety & Grounding |
#97
/ 113
Strong
|
#58
/ 113
Excellent
|
Gemini 3.1 Flash Lite |
| Knowledge & Docs |
#71
/ 110
Usable
|
#33
/ 110
Strong
|
Gemini 3.1 Flash Lite |
| Legal & HR |
#48
/ 110
Excellent
|
#86
/ 110
Strong
|
Claude Haiku 4.5 |
| AI Strategy |
#91
/ 126
Strong
|
#54
/ 126
Strong
|
Gemini 3.1 Flash Lite |
| Coding |
#94
/ 115
Usable
|
#58
/ 115
Strong
|
Gemini 3.1 Flash Lite |
| Executive Assistant |
#73
/ 112
Strong
|
#101
/ 112
Usable
|
Claude Haiku 4.5 |
| Investor & Pitch |
#63
/ 66
Needs editing
|
#44
/ 66
Usable
|
Gemini 3.1 Flash Lite |
| Landing Pages |
#61
/ 72
Usable
|
#43
/ 72
Strong
|
Gemini 3.1 Flash Lite |
| Summarization & Meeting Notes |
#27
/ 110
Excellent
|
#13
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Sales |
#80
/ 110
Usable
|
#67
/ 110
Usable
|
Gemini 3.1 Flash Lite |
| Translation & Localization |
#27
/ 110
Excellent
|
#39
/ 110
Excellent
|
Claude Haiku 4.5 |
| Data & Analytics |
#53
/ 110
Excellent
|
#44
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Product & Project Management |
#38
/ 110
Strong
|
#29
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Presentations & Decks |
#88
/ 110
Strong
|
#80
/ 110
Strong
|
Gemini 3.1 Flash Lite |
| Frontend & Landing Pages |
#7
/ 109
Usable
|
#10
/ 109
Usable
|
Claude Haiku 4.5 |
| Research & Competitive Analysis |
#59
/ 110
Usable
|
#56
/ 110
Usable
|
Gemini 3.1 Flash Lite |
| Training & Education |
#36
/ 110
Excellent
|
#33
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Creative & Comedy | #84 / 110 | #85 / 110 | Claude Haiku 4.5 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Haiku 4.5 better than Gemini 3.1 Flash Lite?
Across 22 task areas we benchmarked, Gemini 3.1 Flash Lite ranks higher in 17 and Claude Haiku 4.5 in 5.
Which is cheaper, Claude Haiku 4.5 or Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite costs 3.4× less per token ($1.75 vs $6 per 1M).
What is Claude Haiku 4.5 better at?
Claude Haiku 4.5 out-ranks Gemini 3.1 Flash Lite at Legal & HR, Executive Assistant, Translation & Localization.
What is Gemini 3.1 Flash Lite better at?
Gemini 3.1 Flash Lite out-ranks Claude Haiku 4.5 at Structured Output, Content & Brand, Customer Support.
More comparisons
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