Gemini 3.5 Flash
VS
Qwen3.5 Plus 2026-02-15
Gemini 3.5 Flash vs Qwen3.5 Plus 2026-02-15: 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 and Qwen3.5 Plus 2026-02-15 split the 22 task areas we tested 11–11. Qwen3.5 Plus 2026-02-15 costs 5.8× less per token ($1.82 vs $10.5 per 1M).
Qwen3.5 Plus 2026-02-15 costs 5.8× less per token ($1.82 vs $10.5 per 1M).
Task by task
| Task area | Gemini 3.5 Flash | Qwen3.5 Plus 2026-02-15 | Winner |
|---|---|---|---|
| Legal & HR |
#73
/ 110
Strong
|
#13
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Creative & Comedy | #27 / 110 | #71 / 110 | Gemini 3.5 Flash |
| Coding |
#28
/ 115
Strong
|
#71
/ 115
Strong
|
Gemini 3.5 Flash |
| Executive Assistant |
#19
/ 112
Strong
|
#61
/ 112
Strong
|
Gemini 3.5 Flash |
| Summarization & Meeting Notes |
#17
/ 110
Excellent
|
#46
/ 110
Excellent
|
Gemini 3.5 Flash |
| Presentations & Decks |
#17
/ 110
Excellent
|
#40
/ 110
Excellent
|
Gemini 3.5 Flash |
| Investor & Pitch |
#56
/ 66
Usable
|
#36
/ 66
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Translation & Localization |
#30
/ 110
Excellent
|
#10
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Structured Output |
#35
/ 113
Excellent
|
#18
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Chef / Home Cooking |
#24
/ 126
Usable
|
#40
/ 126
Usable
|
Gemini 3.5 Flash |
| AI Strategy |
#23
/ 126
Strong
|
#32
/ 126
Strong
|
Gemini 3.5 Flash |
| Data & Analytics |
#34
/ 110
Excellent
|
#26
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| RAG, Safety & Grounding |
#15
/ 113
Excellent
|
#7
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Research & Competitive Analysis |
#65
/ 110
Usable
|
#73
/ 110
Usable
|
Gemini 3.5 Flash |
| Knowledge & Docs |
#44
/ 110
Strong
|
#51
/ 110
Usable
|
Gemini 3.5 Flash |
| Product & Project Management |
#33
/ 110
Strong
|
#40
/ 110
Strong
|
Gemini 3.5 Flash |
| Customer Support |
#12
/ 113
Strong
|
#18
/ 113
Strong
|
Gemini 3.5 Flash |
| Sales |
#33
/ 110
Strong
|
#27
/ 110
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Landing Pages |
#40
/ 72
Strong
|
#36
/ 72
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Content & Brand |
#46
/ 124
Strong
|
#45
/ 124
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Frontend & Landing Pages |
#4
/ 109
Usable
|
#3
/ 109
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Training & Education |
#7
/ 110
Excellent
|
#6
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Gemini 3.5 Flash better than Qwen3.5 Plus 2026-02-15?
They tie across the 22 task areas we benchmarked, at 11 apiece.
Which is cheaper, Gemini 3.5 Flash or Qwen3.5 Plus 2026-02-15?
Qwen3.5 Plus 2026-02-15 costs 5.8× less per token ($1.82 vs $10.5 per 1M).
What is Gemini 3.5 Flash better at?
Gemini 3.5 Flash out-ranks Qwen3.5 Plus 2026-02-15 at Creative & Comedy, Coding, Executive Assistant.
What is Qwen3.5 Plus 2026-02-15 better at?
Qwen3.5 Plus 2026-02-15 out-ranks Gemini 3.5 Flash at Legal & HR, Investor & Pitch, Translation & Localization.
More comparisons
This page is Spring Prompt, running in public
We just did this for every model. Do it for your prompt.
The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.
- Generate test cases from your prompt — no eval set required to start.
- Compare models side by side with quality, cost and latency in one matrix.
- Optimise the winner until the scores say it's ready to ship.
Prompt × model results
12 test cases · 3 evals