Grok 4.20 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.
Qwen3.5 Plus 2026-02-15 wins 21 of 22 task areas we tested; Grok 4.20 takes 1. Qwen3.5 Plus 2026-02-15 costs 2.1× less per token ($1.82 vs $3.75 per 1M).
Qwen3.5 Plus 2026-02-15 costs 2.1× less per token ($1.82 vs $3.75 per 1M).
Task by task
| Task area | Grok 4.20 | Qwen3.5 Plus 2026-02-15 | Winner |
|---|---|---|---|
| RAG, Safety & Grounding |
#96
/ 113
Strong
|
#7
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Translation & Localization |
#98
/ 110
Strong
|
#10
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Training & Education |
#88
/ 110
Strong
|
#6
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Data & Analytics |
#102
/ 110
Excellent
|
#26
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Legal & HR |
#87
/ 110
Strong
|
#13
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Content & Brand |
#118
/ 124
Needs editing
|
#45
/ 124
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Chef / Home Cooking |
#100
/ 126
Needs editing
|
#40
/ 126
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Sales |
#85
/ 110
Usable
|
#27
/ 110
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Customer Support |
#68
/ 113
Usable
|
#18
/ 113
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Summarization & Meeting Notes |
#85
/ 110
Excellent
|
#46
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Landing Pages |
#66
/ 72
Usable
|
#36
/ 72
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Structured Output |
#48
/ 113
Excellent
|
#18
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| AI Strategy |
#59
/ 126
Strong
|
#32
/ 126
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Creative & Comedy | #96 / 110 | #71 / 110 | Qwen3.5 Plus 2026-02-15 |
| Investor & Pitch |
#59
/ 66
Usable
|
#36
/ 66
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Executive Assistant |
#83
/ 112
Usable
|
#61
/ 112
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Research & Competitive Analysis |
#52
/ 110
Usable
|
#73
/ 110
Usable
|
Grok 4.20 |
| Knowledge & Docs |
#70
/ 110
Usable
|
#51
/ 110
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Product & Project Management |
#56
/ 110
Strong
|
#40
/ 110
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Coding |
#86
/ 115
Usable
|
#71
/ 115
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Frontend & Landing Pages |
#15
/ 109
Needs editing
|
#3
/ 109
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Presentations & Decks |
#46
/ 110
Excellent
|
#40
/ 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 Grok 4.20 better than Qwen3.5 Plus 2026-02-15?
Across 22 task areas we benchmarked, Qwen3.5 Plus 2026-02-15 ranks higher in 21 and Grok 4.20 in 1.
Which is cheaper, Grok 4.20 or Qwen3.5 Plus 2026-02-15?
Qwen3.5 Plus 2026-02-15 costs 2.1× less per token ($1.82 vs $3.75 per 1M).
What is Grok 4.20 better at?
Grok 4.20 out-ranks Qwen3.5 Plus 2026-02-15 at Research & Competitive Analysis.
What is Qwen3.5 Plus 2026-02-15 better at?
Qwen3.5 Plus 2026-02-15 out-ranks Grok 4.20 at RAG, Safety & Grounding, Translation & Localization, Training & Education.
More comparisons
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Prompt × model results
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