Claude Opus 4.8
VS
Qwen3.5 Plus 2026-02-15
Claude Opus 4.8 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.
Claude Opus 4.8 wins 18 of 22 task areas we tested; Qwen3.5 Plus 2026-02-15 takes 4. Qwen3.5 Plus 2026-02-15 costs 16.5× less per token ($1.82 vs $30 per 1M).
Qwen3.5 Plus 2026-02-15 costs 16.5× less per token ($1.82 vs $30 per 1M).
Task by task
| Task area | Claude Opus 4.8 | Qwen3.5 Plus 2026-02-15 | Winner |
|---|---|---|---|
| Coding |
#3
/ 115
Excellent
|
#71
/ 115
Strong
|
Claude Opus 4.8 |
| Research & Competitive Analysis |
#5
/ 110
Excellent
|
#73
/ 110
Usable
|
Claude Opus 4.8 |
| Creative & Comedy | #17 / 110 | #71 / 110 | Claude Opus 4.8 |
| Executive Assistant |
#9
/ 112
Strong
|
#61
/ 112
Strong
|
Claude Opus 4.8 |
| Knowledge & Docs |
#2
/ 110
Excellent
|
#51
/ 110
Usable
|
Claude Opus 4.8 |
| Structured Output |
#61
/ 113
Excellent
|
#18
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Product & Project Management |
#2
/ 110
Excellent
|
#40
/ 110
Strong
|
Claude Opus 4.8 |
| Content & Brand |
#8
/ 124
Strong
|
#45
/ 124
Strong
|
Claude Opus 4.8 |
| Chef / Home Cooking |
#9
/ 126
Strong
|
#40
/ 126
Usable
|
Claude Opus 4.8 |
| AI Strategy |
#4
/ 126
Strong
|
#32
/ 126
Strong
|
Claude Opus 4.8 |
| Sales |
#1
/ 110
Strong
|
#27
/ 110
Strong
|
Claude Opus 4.8 |
| Translation & Localization |
#35
/ 110
Excellent
|
#10
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Data & Analytics |
#2
/ 110
Excellent
|
#26
/ 110
Excellent
|
Claude Opus 4.8 |
| Frontend & Landing Pages |
#21
/ 109
Needs editing
|
#3
/ 109
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Landing Pages |
#18
/ 72
Strong
|
#36
/ 72
Strong
|
Claude Opus 4.8 |
| Summarization & Meeting Notes |
#35
/ 110
Excellent
|
#46
/ 110
Excellent
|
Claude Opus 4.8 |
| Customer Support |
#8
/ 113
Strong
|
#18
/ 113
Strong
|
Claude Opus 4.8 |
| Investor & Pitch |
#27
/ 66
Strong
|
#36
/ 66
Usable
|
Claude Opus 4.8 |
| Legal & HR |
#5
/ 110
Excellent
|
#13
/ 110
Excellent
|
Claude Opus 4.8 |
| Presentations & Decks |
#32
/ 110
Excellent
|
#40
/ 110
Excellent
|
Claude Opus 4.8 |
| RAG, Safety & Grounding |
#11
/ 113
Excellent
|
#7
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Training & Education |
#2
/ 110
Excellent
|
#6
/ 110
Excellent
|
Claude Opus 4.8 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Opus 4.8 better than Qwen3.5 Plus 2026-02-15?
Across 22 task areas we benchmarked, Claude Opus 4.8 ranks higher in 18 and Qwen3.5 Plus 2026-02-15 in 4.
Which is cheaper, Claude Opus 4.8 or Qwen3.5 Plus 2026-02-15?
Qwen3.5 Plus 2026-02-15 costs 16.5× less per token ($1.82 vs $30 per 1M).
What is Claude Opus 4.8 better at?
Claude Opus 4.8 out-ranks Qwen3.5 Plus 2026-02-15 at Coding, Research & Competitive Analysis, Creative & Comedy.
What is Qwen3.5 Plus 2026-02-15 better at?
Qwen3.5 Plus 2026-02-15 out-ranks Claude Opus 4.8 at Structured Output, Translation & Localization, Frontend & Landing Pages.
More comparisons
This page is Spring Prompt, running in public
We just did this for every model. Do it for your prompt.
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Prompt × model results
12 test cases · 3 evals