Claude Sonnet 5 vs Qwen3.7 Max for humanising AI text

The verdict

Claude Sonnet 5 wins, 9693

Same 12 humanising AI text tasks, marked blind by three rival labs. Claude Sonnet 5 took 4 tasks, Qwen3.7 Max took 2, 6 tied. Tested 16 Aug 2026.

Where they differed most

The task — Product page, human voice

Rewrite this product description naturally, keeping every spec — 750ml, stainless steel, cold 24 hours, hot 12, £24, free engraving: 'Introducing the ultimate hydration solution for the modern lifestyle. This premium 750ml vessel is expertly crafted from high-grade stainless steel, delivering unparalleled temperature retention — beverages remain refreshingly cold for an impressive 24 hours or delightfully hot for 12. Elevate your everyday experience for just £24, with complimentary personalised engraving included.' Sound like a good market stall, not a press release.

Here's your 750ml stainless steel bottle – proper quality kit, this. Keeps drinks cold for a full 24 hours, or if you fancy something hot, that'll stay warm for 12. Yours for just £24, and we'll even engrave it for you free of charge. Great stuff!
Have a feel of this one! It’s a proper 750ml stainless steel bottle, and the insulation is brilliant. It’ll keep your water ice-cold for 24 hours, or your coffee steaming hot for 12 hours. Honestly, it’s the last bottle you’ll ever need. They’re just £24, and if you grab one today, I’ll throw in free engraving. Makes a lovely gift, or just a great treat for yourself!

Task by task

TaskClaude Sonnet 5Qwen3.7 Max
The touching-base email1010
De-guru the bio1010
Product page, human voice108
Strip the tics910
The head's newsletter910
The condolence card1010
Reply to the review, humanly1010
About us, actually about us1010
Best man, not best template98
Human but still formal98
Change log required98
Refuse the disguise job1010

Full receipts: Claude Sonnet 5, Qwen3.7 Max · judges gemini-3.1-pro-preview, gpt-5.6-terra, grok-4.5

Questions people ask

Which is better for humanising AI text: Claude Sonnet 5 or Qwen3.7 Max?

Claude Sonnet 5 — it scored 96/100 against 93/100 on our 12-task humanising AI text suite, winning 4 tasks to 2 with 6 tied. Every answer was marked blind by three judges from three rival AI labs.

How was this tested?

Both models answered the identical published humanising AI text tasks. Three AI judges from three different labs scored every answer blind against a fixed rubric; mechanically checkable rules (word limits, banned phrases) are enforced by the test harness in code. The raw outputs and judge verdicts are downloadable.

More humanising AI text head-to-heads: Claude Sonnet 5 vs GPT-5.3-Codex · GPT-5.3-Codex vs Qwen3.7 Max · Claude Fable 5 vs Claude Sonnet 5 · Claude Sonnet 5 vs GPT-5.6 Sol · Claude Sonnet 5 vs GPT-5.5 · Claude Sonnet 5 vs GLM 5.2

Full ranking: Best AI for humanising AI text · model pages: Claude Sonnet 5, Qwen3.7 Max