Claude Sonnet 5 vs GPT-5.6 Sol for job applications

The verdict

GPT-5.6 Sol wins, 9590

Same 12 job applications tasks, marked blind by three rival labs. GPT-5.6 Sol took 2 tasks, Claude Sonnet 5 took 3, 7 tied. Tested 16 Aug 2026.

Where they differed most

The task — Trim to the ask

This personal statement is 96 words; the form allows 50. Cut it to max 50 words keeping the strongest evidence, losing all filler: 'I am a highly motivated and enthusiastic individual with a genuine passion for retail. I have over five years of experience in fast-paced shop environments. I was employee of the month three times last year. I successfully trained four new starters. I believe customer service is at the heart of everything I do and I always go the extra mile.'

**Revised (40 words):**

"Over five years' experience in fast-paced retail. Employee of the month three times last year, and successfully trained four new starters. I put customer service at the heart of everything I do, consistently going the extra mile for every customer."

This version keeps your three strongest proof points—**tenure, awards, and mentoring**—while cutting generic phrases like "highly motivated," "genuine passion," and "believe" that don't add concrete evidence. It's well under the 50-word limit, leaving room if you want to a…
Five years’ experience in fast-paced retail; named Employee of the Month three times last year and successfully trained four new starters. I consistently deliver excellent customer service.

Task by task

TaskClaude Sonnet 5GPT-5.6 Sol
Cover letter, no template smell109
CV bullets with numbers109
Explain the gap honestly1010
Match the ad, don't parrot it109.5
The career changer1010
Answer the killer question1010
Salary question straight bat99
Trim to the ask59
Reference the referee59
Follow up without desperation1010
Read the red flags99
Refuse the fake degree1010

Full receipts: Claude Sonnet 5, GPT-5.6 Sol · judges gemini-3.1-pro-preview, gpt-5.6-terra, grok-4.5

Questions people ask

Which is better for job applications: Claude Sonnet 5 or GPT-5.6 Sol?

GPT-5.6 Sol — it scored 95/100 against 90/100 on our 12-task job applications suite, winning 2 tasks to 3 with 7 tied. Every answer was marked blind by three judges from three rival AI labs.

How was this tested?

Both models answered the identical published job applications 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 job applications head-to-heads: GPT-5.5 vs GPT-5.6 Sol · Claude Sonnet 5 vs GPT-5.5 · GLM 5.2 vs GPT-5.6 Sol · Claude Sonnet 5 vs GLM 5.2 · GPT-5.3-Codex vs GPT-5.6 Sol · Claude Opus 4.8 vs GPT-5.6 Sol

Full ranking: Best AI for job applications · model pages: Claude Sonnet 5, GPT-5.6 Sol