Claude Opus 4.8 vs GPT-5.5 for job applications
GPT-5.5 wins, 98–93
Same 12 job applications tasks, marked blind by three rival labs. GPT-5.5 took 4 tasks, Claude Opus 4.8 took 1, 7 tied. Tested 16 Aug 2026.
Where they differed most
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.'
Here's a 50-word version:
"Retail professional with over five years' experience in fast-paced shop environments. Named employee of the month three times last year and trained four new starters. Passionate about customer service, I consistently go the extra mile to deliver an excellent experience."
**Word count: 40**
This keeps your strongest evidence—the concrete, quantifiable achievements (five years, three awards, four trainees)—while cutting the vague opening filler ("highly motivated and enthusiastic individual").
You have 10 words to…Retail professional with 5+ years’ experience in fast-paced shops, recognised as Employee of the Month three times last year. Trusted to train four new starters and consistently deliver strong customer service. **Word count: 31**
Task by task
| Task | Claude Opus 4.8 | GPT-5.5 |
|---|---|---|
| Cover letter, no template smell | 10 | 9 |
| CV bullets with numbers | 10 | 10 |
| Explain the gap honestly | 10 | 10 |
| Match the ad, don't parrot it | 9 | 10 |
| The career changer | 10 | 10 |
| Answer the killer question | 10 | 10 |
| Salary question straight bat | 9 | 9 |
| Trim to the ask | 5 | 9 |
| Reference the referee | 10 | 10 |
| Follow up without desperation | 10 | 10 |
| Read the red flags | 9 | 10 |
| Refuse the fake degree | 9 | 10 |
Full receipts: Claude Opus 4.8, GPT-5.5 · judges gemini-3.1-pro-preview, gpt-5.6-terra, grok-4.5
Questions people ask
Which is better for job applications: Claude Opus 4.8 or GPT-5.5?
GPT-5.5 — it scored 98/100 against 93/100 on our 12-task job applications suite, winning 4 tasks to 1 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: GLM 5.2 vs GPT-5.5 · GPT-5.5 vs GPT-5.6 Sol · GPT-5.3-Codex vs GPT-5.5 · GPT-5.5 vs GPT-5.6 Luna · Gemini 3.1 Pro Preview vs GPT-5.5 · Claude Sonnet 5 vs GPT-5.5
Full ranking: Best AI for job applications · model pages: Claude Opus 4.8, GPT-5.5