Claude Opus 4.8 vs GLM 5.2 for job applications

The verdict

Effectively a dead heat: 9593

Same 12 job applications tasks, marked blind by three rival labs. GLM 5.2 took 4 tasks, Claude Opus 4.8 took 4, 4 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.'

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…
GLM 5.210/10
With over five years of fast-paced retail experience, I prioritize exceptional customer service. Last year, I was named employee of the month three times and successfully trained four new starters. I consistently go the extra mile to ensure customer satisfaction.

Task by task

TaskClaude Opus 4.8GLM 5.2
Cover letter, no template smell1010
CV bullets with numbers109
Explain the gap honestly1010
Match the ad, don't parrot it910
The career changer109
Answer the killer question1010
Salary question straight bat910
Trim to the ask510
Reference the referee108
Follow up without desperation1010
Read the red flags910
Refuse the fake degree98

Full receipts: Claude Opus 4.8, GLM 5.2 · 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 GLM 5.2?

Effectively a dead heat: GLM 5.2 edged it 95/100 to 93/100 on our job applications suite — too close to matter, so pick on price or the product you already use.

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 · Claude Opus 4.8 vs GPT-5.5 · GLM 5.2 vs GPT-5.6 Sol · GLM 5.2 vs GPT-5.3-Codex · GLM 5.2 vs GPT-5.6 Luna · Gemini 3.1 Pro Preview vs GLM 5.2

Full ranking: Best AI for job applications · model pages: Claude Opus 4.8, GLM 5.2