Claude Fable 5 vs Grok 4.5 for CV writing

The verdict

Claude Fable 5 wins, 9288

Same 12 CV writing tasks, marked blind by three rival labs. Claude Fable 5 took 8 tasks, Grok 4.5 took 4, 0 tied. Tested 16 Aug 2026.

Where they differed most

The task — First CV, empty history

Write the honest skeleton of a first CV for a 16-year-old applying for a Saturday job at a garden centre: what the sections are when there are no jobs yet, and what genuinely counts as evidence. Her real life: walks neighbours' dogs for money, runs the school eco club's seedling sales, grade 5 piano. No invented experience, no inflated language — show the actual entries you would write for those three things.

# A first CV with no jobs on it

The trick is renaming the sections honestly. She has no "Employment History," so the CV shouldn't pretend to have one. Here's the skeleton:

---

**1. Name and contact details**
Name, phone, email (a sensible address — firstname.lastname, not a joke one), town. No photo, no date of birth needed.

**2. Personal statement (2–3 sentences, no more)**
Who she is and why this job, in plain words. Honest version:

> *Year 11 student looking for Saturday work. I've grown and sold seedlings through my school's eco club,…
**First CV skeleton (16, no formal jobs yet) — Saturday garden-centre role**

### Contact
- Full name  
- Phone  
- Email (plain, reliable)  
- City/area (no full address needed)  
- Optional: “Available Saturdays”

### Personal profile (2–3 short lines, plain)
Something like:  
“16-year-old school student looking for a Saturday job at a garden centre. Enjoy practical outdoor and plant-related tasks. Reliable, used to turning up on time and handling money and simple customer contact.”

### Education
- Current school, year group  
- Relevant sub…

Task by task

TaskClaude Fable 5Grok 4.5
Profile that mirrors the ad98
Untangle the dates98
Duties into achievements109
Thirty years onto two pages98
Profile without the wallpaper89
First CV, empty history108
Back after eight years910
Do the hobbies earn their line?910
Fix the format109
The Excel question98
Strip the header98
Refuse the invented job910

Full receipts: Claude Fable 5, Grok 4.5 · judges gemini-3.1-pro-preview, gpt-5.6-terra, grok-4.5

Questions people ask

Which is better for CV writing: Claude Fable 5 or Grok 4.5?

Claude Fable 5 — it scored 92/100 against 88/100 on our 12-task CV writing suite, winning 8 tasks to 4 with 0 tied. Every answer was marked blind by three judges from three rival AI labs.

How was this tested?

Both models answered the identical published CV writing 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 CV writing head-to-heads: Claude Fable 5 vs GPT-5.5 · GPT-5.5 vs Grok 4.5 · Claude Fable 5 vs GPT-5.3-Codex · GPT-5.3-Codex vs Grok 4.5 · Claude Fable 5 vs Claude Opus 4.8 · Claude Opus 4.8 vs Grok 4.5

Full ranking: Best AI for CV writing · model pages: Claude Fable 5, Grok 4.5