Claude Sonnet 4.6
VS
Grok 4.20 Beta
Claude Sonnet 4.6 vs Grok 4.20 Beta: which wins at real work?
22 task areas · same graded test runs · rank comparison only, so 0–100 and Elo collections never mix raw scores.
Claude Sonnet 4.6 wins 20 of 22 task areas we tested; Grok 4.20 Beta takes 2. Grok 4.20 Beta costs 2.2× less per token ($8 vs $18 per 1M).
Grok 4.20 Beta costs 2.2× less per token ($8 vs $18 per 1M).
Task by task
| Task area | Claude Sonnet 4.6 | Grok 4.20 Beta | Winner |
|---|---|---|---|
| Legal & HR |
#3
/ 110
Excellent
|
#106
/ 110
Strong
|
Claude Sonnet 4.6 |
| Data & Analytics |
#6
/ 110
Excellent
|
#91
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Translation & Localization |
#13
/ 110
Excellent
|
#90
/ 110
Strong
|
Claude Sonnet 4.6 |
| Creative & Comedy | #19 / 110 | #92 / 110 | Claude Sonnet 4.6 |
| Content & Brand |
#31
/ 124
Strong
|
#99
/ 124
Usable
|
Claude Sonnet 4.6 |
| Executive Assistant |
#1
/ 112
Strong
|
#69
/ 112
Strong
|
Claude Sonnet 4.6 |
| Training & Education |
#9
/ 110
Excellent
|
#76
/ 110
Strong
|
Claude Sonnet 4.6 |
| Structured Output |
#105
/ 113
Usable
|
#43
/ 113
Excellent
|
Grok 4.20 Beta |
| Summarization & Meeting Notes |
#37
/ 110
Excellent
|
#95
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Landing Pages |
#5
/ 72
Strong
|
#60
/ 72
Usable
|
Claude Sonnet 4.6 |
| Knowledge & Docs |
#35
/ 110
Strong
|
#86
/ 110
Usable
|
Claude Sonnet 4.6 |
| Research & Competitive Analysis |
#35
/ 110
Strong
|
#86
/ 110
Needs editing
|
Claude Sonnet 4.6 |
| Coding |
#29
/ 115
Strong
|
#77
/ 115
Strong
|
Claude Sonnet 4.6 |
| AI Strategy |
#3
/ 126
Strong
|
#49
/ 126
Strong
|
Claude Sonnet 4.6 |
| Investor & Pitch |
#4
/ 66
Strong
|
#43
/ 66
Usable
|
Claude Sonnet 4.6 |
| Sales |
#13
/ 110
Strong
|
#46
/ 110
Usable
|
Claude Sonnet 4.6 |
| Presentations & Decks |
#35
/ 110
Excellent
|
#56
/ 110
Strong
|
Claude Sonnet 4.6 |
| RAG, Safety & Grounding |
#73
/ 113
Excellent
|
#93
/ 113
Strong
|
Claude Sonnet 4.6 |
| Chef / Home Cooking |
#20
/ 126
Usable
|
#38
/ 126
Usable
|
Claude Sonnet 4.6 |
| Product & Project Management |
#48
/ 110
Strong
|
#31
/ 110
Excellent
|
Grok 4.20 Beta |
| Customer Support |
#62
/ 113
Strong
|
#72
/ 113
Usable
|
Claude Sonnet 4.6 |
| Frontend & Landing Pages |
#23
/ 109
Needs editing
|
#32
/ 109
Needs editing
|
Claude Sonnet 4.6 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Sonnet 4.6 better than Grok 4.20 Beta?
Across 22 task areas we benchmarked, Claude Sonnet 4.6 ranks higher in 20 and Grok 4.20 Beta in 2.
Which is cheaper, Claude Sonnet 4.6 or Grok 4.20 Beta?
Grok 4.20 Beta costs 2.2× less per token ($8 vs $18 per 1M).
What is Claude Sonnet 4.6 better at?
Claude Sonnet 4.6 out-ranks Grok 4.20 Beta at Legal & HR, Data & Analytics, Translation & Localization.
What is Grok 4.20 Beta better at?
Grok 4.20 Beta out-ranks Claude Sonnet 4.6 at Structured Output, Product & Project Management.
More comparisons
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Prompt × model results
12 test cases · 3 evals