Confirm Action

Are you sure you want to proceed?

DeepSeek DeepSeek V4 Pro VS xAI Grok 4.20

DeepSeek V4 Pro vs Grok 4.20: 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.

DeepSeek V4 Pro wins 21 of 22 task areas we tested; Grok 4.20 takes 1. DeepSeek V4 Pro costs 2.9× less per token ($1.305 vs $3.75 per 1M).

21
Task areas won
1
67
Avg percentile
30
0
Top-3 finishes
0
$1.3
Price / 1M tokens
$3.75
DeepSeek
Provider
xAI

DeepSeek V4 Pro costs 2.9× less per token ($1.305 vs $3.75 per 1M).

Task by task

Task area DeepSeek V4 Pro Grok 4.20 Winner
Content & Brand #29 / 124
Strong
#118 / 124
Needs editing
DeepSeek V4 Pro
RAG, Safety & Grounding #27 / 113
Excellent
#96 / 113
Strong
DeepSeek V4 Pro
Chef / Home Cooking #32 / 126
Usable
#100 / 126
Needs editing
DeepSeek V4 Pro
Translation & Localization #32 / 110
Excellent
#98 / 110
Strong
DeepSeek V4 Pro
Landing Pages #16 / 72
Strong
#66 / 72
Usable
DeepSeek V4 Pro
Legal & HR #40 / 110
Excellent
#87 / 110
Strong
DeepSeek V4 Pro
Training & Education #41 / 110
Excellent
#88 / 110
Strong
DeepSeek V4 Pro
Creative & Comedy #50 / 110 #96 / 110 DeepSeek V4 Pro
Executive Assistant #38 / 112
Strong
#83 / 112
Usable
DeepSeek V4 Pro
Knowledge & Docs #25 / 110
Strong
#70 / 110
Usable
DeepSeek V4 Pro
Product & Project Management #12 / 110
Excellent
#56 / 110
Strong
DeepSeek V4 Pro
Coding #43 / 115
Strong
#86 / 115
Usable
DeepSeek V4 Pro
Data & Analytics #60 / 110
Excellent
#102 / 110
Excellent
DeepSeek V4 Pro
Sales #44 / 110
Usable
#85 / 110
Usable
DeepSeek V4 Pro
Summarization & Meeting Notes #55 / 110
Excellent
#85 / 110
Excellent
DeepSeek V4 Pro
Investor & Pitch #33 / 66
Strong
#59 / 66
Usable
DeepSeek V4 Pro
Structured Output #23 / 113
Excellent
#48 / 113
Excellent
DeepSeek V4 Pro
Customer Support #52 / 113
Strong
#68 / 113
Usable
DeepSeek V4 Pro
Presentations & Decks #31 / 110
Excellent
#46 / 110
Excellent
DeepSeek V4 Pro
AI Strategy #68 / 126
Strong
#59 / 126
Strong
Grok 4.20
Frontend & Landing Pages #6 / 109
Usable
#15 / 109
Needs editing
DeepSeek V4 Pro
Research & Competitive Analysis #44 / 110
Strong
#52 / 110
Usable
DeepSeek V4 Pro

Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.

Frequently asked

Is DeepSeek V4 Pro better than Grok 4.20?

Across 22 task areas we benchmarked, DeepSeek V4 Pro ranks higher in 21 and Grok 4.20 in 1.

Which is cheaper, DeepSeek V4 Pro or Grok 4.20?

DeepSeek V4 Pro costs 2.9× less per token ($1.305 vs $3.75 per 1M).

What is DeepSeek V4 Pro better at?

DeepSeek V4 Pro out-ranks Grok 4.20 at Content & Brand, RAG, Safety & Grounding, Chef / Home Cooking.

What is Grok 4.20 better at?

Grok 4.20 out-ranks DeepSeek V4 Pro at AI Strategy.

Full DeepSeek V4 Pro review → Full Grok 4.20 review → Full model leaderboard →

More comparisons

This page is Spring Prompt, running in public

We just did this for every model. Do it for your prompt.

The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.

  • Generate test cases from your prompt — no eval set required to start.
  • Compare models side by side with quality, cost and latency in one matrix.
  • Optimise the winner until the scores say it's ready to ship.
Experiment · Cold outreach email

Prompt × model results

12 test cases · 3 evals
Claude Opus
GPT-5
Gemini
v1
7.1
6.8
7.4
v2
8.3
7.9
8.0
v3
9.2
8.6
8.4
Best combo: v3 × Claude Opus
9.2 quality · $0.004/run · 1.8s