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DeepSeek DeepSeek V3.2 VS Google Gemini 3 Flash Preview

DeepSeek V3.2 vs Gemini 3 Flash Preview: 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.

Gemini 3 Flash Preview wins 17 of 22 task areas we tested; DeepSeek V3.2 takes 5. DeepSeek V3.2 costs 6.1× less per token ($0.572 vs $3.5 per 1M).

5
Task areas won
17
38
Avg percentile
60
0
Top-3 finishes
1
$0.57
Price / 1M tokens
$3.5
DeepSeek
Provider
Google

DeepSeek V3.2 costs 6.1× less per token ($0.572 vs $3.5 per 1M).

Task by task

Task area DeepSeek V3.2 Gemini 3 Flash Preview Winner
Coding #100 / 115
Usable
#22 / 115
Strong
Gemini 3 Flash Preview
RAG, Safety & Grounding #83 / 113
Excellent
#13 / 113
Excellent
Gemini 3 Flash Preview
AI Strategy #102 / 126
Usable
#38 / 126
Strong
Gemini 3 Flash Preview
Content & Brand #95 / 124
Usable
#39 / 124
Strong
Gemini 3 Flash Preview
Sales #91 / 110
Usable
#35 / 110
Usable
Gemini 3 Flash Preview
Product & Project Management #21 / 110
Excellent
#69 / 110
Strong
DeepSeek V3.2
Legal & HR #90 / 110
Strong
#47 / 110
Excellent
Gemini 3 Flash Preview
Customer Support #74 / 113
Usable
#34 / 113
Strong
Gemini 3 Flash Preview
Chef / Home Cooking #78 / 126
Usable
#39 / 126
Usable
Gemini 3 Flash Preview
Creative & Comedy #87 / 110 #51 / 110 Gemini 3 Flash Preview
Structured Output #67 / 113
Strong
#34 / 113
Excellent
Gemini 3 Flash Preview
Summarization & Meeting Notes #30 / 110
Excellent
#61 / 110
Excellent
DeepSeek V3.2
Presentations & Decks #81 / 110
Strong
#52 / 110
Excellent
Gemini 3 Flash Preview
Training & Education #38 / 110
Excellent
#11 / 110
Excellent
Gemini 3 Flash Preview
Frontend & Landing Pages #25 / 109
Needs editing
#1 / 109
Usable
Gemini 3 Flash Preview
Data & Analytics #69 / 110
Excellent
#47 / 110
Excellent
Gemini 3 Flash Preview
Translation & Localization #89 / 110
Strong
#67 / 110
Excellent
Gemini 3 Flash Preview
Research & Competitive Analysis #53 / 110
Usable
#71 / 110
Usable
DeepSeek V3.2
Executive Assistant #76 / 112
Usable
#92 / 112
Usable
DeepSeek V3.2
Landing Pages #48 / 72
Usable
#35 / 72
Strong
Gemini 3 Flash Preview
Knowledge & Docs #58 / 110
Usable
#49 / 110
Usable
Gemini 3 Flash Preview
Investor & Pitch #46 / 66
Usable
#47 / 66
Usable
DeepSeek V3.2

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

Frequently asked

Is DeepSeek V3.2 better than Gemini 3 Flash Preview?

Across 22 task areas we benchmarked, Gemini 3 Flash Preview ranks higher in 17 and DeepSeek V3.2 in 5.

Which is cheaper, DeepSeek V3.2 or Gemini 3 Flash Preview?

DeepSeek V3.2 costs 6.1× less per token ($0.572 vs $3.5 per 1M).

What is DeepSeek V3.2 better at?

DeepSeek V3.2 out-ranks Gemini 3 Flash Preview at Product & Project Management, Summarization & Meeting Notes, Research & Competitive Analysis.

What is Gemini 3 Flash Preview better at?

Gemini 3 Flash Preview out-ranks DeepSeek V3.2 at Coding, RAG, Safety & Grounding, AI Strategy.

Full DeepSeek V3.2 review → Full Gemini 3 Flash Preview 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