DeepSeek V3 vs Gemma 3 27B
Updated October 21, 2026. 5 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick DeepSeek V3 for coding: it scores 70.2 on the Vibe Coding Index against 4.9 for Gemma 3 27B.
Pick Gemma 3 27B when output tokens cost 2.9x less.
- Shared results
- 5
- DeepSeek V3 only
- 8
- Gemma 3 27B only
- 57
- Like-for-like categories
- 4 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, four public coding benchmarks
DeepSeek V3
DeepSeek V3 scores 70.2 against 4.9.
One benchmark behind each score
Intelligence
AA Intelligence Index
No call
Only Gemma 3 27B has a AA Intelligence Index result, 4.9.
Directional only
Agentic work
AA Agentic Index
No call
Only Gemma 3 27B has a AA Agentic Index result, 0.1.
Directional only
Web design
Design Arena: websites
No call
Only DeepSeek V3 has a Design Arena: websites result, 1120.
Directional only
Long documents
Listed context window
DeepSeek V3
DeepSeek V3 takes 164K tokens against 131K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Gemma 3 27B
DeepSeek V3 $0.0008, Gemma 3 27B $0.0003 per turn.
List prices
At a glance
- Coding index
- DeepSeek V3 70.2 from 1 benchmark, Gemma 3 27B 4.9 from 1 benchmark.
- Widest category
- Coding, 65.3 points apart on average over 1 shared benchmark.
- Widest single gap
- Aider polyglot: DeepSeek V3 70.2% against Gemma 3 27B 4.9%, 65.3 points apart on a 0 to 100 scale.
- Output price
- DeepSeek V3 $1.0287 against Gemma 3 27B $0.35 per million output tokens, 2.9x apart.
- Context window
- DeepSeek V3 takes 164K tokens, Gemma 3 27B 131K.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | DeepSeek V3 | Bars | Gemma 3 27B | Ties |
|---|---|---|---|---|
| Coding | 1 | 0 | ||
| Reasoning | 1 | 0 | ||
| Math | 1 | 0 | ||
| General | 2 | 0 | ||
| All shared boards | 5 | 0 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index10
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| Aider polyglot | 70.2% | 4.9% | DeepSeek V3 |
| SWE-bench Lite | 30.7% | Not measured | Only DeepSeek V3 measured |
| AA Coding Index | Not measured | 10.1 | Only Gemma 3 27B measured |
| LiveCodeBench (Artificial Analysis run) | Not measured | 13.7% | Only Gemma 3 27B measured |
| SciCode | Not measured | 23.3% | Only Gemma 3 27B measured |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 3.8% | Only Gemma 3 27B measured |
| LMArena Text: coding | Not measured | 1322 | Only Gemma 3 27B measured |
| LMArena Text: software and IT | Not measured | 1354 | Only Gemma 3 27B measured |
| Neither model has a result on the other 30 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| AA Intelligence Index | Not measured | 4.9 | Only Gemma 3 27B measured |
| Epoch Capabilities Index | Not measured | 130.0 | Only Gemma 3 27B measured |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| AA Agentic Index | Not measured | 0.1 | Only Gemma 3 27B measured |
| τ²-Bench Telecom | Not measured | 10.5% | Only Gemma 3 27B measured |
| Neither model has a result on the other 37 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | Not measured | 42.8% | Only Gemma 3 27B measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 4.4% | Only Gemma 3 27B measured |
| GPQA Diamond (Epoch AI run) | 71.2% | 47.7% | DeepSeek V3 |
| LMArena Text: hard prompts | Not measured | 1340 | Only Gemma 3 27B measured |
| LMArena Text: expert | Not measured | 1304 | Only Gemma 3 27B measured |
| LMArena Text: hard prompts in English | Not measured | 1353 | Only Gemma 3 27B measured |
| LMArena Vision: diagrams | Not measured | 1156 | Only Gemma 3 27B measured |
| LMArena Vision: homework | Not measured | 1160 | Only Gemma 3 27B measured |
| Neither model has a result on the other 13 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| AA Math Index | Not measured | 20.7 | Only Gemma 3 27B measured |
| AIME 2025 (Artificial Analysis run) | Not measured | 20.7% | Only Gemma 3 27B measured |
| OTIS Mock AIME | 48.9% | 22.5% | DeepSeek V3 |
| MATH level 5 | Not measured | 74.0% | Only Gemma 3 27B measured |
| LMArena Text: math | Not measured | 1312 | Only Gemma 3 27B measured |
| LMArena Text: mathematical work | Not measured | 1327 | Only Gemma 3 27B measured |
| Neither model has a result on the other 7 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| MMLU Pro (Artificial Analysis run) | Not measured | 66.9% | Only Gemma 3 27B measured |
| GeoBench | Not measured | 52.0% | Only Gemma 3 27B measured |
| LMArena Text: science | Not measured | 1383 | Only Gemma 3 27B measured |
| LMArena Text: medicine and healthcare | Not measured | 1391 | Only Gemma 3 27B measured |
| LMArena Text: legal and government | Not measured | 1375 | Only Gemma 3 27B measured |
| LMArena Text: business and finance | Not measured | 1360 | Only Gemma 3 27B measured |
| Neither model has a result on the other 11 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| Design Arena: websites | 1120 | Not measured | Only DeepSeek V3 measured |
| Design Arena: UI components | 1093 | Not measured | Only DeepSeek V3 measured |
| Design Arena: game dev | 1054 | Not measured | Only DeepSeek V3 measured |
| Design Arena: data viz | 1089 | Not measured | Only DeepSeek V3 measured |
| Design Arena: 3D | 1087 | Not measured | Only DeepSeek V3 measured |
| Design Arena: all code categories | 1108 | Not measured | Only DeepSeek V3 measured |
| Design Arena: SVG | 976 | Not measured | Only DeepSeek V3 measured |
| Neither model has a result on the other 2 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| IFBench | Not measured | 31.8% | Only Gemma 3 27B measured |
| Long context reasoning (AA-LCR) | Not measured | 7.3% | Only Gemma 3 27B measured |
| DTBench | 62.7% | 52.5% | DeepSeek V3 |
| LMCA | 15.2% | 12.3% | DeepSeek V3 |
| Fiction.LiveBench | Not measured | 33.3% | Only Gemma 3 27B measured |
| Creative writing (Lech Mazur) | Not measured | 79.9% | Only Gemma 3 27B measured |
| LMArena Text | Not measured | 1358 | Only Gemma 3 27B measured |
| LMArena Text: instruction following | Not measured | 1321 | Only Gemma 3 27B measured |
| LMArena Text: creative writing | Not measured | 1345 | Only Gemma 3 27B measured |
| LMArena Vision | Not measured | 1165 | Only Gemma 3 27B measured |
| LMArena Text: English | Not measured | 1377 | Only Gemma 3 27B measured |
| LMArena Text: non-English | Not measured | 1334 | Only Gemma 3 27B measured |
| LMArena Text: Chinese | Not measured | 1346 | Only Gemma 3 27B measured |
| LMArena Text: German | Not measured | 1362 | Only Gemma 3 27B measured |
| LMArena Text: Japanese | Not measured | 1287 | Only Gemma 3 27B measured |
| LMArena Text: Korean | Not measured | 1308 | Only Gemma 3 27B measured |
| LMArena Text: French | Not measured | 1368 | Only Gemma 3 27B measured |
| LMArena Text: Spanish | Not measured | 1349 | Only Gemma 3 27B measured |
| LMArena Text: Russian | Not measured | 1349 | Only Gemma 3 27B measured |
| LMArena Text: Polish | Not measured | 1345 | Only Gemma 3 27B measured |
| LMArena Text: multi-turn | Not measured | 1345 | Only Gemma 3 27B measured |
| LMArena Text: longer queries | Not measured | 1333 | Only Gemma 3 27B measured |
| LMArena Text: writing and language | Not measured | 1347 | Only Gemma 3 27B measured |
| LMArena Text: entertainment and media | Not measured | 1320 | Only Gemma 3 27B measured |
| LMArena Vision: English | Not measured | 1188 | Only Gemma 3 27B measured |
| LMArena Vision: Chinese | Not measured | 1164 | Only Gemma 3 27B measured |
| LMArena Vision: reading text | Not measured | 1156 | Only Gemma 3 27B measured |
| LMArena Vision: humor | Not measured | 1166 | Only Gemma 3 27B measured |
| LMArena Vision: captioning | Not measured | 1151 | Only Gemma 3 27B measured |
| LMArena Vision: recognizing things | Not measured | 1196 | Only Gemma 3 27B measured |
| LMArena Vision: creative writing | Not measured | 1177 | Only Gemma 3 27B measured |
| Neither model has a result on the other 15 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | DeepSeek V3 | Gemma 3 27B | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Gemma 3 27B costs less
Repository review
50K input + 3K output tokens
Gemma 3 27B costs less
Agent loop
200K input + 10K output tokens
Gemma 3 27B costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | DeepSeek V3 | Google Gemma 3 27B |
|---|---|---|
| Maker | DeepSeek | |
| Weights | Open weights | Open weights |
| Released | December 26, 2024 | March 12, 2025 |
| Context window | 164K | 131K |
| Input $/Mtok | $0.2574 | $0.08 |
| Output $/Mtok | $1.0287 | $0.35 |
| Coding index | 70.2 | 4.9 |
| Independent measurements behind it | 1 | 1 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is DeepSeek V3 better than Gemma 3 27B for coding?
Pick DeepSeek V3 for coding: it scores 70.2 on the Vibe Coding Index against 4.9 for Gemma 3 27B. Pick Gemma 3 27B when output tokens cost 2.9x less.
Which is cheaper, DeepSeek V3 or Gemma 3 27B?
DeepSeek V3 costs $0.2574 per million input tokens and $1.0287 per million output tokens; Gemma 3 27B costs $0.08 and $0.35. Cost per solved task is known for neither of them.
Which has the bigger context window, DeepSeek V3 or Gemma 3 27B?
DeepSeek V3, with 164K tokens against 131K.
How many benchmarks is the DeepSeek V3 vs Gemma 3 27B comparison based on?
5 benchmarks have a result for both models as of October 21, 2026. DeepSeek V3's coding index rests on 1 independent benchmark and Gemma 3 27B's on 1. Where only one model has a result, the page says so instead of naming a winner.