Gemini 3.1 Flash Lite Preview vs Gemma 3 27B
Updated October 21, 2026. 41 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick Gemini 3.1 Flash Lite Preview for coding: it scores 8.1 on the Vibe Coding Index against 4.9 for Gemma 3 27B.
Pick Gemma 3 27B when output tokens cost 4.3x less.
- Shared results
- 41
- Gemini 3.1 Flash Lite Preview only
- 36
- Gemma 3 27B only
- 21
- Like-for-like categories
- 7 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
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview scores 8.1 against 4.9.
One benchmark behind each score
Intelligence
AA Intelligence Index
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview leads, 15.6 against 4.9.
Same board, both measured
Agentic work
AA Agentic Index
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview leads, 1.6 against 0.1.
Same board, both measured
Reasoning
GPQA Diamond
No call
Only Gemini 3.1 Flash Lite Preview has a GPQA Diamond result, 81.1%.
Directional only
Math
AIME
No call
Only Gemini 3.1 Flash Lite Preview has a AIME result, 83.3%.
Directional only
Knowledge
MMLU Pro
No call
Only Gemini 3.1 Flash Lite Preview has a MMLU Pro result, 86.2%.
Directional only
Web design
Design Arena: websites
No call
Only Gemini 3.1 Flash Lite Preview has a Design Arena: websites result, 1083.
Directional only
Long documents
Listed context window
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview takes 1.05M tokens against 131K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Gemma 3 27B
Gemini 3.1 Flash Lite Preview $0.0010, Gemma 3 27B $0.0003 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Gemini 3.1 Flash Lite Preview has the number, $0.18.
Directional only
At a glance
- Coding index
- Gemini 3.1 Flash Lite Preview 8.1 from 1 benchmark, Gemma 3 27B 4.9 from 1 benchmark.
- Widest category
- Math, 17.1 points apart on average over 2 shared benchmarks.
- Widest single gap
- AA Coding Index: Gemini 3.1 Flash Lite Preview 34.7 against Gemma 3 27B 10.1, 24.6 points apart on a 0 to 100 scale.
- Output price
- Gemini 3.1 Flash Lite Preview $1.50 against Gemma 3 27B $0.35 per million output tokens, 4.3x apart.
- Context window
- Gemini 3.1 Flash Lite Preview takes 1.05M 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 | Gemini 3.1 Flash Lite Preview | Bars | Gemma 3 27B | Ties |
|---|---|---|---|---|
| Coding | 3 | 0 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 1 | 0 | ||
| Reasoning | 5 | 0 | ||
| Math | 2 | 0 | ||
| Knowledge | 4 | 0 | ||
| General | 25 | 0 | ||
| All shared boards | 41 | 0 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index30
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| Aider polyglot | Not measured | 4.9% | Only Gemma 3 27B measured |
| LMArena WebDev | 1257 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| AA Coding Index | 34.7 | 10.1 | Gemini 3.1 Flash Lite Preview |
| LiveCodeBench (Vals AI) | 80.1% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| SWE-bench Verified (Vals AI) | 62.8% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Vibe Code Bench (Vals AI) | 0.0% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Code migration (Vals AI) | 4.6% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| ProgramBench (Vals AI) | 0.0% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Terminal-Bench 2.1 (Vals AI) | 34.1% | Not measured | Only Gemini 3.1 Flash Lite Preview 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 |
| ALE-Bench | 797.7 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: coding | 1400 | 1322 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: software and IT | 1413 | 1354 | Gemini 3.1 Flash Lite Preview |
| LMArena WebDev: React | 1245 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena WebDev: HTML | 1276 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena WebDev: from an image | 1336 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Neither model has a result on the other 20 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| AA Intelligence Index | 15.6 | 4.9 | Gemini 3.1 Flash Lite Preview |
| Epoch Capabilities Index | Not measured | 130.0 | Only Gemma 3 27B measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| AA Agentic Index | 1.6 | 0.1 | Gemini 3.1 Flash Lite Preview |
| Finance Agent (Vals AI) | 30.0% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Tax Agent Bench (Vals AI) | 3.1% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Legal Research Bench (Vals AI) | 3.4% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Excel Modeling Benchmark (Vals AI) | 8.6% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| τ²-Bench Telecom | Not measured | 10.5% | Only Gemma 3 27B measured |
| Neither model has a result on the other 33 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| GPQA Diamond | 81.1% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| MMMU Pro (Vals AI) | 82.5% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| 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) | Not measured | 47.7% | Only Gemma 3 27B measured |
| LMArena Text: hard prompts | 1407 | 1340 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: expert | 1398 | 1304 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: hard prompts in English | 1403 | 1353 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: diagrams | 1242 | 1156 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: homework | 1271 | 1160 | Gemini 3.1 Flash Lite Preview |
| Neither model has a result on the other 11 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| AIME | 83.3% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| 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 | Not measured | 22.5% | Only Gemma 3 27B measured |
| MATH level 5 | Not measured | 74.0% | Only Gemma 3 27B measured |
| LMArena Text: math | 1428 | 1312 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: mathematical work | 1417 | 1327 | Gemini 3.1 Flash Lite Preview |
| Neither model has a result on the other 6 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| MMLU Pro | 86.2% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LegalBench (Vals AI) | 83.8% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| CaseLaw (Vals AI) | 55.0% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| CorpFin (Vals AI) | 59.4% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| TaxEval (Vals AI) | 71.8% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| MortgageTax (Vals AI) | 68.0% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| MedCode (Vals AI) | 47.6% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| 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 | 1425 | 1383 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: medicine and healthcare | 1428 | 1391 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: legal and government | 1418 | 1375 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: business and finance | 1389 | 1360 | Gemini 3.1 Flash Lite Preview |
| Neither model has a result on the other 4 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| Design Arena: websites | 1083 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: UI components | 1071 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: game dev | 1029 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: data viz | 1045 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: 3D | 1048 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: all code categories | 1072 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: SVG | 1052 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: ASCII art | 1166 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index250
| Benchmark | Gemini 3.1 Flash Lite Preview | Gemma 3 27B | Leader |
|---|---|---|---|
| SAGE (Vals AI) | 49.5% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| MedScribe (Vals AI) | 63.9% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Vals Multimodal Index | 41.4% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| 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 | Not measured | 52.5% | Only Gemma 3 27B measured |
| LMCA | Not measured | 12.3% | Only Gemma 3 27B measured |
| 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 | 1416 | 1358 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: instruction following | 1377 | 1321 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: creative writing | 1401 | 1345 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision | 1240 | 1165 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: English | 1414 | 1377 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: non-English | 1410 | 1334 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Chinese | 1460 | 1346 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: German | 1430 | 1362 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Japanese | 1413 | 1287 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Korean | 1392 | 1308 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: French | 1424 | 1368 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Spanish | 1421 | 1349 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Russian | 1420 | 1349 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Polish | 1443 | 1345 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: multi-turn | 1417 | 1345 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: longer queries | 1394 | 1333 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: writing and language | 1408 | 1347 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: entertainment and media | 1386 | 1320 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: English | 1232 | 1188 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: Chinese | 1278 | 1164 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: reading text | 1246 | 1156 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: humor | 1266 | 1166 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: captioning | 1259 | 1151 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: recognizing things | 1308 | 1196 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: creative writing | 1248 | 1177 | Gemini 3.1 Flash Lite Preview |
| Neither model has a result on the other 12 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Gemini 3.1 Flash Lite Preview | 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 | Google Gemini 3.1 Flash Lite Preview | Google Gemma 3 27B |
|---|---|---|
| Maker | ||
| Weights | No public weights listed | Open weights |
| Released | March 3, 2026 | March 12, 2025 |
| Context window | 1.05M | 131K |
| Input $/Mtok | $0.25 | $0.08 |
| Output $/Mtok | $1.50 | $0.35 |
| Coding index | 8.1 | 4.9 |
| Independent measurements behind it | 1 | 1 |
| Cost per solved task | $0.18 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Gemini 3.1 Flash Lite Preview better than Gemma 3 27B for coding?
Pick Gemini 3.1 Flash Lite Preview for coding: it scores 8.1 on the Vibe Coding Index against 4.9 for Gemma 3 27B. Pick Gemma 3 27B when output tokens cost 4.3x less.
Which is cheaper, Gemini 3.1 Flash Lite Preview or Gemma 3 27B?
Gemini 3.1 Flash Lite Preview costs $0.25 per million input tokens and $1.50 per million output tokens; Gemma 3 27B costs $0.08 and $0.35. Cost per solved task is known for Gemini 3.1 Flash Lite Preview only.
Which has the bigger context window, Gemini 3.1 Flash Lite Preview or Gemma 3 27B?
Gemini 3.1 Flash Lite Preview, with 1.05M tokens against 131K.
How many benchmarks is the Gemini 3.1 Flash Lite Preview vs Gemma 3 27B comparison based on?
41 benchmarks have a result for both models as of October 21, 2026. Gemini 3.1 Flash Lite Preview'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.