Gemini 3.1 Flash Lite Preview vs Hy3 preview
Hy3 preview leads Gemini 3.1 Flash Lite Preview on the Artificial Analysis Intelligence Index, 25.3 to 15.6, and Hy3 preview costs 2.5x less per output token ($0.60 vs $1.50 per million). Updated October 22, 2026; 30 benchmarks have a result for both.
Gemini 3.1 Flash Lite Preview or Hy3 preview: which to pick
Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; Hy3 preview has none, so the two cannot be ranked on coding.
Pick Hy3 preview for output tokens 2.5x cheaper ($0.60 vs $1.50 per million) and work measured by LMArena WebDev or AA Coding Index, where it leads.
- Shared results
- 30
- Gemini 3.1 Flash Lite Preview only
- 49
- Hy3 preview only
- 6
- Like-for-like categories
- 7 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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, six public coding benchmarks
No call
Only Gemini 3.1 Flash Lite Preview has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
Hy3 preview
Hy3 preview leads, 25.3 against 15.6.
Same board, both measured
Agentic work
AA Agentic Index
Hy3 preview
Hy3 preview leads, 24.1 against 1.6.
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, 1082.
Directional only
Long documents
Listed context window
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Hy3 preview
Gemini 3.1 Flash Lite Preview $0.0010, Hy3 preview $0.0005 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 22.7 from 3 benchmarks, Hy3 preview not benchmarked.
- Widest category
- Agentic work, 22.5 points apart on average over 1 shared benchmark.
- Widest single gap
- AA Coding Index: Gemini 3.1 Flash Lite Preview 34.7 against Hy3 preview 58.8, 24.1 points apart on a 0 to 100 scale.
- Output price
- Gemini 3.1 Flash Lite Preview $1.50 against Hy3 preview $0.60 per million output tokens, 2.5x apart.
- Context window
- Gemini 3.1 Flash Lite Preview takes 1.05M tokens, Hy3 preview 262K.
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 | Hy3 preview | Ties |
|---|---|---|---|---|
| Coding | 0 | 6 | ||
| Intelligence | 0 | 1 | ||
| Agentic work | 0 | 1 | ||
| Reasoning | 0 | 3 | ||
| Math | 1 | 1 | ||
| Knowledge | 2 | 2 | ||
| General | 10 | 3 | ||
| All shared boards | 13 | 17 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index06
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | Leader |
|---|---|---|---|
| LMArena WebDev | 1257 | 1357 | Hy3 preview |
| AA Coding Index | 34.7 | 58.8 | Hy3 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 |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 34.1% | Only Hy3 preview measured |
| ALE-Bench | 797.7 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: coding | 1400 | 1421 | Hy3 preview |
| LMArena Text: software and IT | 1413 | 1423 | Hy3 preview |
| LMArena WebDev: React | 1245 | 1349 | Hy3 preview |
| LMArena WebDev: HTML | 1276 | 1356 | Hy3 preview |
| LMArena WebDev: from an image | 1336 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| SciCode | 4.6% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Neither model has a result on the other 23 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | Leader |
|---|---|---|---|
| AA Intelligence Index | 15.6 | 25.3 | Hy3 preview |
| Neither model has a result on the other 1 board here | |||
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | Leader |
|---|---|---|---|
| AA Agentic Index | 1.6 | 24.1 | Hy3 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 | 92.7% | Only Hy3 preview measured |
| Neither model has a result on the other 35 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index03
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | 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 | 86.7% | Only Hy3 preview measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 27.8% | Only Hy3 preview measured |
| LMArena Text: hard prompts | 1407 | 1413 | Hy3 preview |
| LMArena Text: expert | 1398 | 1422 | Hy3 preview |
| LMArena Text: hard prompts in English | 1403 | 1416 | Hy3 preview |
| LMArena Vision: diagrams | 1242 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Vision: homework | 1271 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Neither model has a result on the other 13 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index11
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | Leader |
|---|---|---|---|
| AIME | 83.3% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: math | 1428 | 1424 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: mathematical work | 1417 | 1442 | Hy3 preview |
| Neither model has a result on the other 10 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index22
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | 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 |
| LMArena Text: science | 1425 | 1416 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: medicine and healthcare | 1428 | 1405 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: legal and government | 1418 | 1430 | Hy3 preview |
| LMArena Text: business and finance | 1389 | 1397 | Hy3 preview |
| FACTS Benchmark Suite | 51.4% | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Neither model has a result on the other 6 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | Leader |
|---|---|---|---|
| Design Arena: websites | 1082 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Design Arena: UI components | 1069 | 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 | 1047 | 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 | 1167 | 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 index103
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | 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 | 63.1% | Only Hy3 preview measured |
| Long context reasoning (AA-LCR) | Not measured | 64.7% | Only Hy3 preview measured |
| LMArena Text | 1416 | 1401 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: instruction following | 1377 | 1383 | Hy3 preview |
| LMArena Text: creative writing | 1401 | 1339 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision | 1240 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: English | 1414 | 1409 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: non-English | 1410 | 1390 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Chinese | 1460 | 1435 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: German | 1430 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: Japanese | 1413 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: Korean | 1392 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: French | 1424 | 1425 | Hy3 preview |
| LMArena Text: Spanish | 1421 | 1399 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Russian | 1420 | 1399 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: Polish | 1443 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Text: multi-turn | 1417 | 1411 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: longer queries | 1394 | 1402 | Hy3 preview |
| LMArena Text: writing and language | 1408 | 1370 | Gemini 3.1 Flash Lite Preview |
| LMArena Text: entertainment and media | 1386 | 1352 | Gemini 3.1 Flash Lite Preview |
| LMArena Vision: English | 1232 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Vision: Chinese | 1278 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Vision: reading text | 1246 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Vision: humor | 1266 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Vision: captioning | 1259 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Vision: recognizing things | 1308 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| LMArena Vision: creative writing | 1248 | Not measured | Only Gemini 3.1 Flash Lite Preview measured |
| Neither model has a result on the other 16 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Gemini 3.1 Flash Lite Preview | Hy3 preview | 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
Hy3 preview costs less
Repository review
50K input + 3K output tokens
Hy3 preview costs less
Agent loop
200K input + 10K output tokens
Hy3 preview 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 | Tencent Hy3 preview |
|---|---|---|
| Maker | Tencent | |
| Weights | No public weights listed | Open weights |
| Released | March 3, 2026 | April 22, 2026 |
| Context window | 1.05M | 262K |
| Input $/Mtok | $0.25 | $0.18 |
| Output $/Mtok | $1.50 | $0.60 |
| Coding index | 22.7 | Not benchmarked |
| Independent measurements behind it | 3 | 1 |
| Cost per solved task | $0.18 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Gemini 3.1 Flash Lite Preview better than Hy3 preview for coding?
Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; Hy3 preview has none, so the two cannot be ranked on coding. Pick Hy3 preview for output tokens 2.5x cheaper ($0.60 vs $1.50 per million) and work measured by LMArena WebDev or AA Coding Index, where it leads.
Which is cheaper, Gemini 3.1 Flash Lite Preview or Hy3 preview?
Gemini 3.1 Flash Lite Preview costs $0.25 per million input tokens and $1.50 per million output tokens; Hy3 preview costs $0.18 and $0.60. 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 Hy3 preview?
Gemini 3.1 Flash Lite Preview, with 1.05M tokens against 262K.
How many benchmarks is the Gemini 3.1 Flash Lite Preview vs Hy3 preview comparison based on?
30 benchmarks have a result for both models as of October 22, 2026. Gemini 3.1 Flash Lite Preview's coding index rests on 3 independent benchmarks and Hy3 preview's on 1. Where only one model has a result, the page says so instead of naming a winner.