Model comparison
Gemini 3.1 Flash Lite vs Hy3
Hy3 is the stronger model overall, scoring 44.2 to 40.8 on the Noometry Index.
Last verified . 19 shared benchmarks.
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TencentSummary
- They share 19 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 2 categories and Hy3 in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where Hy3 leads 46.8 to 37.8.
- The biggest single-benchmark swing is NYT Connections (extended): 8.2% for Gemini 3.1 Flash Lite and 41.2% for Hy3.
- Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $0.25 / $1.50 for Gemini 3.1 Flash Lite.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 262K.
- Hy3 has downloadable open weights; the other is API-only.
Side by side
| Gemini 3.1 Flash Lite | Hy3 | |
|---|---|---|
| Provider | Tencent | |
| Noometry Index | 40.8 | 44.2 |
| Released | 2026-03-03 | 2026-07-06 |
| Weights | Proprietary | Open |
| Context window | 1.05M | 262K |
| Max output | 66K | 128K |
| Input $ / M tokens | $0.25 | $0.0825 |
| Output $ / M tokens | $1.50 | $0.33 |
| Results tracked | 38 | 19 |
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Category by category
Coding Hy3 leads
Gemini 3.1 Flash Lite: 37.8 (#188), Hy3: 46.8 (#63)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena WebDev | 1256 | 1508 |
| LMArena Coding | 1400 | 1464 |
| SciCode | 41.9% | — |
| WeirdML | 52.2% | — |
| ALE-Bench | 797.73 | — |
Agentic & Tool Use Not comparable
Gemini 3.1 Flash Lite: 30.2 (#79), Hy3: —
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| DeepResearch Bench | 37.3% | — |
Reasoning Hy3 leads
Gemini 3.1 Flash Lite: 22.9 (#186), Hy3: 26.1 (#136)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| NYT Connections (extended) | 8.2% | 41.2% |
| LMArena Hard Prompts | 1407 | 1447 |
| Kagi LLM Benchmark | 67.2% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | 25% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| DTBench | 76.8% | — |
| LMCA | 35% | — |
| Epoch Capabilities Index | 144.47 | — |
| ForecastBench | 54.4 | — |
Math Too close to call
Gemini 3.1 Flash Lite: 40.7 (#90), Hy3: 40.1 (#93)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena Math | 1428 | 1475 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| OTIS Mock AIME 2024-2025 | 80% | — |
Knowledge Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 41.9 (#104), Hy3: 40.8 (#114)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena Expert | 1398 | 1460 |
| GPQA Diamond | 81.8% | — |
| Humanity's Last Exam | 8.6% | — |
| Vectara Hallucination Rate | 8.2% | — |
Multimodal Not comparable
Gemini 3.1 Flash Lite: 39.4 (#60), Hy3: —
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena Vision | 1240 | — |
Multilingual Hy3 leads
Gemini 3.1 Flash Lite: 52.3 (#86), Hy3: 53.5 (#65)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena Non-English | 1411 | 1426 |
| LMArena Chinese | 1461 | 1493 |
| LMArena French | 1424 | 1461 |
| LMArena German | 1429 | 1439 |
| LMArena Japanese | 1413 | 1392 |
| LMArena Korean | 1392 | 1395 |
| LMArena Russian | 1420 | 1432 |
| LMArena Spanish | 1421 | 1456 |
Instruction Following Hy3 leads
Gemini 3.1 Flash Lite: 72.7 (#131), Hy3: 75.1 (#70)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena Instruction Following | 1377 | 1426 |
Long Context Hy3 leads
Gemini 3.1 Flash Lite: 42.5 (#122), Hy3: 44.1 (#75)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena Longer Query | 1394 | 1442 |
Writing & Preference Hy3 leads
Gemini 3.1 Flash Lite: 60.9 (#94), Hy3: 62.2 (#81)
| Benchmark | Gemini 3.1 Flash Lite | Hy3 |
|---|---|---|
| LMArena Text | 1416 | 1439 |
| LMArena Creative Writing | 1401 | 1402 |
| LMArena Multi-Turn | 1417 | 1436 |
Frequently asked questions
Is Gemini 3.1 Flash Lite better than Hy3?
Hy3 is the stronger model overall, scoring 44.2 to 40.8 on the Noometry Index.
Which is cheaper, Gemini 3.1 Flash Lite or Hy3?
Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Gemini 3.1 Flash Lite lists at $0.25 and $1.50.
Is Gemini 3.1 Flash Lite or Hy3 better for coding?
Hy3 scores higher on coding benchmarks: 46.8 versus 37.8 in the Noometry coding category.
Which has the bigger context window?
Gemini 3.1 Flash Lite does, with 1.05M tokens against 262K.
How many benchmarks do Gemini 3.1 Flash Lite and Hy3 share?
19 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Hy3 has 19.