Model comparison
Gemini 2.5 Flash-Lite vs Hy3
Hy3 is the stronger model overall, scoring 44.2 to 37.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 0 categories and Hy3 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where Hy3 leads 44.1 to 33.3.
- Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $0.10 / $0.40 for Gemini 2.5 Flash-Lite.
- Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 262K.
- Hy3 has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Flash-Lite | Hy3 | |
|---|---|---|
| Provider | Tencent | |
| Noometry Index | 37.0 | 44.2 |
| Released | 2025-06-17 | 2026-07-06 |
| Weights | Proprietary | Open |
| Context window | 1.05M | 262K |
| Max output | 66K | 128K |
| Input $ / M tokens | $0.10 | $0.0825 |
| Output $ / M tokens | $0.40 | $0.33 |
| Results tracked | 33 | 19 |
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Category by category
Coding Hy3 leads
Gemini 2.5 Flash-Lite: 38.5 (#173), Hy3: 46.8 (#63)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Coding | 1373 | 1464 |
| LMArena WebDev | — | 1508 |
| WeirdML | 35.2% | — |
| ALE-Bench | 325.9 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash-Lite: 28.0 (#96), Hy3: —
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |
Reasoning Hy3 leads
Gemini 2.5 Flash-Lite: 22.2 (#205), Hy3: 26.1 (#136)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Hard Prompts | 1377 | 1447 |
| Kagi LLM Benchmark | 40.5% | — |
| NYT Connections (extended) | — | 41.2% |
| DTBench | 62.8% | — |
| LMCA | 18.1% | — |
| Epoch Capabilities Index | 133.94 | — |
Math Hy3 leads
Gemini 2.5 Flash-Lite: 38.0 (#144), Hy3: 40.1 (#93)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Math | 1373 | 1475 |
| Omni-MATH | 48% | — |
Knowledge Hy3 leads
Gemini 2.5 Flash-Lite: 32.5 (#210), Hy3: 40.8 (#114)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Expert | 1373 | 1460 |
| MMLU-Pro | 53.7% | — |
| Vectara Hallucination Rate | 3.3% | — |
| GPQA (HELM) | 30.9% | — |
Multimodal Not comparable
Gemini 2.5 Flash-Lite: 29.1 (#114), Hy3: —
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Vision | 1198 | — |
| VPCT | 30% | — |
Multilingual Hy3 leads
Gemini 2.5 Flash-Lite: 49.3 (#134), Hy3: 53.5 (#65)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Non-English | 1369 | 1426 |
| LMArena Chinese | 1404 | 1493 |
| LMArena French | 1388 | 1461 |
| LMArena German | 1389 | 1439 |
| LMArena Japanese | 1359 | 1392 |
| LMArena Korean | 1360 | 1395 |
| LMArena Russian | 1373 | 1432 |
| LMArena Spanish | 1396 | 1456 |
Instruction Following Hy3 leads
Gemini 2.5 Flash-Lite: 70.0 (#168), Hy3: 75.1 (#70)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Instruction Following | 1367 | 1426 |
| IFEval | 81% | — |
Long Context Hy3 leads
Gemini 2.5 Flash-Lite: 33.3 (#262), Hy3: 44.1 (#75)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Longer Query | 1373 | 1442 |
| Fiction.LiveBench | 47.2% | — |
Writing & Preference Hy3 leads
Gemini 2.5 Flash-Lite: 56.8 (#135), Hy3: 62.2 (#81)
| Benchmark | Gemini 2.5 Flash-Lite | Hy3 |
|---|---|---|
| LMArena Text | 1379 | 1439 |
| LMArena Creative Writing | 1367 | 1402 |
| LMArena Multi-Turn | 1366 | 1436 |
| WildBench | 81.8% | — |
Frequently asked questions
Is Gemini 2.5 Flash-Lite better than Hy3?
Hy3 is the stronger model overall, scoring 44.2 to 37.0 on the Noometry Index.
Which is cheaper, Gemini 2.5 Flash-Lite or Hy3?
Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Gemini 2.5 Flash-Lite lists at $0.10 and $0.40.
Is Gemini 2.5 Flash-Lite or Hy3 better for coding?
Hy3 scores higher on coding benchmarks: 46.8 versus 38.5 in the Noometry coding category.
Which has the bigger context window?
Gemini 2.5 Flash-Lite does, with 1.05M tokens against 262K.
How many benchmarks do Gemini 2.5 Flash-Lite and Hy3 share?
17 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Hy3 has 19.