Model comparison
Gemini 1.5 Flash 8B vs Hy4 preview
Hy4 preview is the stronger model overall, scoring 45.3 to 29.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
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TencentSummary
- The widest gap is in math, where Hy4 preview leads 55.7 to 14.2.
- Hy4 preview has downloadable open weights; the other is API-only.
Side by side
| Gemini 1.5 Flash 8B | Hy4 preview | |
|---|---|---|
| Provider | Tencent | |
| Noometry Index | 29.9 | 45.3 |
| Released | 2024-10-03 | 2026-08-28 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.83 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 21 | 3 |
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Category by category
Coding Hy4 preview leads
Gemini 1.5 Flash 8B: 35.5 (#225), Hy4 preview: 51.6 (#38)
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| LMArena WebDev | — | 1632 |
| LMArena Coding | 1218 | — |
Reasoning Hy4 preview leads
Gemini 1.5 Flash 8B: 20.0 (#244), Hy4 preview: 31.9 (#79)
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| NYT Connections (extended) | — | 68.2% |
| LMArena Hard Prompts | 1209 | — |
| DTBench | 50% | — |
Math Hy4 preview leads
Gemini 1.5 Flash 8B: 14.2 (#302), Hy4 preview: 55.7 (#42)
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.6% | — |
| ProofBench | — | 75% |
| LMArena Math | 1207 | — |
Knowledge Not comparable
Gemini 1.5 Flash 8B: 16.0 (#289), Hy4 preview: —
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | 1185 | — |
Multimodal Not comparable
Gemini 1.5 Flash 8B: 28.2 (#115), Hy4 preview: —
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| LMArena Vision | 1044 | — |
Multilingual Not comparable
Gemini 1.5 Flash 8B: 38.5 (#229), Hy4 preview: —
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| LMArena Non-English | 1215 | — |
| LMArena Chinese | 1231 | — |
| LMArena French | 1234 | — |
| LMArena German | 1206 | — |
| LMArena Japanese | 1150 | — |
| LMArena Korean | 1140 | — |
| LMArena Russian | 1236 | — |
| LMArena Spanish | 1212 | — |
Instruction Following Not comparable
Gemini 1.5 Flash 8B: 62.8 (#236), Hy4 preview: —
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| LMArena Instruction Following | 1199 | — |
Long Context Not comparable
Gemini 1.5 Flash 8B: 37.0 (#225), Hy4 preview: —
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| LMArena Longer Query | 1219 | — |
Writing & Preference Not comparable
Gemini 1.5 Flash 8B: 42.8 (#232), Hy4 preview: —
| Benchmark | Gemini 1.5 Flash 8B | Hy4 preview |
|---|---|---|
| LMArena Text | 1226 | — |
| LMArena Creative Writing | 1218 | — |
| LMArena Multi-Turn | 1185 | — |
Frequently asked questions
Is Gemini 1.5 Flash 8B better than Hy4 preview?
Hy4 preview is the stronger model overall, scoring 45.3 to 29.9 on the Noometry Index.
Is Gemini 1.5 Flash 8B or Hy4 preview better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 35.5 in the Noometry coding category.
How many benchmarks do Gemini 1.5 Flash 8B and Hy4 preview share?
0 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Hy4 preview has 3.