# Gemini 3.5 Flash vs Hy3

> Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 43.6 on the Noometry Index. Hy3 costs 15× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-5-flash-vs-hy3
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 8 categories and Hy3 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.7 to 25.0.
- The biggest single-benchmark swing is NYT Connections (extended): 92.6% for Gemini 3.5 Flash and 41.2% for Hy3.
- Hy3 is cheaper at $0.13 / $0.53 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
- Gemini 3.5 Flash accepts more context: 1.05M tokens versus 262K.
- Hy3 has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| Provider | Google | Tencent |
| Noometry Index | 54.1 | 43.6 |
| Rank | 29 | 79 |
| Context | 1.05M | 262K |
| Input $/M | $1.50 | $0.13 |
| Output $/M | $9 | $0.53 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.5 Flash: 49.1 (#46)
- Hy3: 46.6 (#60)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena WebDev | 1499 | 1509 |
| LMArena Coding | 1492 | 1465 |
| SWE-bench Verified | 79.3% | — |
| DeepSWE | 37.4% | — |
| SciCode | 53.1% | — |
| WeirdML | 62.6% | — |
| ALE-Bench | 911.02 | — |

## Agentic & Tool Use

- Gemini 3.5 Flash: 24.8 (#107)
- Hy3: —

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| APEX-Agents | 27.5% | — |
| GBAEval | 6.7% | — |
| GDP.pdf | 14% | — |
| Vending-Bench 2 | 5,396 | — |

## Reasoning

- Gemini 3.5 Flash: 62.7 (#16)
- Hy3: 25.0 (#134)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| NYT Connections (extended) | 92.6% | 41.2% |
| LMArena Hard Prompts | 1488 | 1449 |
| ARC-AGI-2 | 72.1% | — |
| SimpleBench | 76.7% | — |
| ARC-AGI-1 | 92.5% | — |
| CritPt | 13.1% | — |
| Chess Puzzles | 50% | — |
| EnigmaEval | 25.4% | — |
| EBR-Bench | 4.8% | — |
| Mystery Game Puzzles | 32% | — |
| DTBench | 94.7% | — |
| LMCA | 47.1% | — |
| Surface Evolver Bench | 58.1% | — |
| Epoch Capabilities Index | 154.55 | — |
| ForecastBench | 59 | — |

## Math

- Gemini 3.5 Flash: 60.5 (#30)
- Hy3: 37.4 (#98)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena Math | 1502 | 1475 |
| FrontierMath (Tiers 1-3) | 62.8% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 76.3% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| ProofBench | 31% | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- Gemini 3.5 Flash: 66.3 (#10)
- Hy3: 40.2 (#108)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena Expert | 1493 | 1461 |
| GPQA Diamond | 92.8% | — |
| SimpleQA Verified | 66.2% | — |

## Multimodal

- Gemini 3.5 Flash: 45.7 (#13)
- Hy3: —

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena Vision | 1311 | — |
| Blueprint-Bench 2 | 33.6% | — |
| LMArena Document | 1463 | — |

## Multilingual

- Gemini 3.5 Flash: 57.1 (#12)
- Hy3: 53.7 (#60)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena Non-English | 1475 | 1427 |
| LMArena Chinese | 1525 | 1496 |
| LMArena French | 1490 | 1461 |
| LMArena Korean | 1453 | 1390 |
| LMArena Russian | 1491 | 1435 |
| LMArena Spanish | 1478 | 1448 |
| LMArena German | 1500 | — |
| LMArena Japanese | 1481 | — |

## Instruction Following

- Gemini 3.5 Flash: 77.2 (#29)
- Hy3: 75.3 (#68)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena Instruction Following | 1466 | 1425 |

## Long Context

- Gemini 3.5 Flash: 45.3 (#39)
- Hy3: 44.1 (#70)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena Longer Query | 1481 | 1443 |

## Writing & Preference

- Gemini 3.5 Flash: 65.5 (#46)
- Hy3: 62.5 (#75)

| Benchmark | Gemini 3.5 Flash | Hy3 |
|---|---|---|
| LMArena Text | 1481 | 1442 |
| LMArena Creative Writing | 1467 | 1399 |
| LMArena Multi-Turn | 1482 | 1436 |
| EQ-Bench 4 | 1087 | — |

## FAQ

### Is Gemini 3.5 Flash better than Hy3?

Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 43.6 on the Noometry Index. Hy3 costs 15× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.

### Which is cheaper, Gemini 3.5 Flash or Hy3?

Hy3 is cheaper. It lists at $0.13 per million input tokens and $0.53 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.

### Is Gemini 3.5 Flash or Hy3 better for coding?

Gemini 3.5 Flash scores higher on coding benchmarks: 49.1 versus 46.6 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.5 Flash does, with 1.05M tokens against 262K.

### How many benchmarks do Gemini 3.5 Flash and Hy3 share?

17 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Hy3 has 17.