# Gemini 4 Hydrogen vs Hy4

> Side-by-side benchmark comparison for Gemini 4 Hydrogen and Hy4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-4-hydrogen-vs-hy4
- Last updated: November 12, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 4 Hydrogen and Hy4 share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Hy4 has the lower published output-token price.

## Model Snapshot

| Property | Gemini 4 Hydrogen | Hy4 |
|----------|----------|----------|
| Creator | Google | Tencent |
| Type | Proprietary | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 5 | 15 |
| Pricing (input/output) | $1.50 / $7.50 | $0.834 / $2.501 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 4 Hydrogen public-lane score: Coming soon
- Hy4 public-lane score: Coming soon

| Benchmark | Gemini 4 Hydrogen | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| OSWorld 2.1 Offline | 77.6% | Coming soon | Coming soon |
| MKA | 53.4% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 51.4% | 19.8% | Gemini 4 Hydrogen |
| Terminal-Bench 4.0 | Coming soon | 44.40% | Coming soon |
| HLE w/ tools | Coming soon | 59.1% | Coming soon |
| Agents' Last Exam | Coming soon | 41.0% | Coming soon |
| APEX-Agents | Coming soon | 75.2% | Coming soon |
| AutomationBench | Coming soon | 56.2% | Coming soon |
| OSWorld 2.1 | Coming soon | 78.9% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 4 Hydrogen public-lane score: Coming soon
- Hy4 public-lane score: Coming soon

| Benchmark | Gemini 4 Hydrogen | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 2.0 | 38.2% | 31.0% | Gemini 4 Hydrogen |
| DeepSWE | Coming soon | 74.9% | Coming soon |
| sweMarathon | Coming soon | 43.8% | Coming soon |
| ProgramBench | Coming soon | 30.0% | Coming soon |
| PostTrainBench | Coming soon | 35.2% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 4 Hydrogen public-lane score: Coming soon
- Hy4 public-lane score: Coming soon

| Benchmark | Gemini 4 Hydrogen | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 66.6% | Coming soon | Coming soon |
| MMMU-Pro | Coming soon | 78.6% | Coming soon |
| ZeroBench w/ Python | Coming soon | 55.4% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 4 Hydrogen public-lane score: Coming soon
- Hy4 public-lane score: Coming soon

| Benchmark | Gemini 4 Hydrogen | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| HLE | Coming soon | 59.1% | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 4 Hydrogen and Hy4?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Gemini 4 Hydrogen vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-gemini-4-hydrogen)
- [Hy4 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-hy4)
- [Gemini 4 Hydrogen vs Gemini 4 Argon](/compare/gemini-4-argon-vs-gemini-4-hydrogen)
- [Hy4 vs Gemini 4 Argon](/compare/gemini-4-argon-vs-hy4)

## Explore More

- [Gemini 4 Hydrogen profile](/models/gemini-4-hydrogen)
- [Hy4 profile](/models/hy4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)