# Claude 3.5 Sonnet vs Hy3 Preview

> Side-by-side benchmark comparison for Claude 3.5 Sonnet and Hy3 Preview across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-3-5-sonnet-vs-hy3-preview
- Last updated: September 29, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude 3.5 Sonnet and Hy3 Preview 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.
- Hy3 Preview has the lower published output-token price.
- Hy3 Preview has the larger published context window at 256K.

## Model Snapshot

| Property | Claude 3.5 Sonnet | Hy3 Preview |
|----------|----------|----------|
| Creator | Anthropic | Tencent |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 256K |
| Independent public score (not head-to-head) | 30 | 45.47 |
| Benchmarks Covered | 4 | 6 |
| Pricing (input/output) | $3.00 / $15.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude 3.5 Sonnet public-lane score: Coming soon
- Hy3 Preview public-lane score: Coming soon

| Benchmark | Claude 3.5 Sonnet | Hy3 Preview | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | Coming soon | 54.4% | Coming soon |
| Gert Labs | Coming soon | 36.91% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude 3.5 Sonnet public-lane score: Coming soon
- Hy3 Preview public-lane score: 30.5 (Estimated · #92/143)

| Benchmark | Claude 3.5 Sonnet | Hy3 Preview | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 49% | 74.4% | Hy3 Preview |
| Terminal-Bench 2.0 | Coming soon | 54.4% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude 3.5 Sonnet public-lane score: Coming soon
- Hy3 Preview public-lane score: 40.7 (Estimated · #97/169)

| Benchmark | Claude 3.5 Sonnet | Hy3 Preview | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 59.4% | 87.2% | Hy3 Preview |
| GPQA-D | Coming soon | 87.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude 3.5 Sonnet public-lane score: Coming soon
- Hy3 Preview public-lane score: 46.9 (#86/124)

### Mathematics

- Winner: Insufficient shared evidence
- Claude 3.5 Sonnet public-lane score: 25.6 (Unranked · 2 rankable rows)
- Hy3 Preview public-lane score: Coming soon

| Benchmark | Claude 3.5 Sonnet | Hy3 Preview | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 2.069% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 0.000% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude 3.5 Sonnet and Hy3 Preview?

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

- [Claude 3.5 Sonnet vs Hy3](/compare/claude-3-5-sonnet-vs-hy3)
- [Hy3 Preview vs Hy3](/compare/hy3-vs-hy3-preview)
- [Claude 3.5 Sonnet vs GPT-6 Astra](/compare/claude-3-5-sonnet-vs-gpt-6-astra)
- [Hy3 Preview vs GPT-6 Astra](/compare/gpt-6-astra-vs-hy3-preview)

## Explore More

- [Claude 3.5 Sonnet profile](/models/claude-3-5-sonnet)
- [Hy3 Preview profile](/models/hy3-preview)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)