Claude Sonnet 5 vs Hy3
Claude Sonnet 5 leads the LLM Stats Score 48.5 to 42.9.
Anthropic · Tencent · Updated for 2026
Which is better?
Claude Sonnet 5 leads the overall LLM Stats Score 48.5 to 42.9, ranking #21 overall.
In the 7 individual benchmarks reported for both models, Claude Sonnet 5 wins 7; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Sonnet 5
- overall performance matters — it scores 48.5 and ranks #21 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 7 of 7 exact shared results
Choose Hy3
- you want the most recent training data — it shipped Jul 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
23 reported for Claude Sonnet 5 · 31 for Hy3
Claude Sonnet 5 outperforms in 7 benchmarks (ArXivMath, BrowseComp, SWE-bench Multilingual, SWE-Bench Pro, SWE-Bench Verified, Toolathlon, USAMO 2026), while Hy3 is better at 0 benchmarks.
Claude Sonnet 5 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Claude Sonnet 5 specifies input context (1,000,000 tokens). Only Claude Sonnet 5 specifies output context (64,000 tokens).
Input capabilities
Documented input modalities across available providers
Claude Sonnet 5 supports multimodal inputs, whereas Hy3 does not.
Claude Sonnet 5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Sonnet 5
Hy3
License
Usage and distribution terms
Claude Sonnet 5 is licensed under a proprietary license, while Hy3 uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Claude Sonnet 5 was released on 2026-06-30, while Hy3 was released on 2026-07-06.
Hy3 is 0 month newer than Claude Sonnet 5.
Jun 30, 2026
2 months ago
Jul 6, 2026
2 months ago
6d newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Sonnet 5 and Hy3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Sonnet 5 vs Hy3.