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Hy4 preview vs Nova 2 Sonic

Hy4 preview leads the LLM Stats Score 51.1 to 9.2.

Tencent · Amazon · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.1 to 9.2, ranking #14 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Hy4 preview

  • overall performance matters — it scores 51.1 and ranks #14 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

Choose Nova 2 Sonic

  • you want predictable pricing at $0.33/M input and $2.75/M output

At a glance

The differences that matter most.

Hy4 preview
Tencent
Nova 2 Sonic
Amazon
Core performance indexes
LLM Stats Score
51.1
#14
9.2
#260
Reasoning
50.7
#11
11.6
#241
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.33 / M
Output price
— / M
$2.75 / M
Context window
—
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Hy4 preview
Nova 2 Sonic
Tool use
31.1#10
12.6#98
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 4 for Nova 2 Sonic

No common benchmarks found

Hy4 preview and Nova 2 Sonicdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Nova 2 Sonic specifies input context (1,000,000 tokens). Only Nova 2 Sonic specifies output context (65,536 tokens).

Tencent
Hy4 preview
Input- tokens
Output- tokens
Amazon
Nova 2 Sonic
Input1,000,000 tokens
Output65,536 tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Nova 2 Sonic supports multimodal inputs, whereas Hy4 preview does not.

Nova 2 Sonic can handle both text and other forms of data like images, making it suitable for multimodal applications.

Hy4 preview

Text
Images
Audio
Video

Nova 2 Sonic

Text
Images
Audio
Video

License

Usage and distribution terms

Hy4 preview is licensed under Apache 2.0, while Nova 2 Sonic uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Hy4 preview

Apache 2.0

Open weights

Nova 2 Sonic

Proprietary

Closed source

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while Nova 2 Sonic was released on 2025-12-02.

Hy4 preview is 9 months newer than Nova 2 Sonic.

Hy4 preview

Aug 28, 2026

1 weeks ago

8mo newer
Nova 2 Sonic

Dec 2, 2025

9 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Hy4 preview and Nova 2 Sonic side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
Nova 2 Sonic
Open in Playground

FAQ

Common questions about Hy4 preview vs Nova 2 Sonic.

Which is better, Hy4 preview or Nova 2 Sonic?

Hy4 preview leads the LLM Stats Score 51.1 to 9.2. Hy4 preview is made by Tencent and Nova 2 Sonic is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hy4 preview compare to Nova 2 Sonic in benchmarks?

Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%. Nova 2 Sonic scores Big Bench Audio: 87.0%, BFCL: 74.5%, ComplexFuncBench: 65.2%, IFBench: 37.5%.

What are the context window sizes for Hy4 preview and Nova 2 Sonic?

Hy4 preview supports an unknown number of tokens and Nova 2 Sonic supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Hy4 preview and Nova 2 Sonic?

Key differences include LLM Stats Score (51.1 vs 9.2), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and Nova 2 Sonic?

Hy4 preview is developed by Tencent and Nova 2 Sonic is developed by Amazon.

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