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Gemini 2.5 Flash-Lite vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.5 to 10.7.

Google · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to 10.7, ranking #11 overall.

In the 1 individual benchmarks reported for both models, Hy4 preview wins 1; 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 Gemini 2.5 Flash-Lite

  • you want predictable pricing at $0.10/M input and $0.40/M output

Choose Hy4 preview

  • overall performance matters — it scores 51.5 and ranks #11 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Core performance indexes
10.7
#249
51.5
#11
11.2
#244
51.2
#9
-2.5
#237
40.9
#10
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.10 / M
— / M
Output price
$0.40 / M
— / M
Context window
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 2.5 Flash-Lite
Hy4 preview
4.2#276
40.2#14
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 2.5 Flash-Lite · 32 for Hy4 preview

1 shared

Gemini 2.5 Flash-Lite outperforms in 0 benchmarks, while Hy4 preview is better at 1 benchmark (GPQA).

Hy4 preview significantly outperforms across most benchmarks.

Wed Sep 02 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Gemini 2.5 Flash-Lite specifies input context (1,048,576 tokens). Only Gemini 2.5 Flash-Lite specifies output context (65,536 tokens).

Google
Gemini 2.5 Flash-Lite
Input1,048,576 tokens
Output65,536 tokens
Tencent
Hy4 preview
Input- tokens
Output- tokens
Wed Sep 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 2.5 Flash-Lite supports multimodal inputs, whereas Hy4 preview does not.

Gemini 2.5 Flash-Lite can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Flash-Lite

Text
Images
Audio
Video

Hy4 preview

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.5 Flash-Lite is licensed under Creative Commons Attribution 4.0 License, while Hy4 preview uses Apache 2.0.

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

Gemini 2.5 Flash-Lite

Creative Commons Attribution 4.0 License

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 2.5 Flash-Lite was released on 2025-06-17, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 15 months newer than Gemini 2.5 Flash-Lite.

Gemini 2.5 Flash-Lite

Jun 17, 2025

1.2 years ago

Hy4 preview

Aug 28, 2026

5 days ago

1.2yr newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Flash-Lite has a documented knowledge cutoff of 2025-01-01, while Hy4 preview's cutoff date is not specified.

We can confirm Gemini 2.5 Flash-Lite's training data extends to 2025-01-01, but cannot make a direct comparison without Hy4 preview's cutoff date.

Gemini 2.5 Flash-Lite

Jan 2025

Hy4 preview

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 2.5 Flash-Lite and Hy4 preview side-by-side, then vote on the output you prefer.

Gemini 2.5 Flash-Lite
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about Gemini 2.5 Flash-Lite vs Hy4 preview.

Which is better, Gemini 2.5 Flash-Lite or Hy4 preview?

Hy4 preview leads the LLM Stats Score 51.5 to 10.7. Gemini 2.5 Flash-Lite is made by Google and Hy4 preview is made by Tencent. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 2.5 Flash-Lite compare to Hy4 preview in benchmarks?

Gemini 2.5 Flash-Lite scores FACTS Grounding: 84.1%, Global-MMLU-Lite: 81.1%, MMMU: 72.9%, GPQA: 64.6%, Vibe-Eval: 51.3%. Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%.

What are the context window sizes for Gemini 2.5 Flash-Lite and Hy4 preview?

Gemini 2.5 Flash-Lite supports 1.0M tokens and Hy4 preview supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 2.5 Flash-Lite and Hy4 preview?

Key differences include LLM Stats Score (10.7 vs 51.5), multimodal support (yes vs no), licensing (Creative Commons Attribution 4.0 License vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 2.5 Flash-Lite and Hy4 preview?

Gemini 2.5 Flash-Lite is developed by Google and Hy4 preview is developed by Tencent.