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GLM-4.7-Flash vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.1 to 23.8.

Zhipu AI · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.1 to 23.8, ranking #14 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 GLM-4.7-Flash

  • you want predictable pricing at $0.07/M input and $0.40/M output

Choose Hy4 preview

  • overall performance matters — it scores 51.1 and ranks #14 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
23.8
#163
51.1
#14
23.8
#153
50.7
#11
4.6
#199
39.8
#12
4.9
#141
36.3
#14
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.07 / M
— / M
Output price
$0.40 / M
— / M
Context window
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GLM-4.7-Flash
Hy4 preview
21.2#142
39.4#17
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for GLM-4.7-Flash · 32 for Hy4 preview

1 shared

GLM-4.7-Flash outperforms in 0 benchmarks, while Hy4 preview is better at 1 benchmark (GPQA).

Hy4 preview significantly outperforms across most benchmarks.

Fri Sep 04 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

740.0B diff

Hy4 preview has 740.0B more parameters than GLM-4.7-Flash, making it 2466.7% larger.

Zhipu AI
GLM-4.7-Flash
30.0Bparameters
Tencent
Hy4 preview
770.0Bparameters
30.0B
GLM-4.7-Flash
770.0B
Hy4 preview

Context Window

Maximum input and output token capacity

Only GLM-4.7-Flash specifies input context (128,000 tokens). Only GLM-4.7-Flash specifies output context (16,384 tokens).

Zhipu AI
GLM-4.7-Flash
Input128,000 tokens
Output16,384 tokens
Tencent
Hy4 preview
Input- tokens
Output- tokens
Fri Sep 04 2026 • llm-stats.com

License

Usage and distribution terms

GLM-4.7-Flash is licensed under MIT, while Hy4 preview uses Apache 2.0.

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

GLM-4.7-Flash

MIT

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

GLM-4.7-Flash was released on 2026-01-19, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 7 months newer than GLM-4.7-Flash.

GLM-4.7-Flash

Jan 19, 2026

7 months ago

Hy4 preview

Aug 28, 2026

6 days ago

7mo newer

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 GLM-4.7-Flash and Hy4 preview side-by-side, then vote on the output you prefer.

GLM-4.7-Flash
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about GLM-4.7-Flash vs Hy4 preview.

Which is better, GLM-4.7-Flash or Hy4 preview?

Hy4 preview leads the LLM Stats Score 51.1 to 23.8. GLM-4.7-Flash is made by Zhipu AI 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 GLM-4.7-Flash compare to Hy4 preview in benchmarks?

GLM-4.7-Flash scores AIME 2025: 91.6%, Tau-bench: 79.5%, GPQA: 75.2%, SWE-Bench Verified: 59.2%, BrowseComp: 42.8%. 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 GLM-4.7-Flash and Hy4 preview?

GLM-4.7-Flash supports 128K 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 GLM-4.7-Flash and Hy4 preview?

Key differences include LLM Stats Score (23.8 vs 51.1), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-4.7-Flash and Hy4 preview?

GLM-4.7-Flash is developed by Zhipu AI and Hy4 preview is developed by Tencent.