Model Comparison

Hy3 vs GLM-5.2Which is better in 2026?

GLM-5.2 shows notably better performance in the majority of benchmarks.

Verdict: Hy3 vs GLM-5.2 — which is better?

Hy3 (by Tencent) and GLM-5.2 (by Zhipu AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Hy3 outperforms in 2 benchmarks (MCP Atlas, Toolathlon), while GLM-5.2 is better at 6 benchmarks (DeepSWE, GPQA, IMO-AnswerBench, NL2Repo, SWE-Bench Pro, Terminal-Bench 2.1). GLM-5.2 shows notably better performance in the majority of benchmarks.

Choose Hy3 if…

  • you want the most recent training data — it shipped Jul 2026

Choose GLM-5.2 if…

  • you want the strongest raw capability — it leads on 6 of 8 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Hy3 outperforms in 2 benchmarks (MCP Atlas, Toolathlon), while GLM-5.2 is better at 6 benchmarks (DeepSWE, GPQA, IMO-AnswerBench, NL2Repo, SWE-Bench Pro, Terminal-Bench 2.1).

GLM-5.2 shows notably better performance in the majority of benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

458.0B diff

GLM-5.2 has 458.0B more parameters than Hy3, making it 155.3% larger.

Tencent
Hy3
295.0Bparameters
Zhipu AI
GLM-5.2
753.0Bparameters
295.0B
Hy3
753.0B
GLM-5.2

Context Window

Maximum input and output token capacity

Only GLM-5.2 specifies input context (1,048,576 tokens). Only GLM-5.2 specifies output context (131,072 tokens).

Tencent
Hy3
Input- tokens
Output- tokens
Zhipu AI
GLM-5.2
Input1,048,576 tokens
Output131,072 tokens
Fri Jul 17 2026 • llm-stats.com

License

Usage and distribution terms

Hy3 is licensed under Apache 2.0, while GLM-5.2 uses MIT.

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

Hy3

Apache 2.0

Open weights

GLM-5.2

MIT

Open weights

Release Timeline

When each model was launched

Hy3 was released on 2026-07-06, while GLM-5.2 was released on 2026-06-16.

Hy3 is 1 month newer than GLM-5.2.

Hy3

Jul 6, 2026

1 weeks ago

2w newer
GLM-5.2

Jun 16, 2026

1 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→

Key Takeaways

Tencent
Higher MCP Atlas score (79.1% vs 76.8%)
Higher Toolathlon score (48.5% vs 48.2%)
Zhipu AI
Larger context window (1,048,576 tokens)
Higher DeepSWE score (46.2% vs 28.0%)
Higher GPQA score (91.2% vs 90.4%)
Higher IMO-AnswerBench score (91.0% vs 90.0%)
Higher NL2Repo score (48.9% vs 45.6%)
Higher SWE-Bench Pro score (62.1% vs 57.9%)
Higher Terminal-Bench 2.1 score (82.7% vs 71.7%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Hy3 and GLM-5.2 side-by-side, then vote on the output you prefer.

Hy3
✓ Preferred
GLM-5.2
Open in Playground
AI Model Comparison Table
Feature
Tencent
Hy3
Zhipu AI
GLM-5.2

FAQ

Common questions about Hy3 vs GLM-5.2.

Which is better, Hy3 or GLM-5.2?

GLM-5.2 shows notably better performance in the majority of benchmarks. Hy3 is made by Tencent and GLM-5.2 is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Hy3 compare to GLM-5.2 in benchmarks?

Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%. GLM-5.2 scores AIME 2026: 99.2%, HMMT 2025: 94.4%, HMMT Feb 26: 92.5%, GPQA: 91.2%, IMO-AnswerBench: 91.0%.

What are the context window sizes for Hy3 and GLM-5.2?

Hy3 supports an unknown number of tokens and GLM-5.2 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 Hy3 and GLM-5.2?

Key differences include licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy3 and GLM-5.2?

Hy3 is developed by Tencent and GLM-5.2 is developed by Zhipu AI.

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