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Hy4 preview vs o1-mini

Hy4 preview leads the LLM Stats Score 51.5 to 10.2.

Tencent · OpenAI · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to 10.2, ranking #10 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 Hy4 preview

  • overall performance matters — it scores 51.5 and ranks #10 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
  • you need open weights you can self-host or fine-tune

Choose o1-mini

  • you want predictable pricing at $3.00/M input and $12.00/M output

At a glance

The differences that matter most.

Hy4 preview
Tencent
o1-mini
OpenAI
Core performance indexes
LLM Stats Score
51.5
#10
10.2
#250
Reasoning
51.2
#8
10.4
#244
Coding
40.9
#10
14.5
#121
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$3.00 / M
Output price
— / M
$12.00 / M
Context window
—
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Hy4 preview
o1-mini
Math
40.3#12
11.0#237
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 6 for o1-mini

1 shared

Hy4 preview outperforms in 1 benchmarks (GPQA), while o1-mini is better at 0 benchmarks.

Hy4 preview significantly outperforms across most benchmarks.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only o1-mini specifies input context (128,000 tokens). Only o1-mini specifies output context (65,536 tokens).

Tencent
Hy4 preview
Input- tokens
Output- tokens
OpenAI
o1-mini
Input128,000 tokens
Output65,536 tokens
Mon Aug 31 2026 • llm-stats.com

License

Usage and distribution terms

Hy4 preview is licensed under Apache 2.0, while o1-mini 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

o1-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while o1-mini was released on 2024-09-12.

Hy4 preview is 24 months newer than o1-mini.

Hy4 preview

Aug 28, 2026

2 days ago

2.0yr newer
o1-mini

Sep 12, 2024

2.0 years 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 o1-mini side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
o1-mini
Open in Playground

FAQ

Common questions about Hy4 preview vs o1-mini.

Which is better, Hy4 preview or o1-mini?

Hy4 preview leads the LLM Stats Score 51.5 to 10.2. Hy4 preview is made by Tencent and o1-mini is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hy4 preview compare to o1-mini 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%. o1-mini scores HumanEval: 92.4%, MATH-500: 90.0%, MMLU: 85.2%, SuperGLUE: 75.0%, GPQA: 60.0%.

What are the context window sizes for Hy4 preview and o1-mini?

Hy4 preview supports an unknown number of tokens and o1-mini supports 128K 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 o1-mini?

Key differences include LLM Stats Score (51.5 vs 10.2), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and o1-mini?

Hy4 preview is developed by Tencent and o1-mini is developed by OpenAI.

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