Model Comparison

Hy3 vs o3-miniWhich is better in 2026?

Hy3 significantly outperforms across most benchmarks.

Verdict: Hy3 vs o3-mini — which is better?

Hy3 (by Tencent) and o3-mini (by OpenAI) 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 (GPQA, SWE-Bench Verified), while o3-mini is better at 0 benchmarks. Hy3 significantly outperforms across most benchmarks.

Choose Hy3 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026
  • you need open weights you can self-host or fine-tune

Choose o3-mini if…

  • you want predictable pricing at $1.10/M input and $4.40/M output

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Hy3 outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while o3-mini is better at 0 benchmarks.

Hy3 significantly outperforms across most benchmarks.

Mon Jul 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only o3-mini specifies input context (200,000 tokens). Only o3-mini specifies output context (100,000 tokens).

Tencent
Hy3
Input- tokens
Output- tokens
OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
Mon Jul 20 2026 • llm-stats.com

License

Usage and distribution terms

Hy3 is licensed under Apache 2.0, while o3-mini uses a proprietary license.

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

Hy3

Apache 2.0

Open weights

o3-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Hy3 was released on 2026-07-06, while o3-mini was released on 2025-01-30.

Hy3 is 17 months newer than o3-mini.

Hy3

Jul 6, 2026

2 weeks ago

1.4yr newer
o3-mini

Jan 30, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

o3-mini has a documented knowledge cutoff of 2023-09-30, while Hy3's cutoff date is not specified.

We can confirm o3-mini's training data extends to 2023-09-30, but cannot make a direct comparison without Hy3's cutoff date.

Hy3

—

o3-mini

Sep 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Tencent
Has open weights
Higher GPQA score (90.4% vs 77.2%)
Higher SWE-Bench Verified score (78.0% vs 49.3%)
OpenAI
Larger context window (200,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Hy3 and o3-mini side-by-side, then vote on the output you prefer.

Hy3
✓ Preferred
o3-mini
Open in Playground
AI Model Comparison Table
Feature
Tencent
Hy3
OpenAI
o3-mini

FAQ

Common questions about Hy3 vs o3-mini.

Which is better, Hy3 or o3-mini?

Hy3 significantly outperforms across most benchmarks. Hy3 is made by Tencent and o3-mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Hy3 compare to o3-mini in benchmarks?

Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%. o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%.

What are the context window sizes for Hy3 and o3-mini?

Hy3 supports an unknown number of tokens and o3-mini supports 200K 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 o3-mini?

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

Who makes Hy3 and o3-mini?

Hy3 is developed by Tencent and o3-mini is developed by OpenAI.

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