Model Comparison

Hy3 vs Grok 4.3Which is better in 2026?

Comparing Hy3 and Grok 4.3 across benchmarks, pricing, and capabilities.

Verdict: Hy3 vs Grok 4.3 — which is better?

Hy3 (by Tencent) and Grok 4.3 (by xAI) 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.

Choose Hy3 if…

  • you want the most recent training data — it shipped Jul 2026
  • you need open weights you can self-host or fine-tune

Choose Grok 4.3 if…

  • you want predictable pricing at $1.25/M input and $2.50/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Hy3 and Grok 4.3don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok 4.3 specifies input context (1,000,000 tokens).

Tencent
Hy3
Input- tokens
Output- tokens
xAI
Grok 4.3
Input1,000,000 tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

License

Usage and distribution terms

Hy3 is licensed under Apache 2.0, while Grok 4.3 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

Grok 4.3

Proprietary

Closed source

Release Timeline

When each model was launched

Hy3 was released on 2026-07-06, while Grok 4.3 was released on 2026-05-06.

Hy3 is 2 months newer than Grok 4.3.

Hy3

Jul 6, 2026

1 weeks ago

2mo newer
Grok 4.3

May 6, 2026

2 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
Has open weights
xAI
Larger context window (1,000,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Hy3 and Grok 4.3 side-by-side, then vote on the output you prefer.

Hy3
✓ Preferred
Grok 4.3
Open in Playground
AI Model Comparison Table
Feature
Tencent
Hy3
xAI
Grok 4.3

FAQ

Common questions about Hy3 vs Grok 4.3.

Which is better, Hy3 or Grok 4.3?

Hy3 (Tencent) and Grok 4.3 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Hy3 compare to Grok 4.3 in benchmarks?

Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%. Grok 4.3 scores Finance Agent v2: 37.7%, GDPval-AA: 36.7%.

What are the context window sizes for Hy3 and Grok 4.3?

Hy3 supports an unknown number of tokens and Grok 4.3 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 Grok 4.3?

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

Who makes Hy3 and Grok 4.3?

Hy3 is developed by Tencent and Grok 4.3 is developed by xAI.

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