The AI arena is free today

Open Superagent

Claude Opus 5 vs Hy3

Claude Opus 5 leads the LLM Stats Score 56.2 to 42.9.

Anthropic · Tencent · Updated for 2026

Which is better?

Claude Opus 5 leads the overall LLM Stats Score 56.2 to 42.9, ranking #2 overall.

In the 1 individual benchmarks reported for both models, Claude Opus 5 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 Claude Opus 5

  • overall performance matters — it scores 56.2 and ranks #2 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 Jul 2026

Choose Hy3

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Opus 5
Anthropic
Hy3
Tencent
Core performance indexes
LLM Stats Score
56.2
#2
42.9
#39
Reasoning
55.0
#3
42.9
#37
Coding
42.8
#9
35.0
#27
Agents
41.3
#3
28.2
#36
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$5.00 / M
— / M
Output price
$25.00 / M
— / M
Context window
1,000,000
—

Individual benchmarks

12 reported for Claude Opus 5 · 31 for Hy3

1 shared

Claude Opus 5 outperforms in 1 benchmarks (BrowseComp), while Hy3 is better at 0 benchmarks.

Claude Opus 5 significantly outperforms across most benchmarks.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Opus 5 specifies input context (1,000,000 tokens). Only Claude Opus 5 specifies output context (128,000 tokens).

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
Tencent
Hy3
Input- tokens
Output- tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5 supports multimodal inputs, whereas Hy3 does not.

Claude Opus 5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5

Text
Images
Audio
Video

Hy3

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5 is licensed under a proprietary license, while Hy3 uses Apache 2.0.

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

Claude Opus 5

Proprietary

Closed source

Hy3

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while Hy3 was released on 2026-07-06.

Claude Opus 5 is 1 month newer than Hy3.

Claude Opus 5

Jul 24, 2026

1 months ago

2w newer
Hy3

Jul 6, 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→

Judge for yourself.

Run your own prompts against Claude Opus 5 and Hy3 side-by-side, then vote on the output you prefer.

Claude Opus 5
✓ Preferred
Hy3
Open in Playground

FAQ

Common questions about Claude Opus 5 vs Hy3.

Which is better, Claude Opus 5 or Hy3?

Claude Opus 5 leads the LLM Stats Score 56.2 to 42.9. Claude Opus 5 is made by Anthropic and Hy3 is made by Tencent. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Opus 5 compare to Hy3 in benchmarks?

Claude Opus 5 scores BrowseComp: 90.8%, BioMysteryBench: 90.1%, OSWorld 2.0: 70.6%, DeepSWE 1.1: 68.8%, Humanity's Last Exam: 64.7%. Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%.

What are the context window sizes for Claude Opus 5 and Hy3?

Claude Opus 5 supports 1.0M tokens and Hy3 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 Claude Opus 5 and Hy3?

Key differences include LLM Stats Score (56.2 vs 42.9), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and Hy3?

Claude Opus 5 is developed by Anthropic and Hy3 is developed by Tencent.

Related comparisons