Model Comparison

Claude Fable 5 vs Hy3Which is better in 2026?

Claude Fable 5 significantly outperforms across most benchmarks.

Verdict: Claude Fable 5 vs Hy3 — which is better?

Claude Fable 5 (by Anthropic) and Hy3 (by Tencent) 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.

Claude Fable 5 outperforms in 3 benchmarks (SWE-Bench Pro, SWE-Bench Verified, Terminal-Bench 2.1), while Hy3 is better at 0 benchmarks. Claude Fable 5 significantly outperforms across most benchmarks.

Choose Claude Fable 5 if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

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

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Claude Fable 5 outperforms in 3 benchmarks (SWE-Bench Pro, SWE-Bench Verified, Terminal-Bench 2.1), while Hy3 is better at 0 benchmarks.

Claude Fable 5 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

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

Anthropic
Claude Fable 5
Input1,000,000 tokens
Output128,000 tokens
Tencent
Hy3
Input- tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

Claude Fable 5

Text
Images
Audio
Video

Hy3

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Fable 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 Fable 5

Proprietary

Closed source

Hy3

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Fable 5 was released on 2026-06-09, while Hy3 was released on 2026-07-06.

Hy3 is 1 month newer than Claude Fable 5.

Claude Fable 5

Jun 9, 2026

1 months ago

Hy3

Jul 6, 2026

1 weeks ago

3w newer

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

Anthropic
Larger context window (1,000,000 tokens)
Supports multimodal inputs
Higher SWE-Bench Pro score (80.0% vs 57.9%)
Higher SWE-Bench Verified score (95.0% vs 78.0%)
Higher Terminal-Bench 2.1 score (84.3% vs 71.7%)
Tencent
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

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

Claude Fable 5
✓ Preferred
Hy3
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Fable 5
Tencent
Hy3

FAQ

Common questions about Claude Fable 5 vs Hy3.

Which is better, Claude Fable 5 or Hy3?

Claude Fable 5 significantly outperforms across most benchmarks. Claude Fable 5 is made by Anthropic and Hy3 is made by Tencent. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Fable 5 compare to Hy3 in benchmarks?

Claude Fable 5 scores SWE-Bench Verified: 95.0%, FrontierSWE: 90.0%, OSWorld-Verified: 85.0%, Terminal-Bench 2.1: 84.3%, SWE-Bench Pro: 80.0%. 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 Fable 5 and Hy3?

Claude Fable 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 Fable 5 and Hy3?

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

Who makes Claude Fable 5 and Hy3?

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

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