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Claude Sonnet 5 vs Hy3

Claude Sonnet 5 leads the LLM Stats Score 48.3 to 43.2. Hy3 is 16.0x cheaper per token.

Anthropic · Tencent · Updated for 2026

Which is better?

Claude Sonnet 5 leads the overall LLM Stats Score 48.3 to 43.2, ranking #23 overall.

In the 7 individual benchmarks reported for both models, Claude Sonnet 5 wins 7; this is a narrower head-to-head signal than the composite indexes.

On price, Hy3 is roughly 16.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Sonnet 5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Sonnet 5

  • overall performance matters — it scores 48.3 and ranks #23 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 7 of 7 exact shared results
  • you process long inputs — it offers a 1,000,000 token context window

Choose Hy3

  • cost matters — it's about 16.0x cheaper per token
  • you want the most recent training data — it shipped Jul 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
48.3
#23
43.2
#41
47.7
#22
43.1
#42
36.9
#19
33.2
#35
31.6
#28
27.2
#44
Cost, coverage & limits
Benchmark wins
7 of 7
0 of 7
Input price
$2.00 / M
$0.14 / M
Output price
$10.00 / M
$0.58 / M
Context window
1,000,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Sonnet 5
Hy3
39.0#24
36.9#33
24.0#39
21.4#50
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

23 reported for Claude Sonnet 5 · 31 for Hy3

7 shared

Claude Sonnet 5 outperforms in 7 benchmarks (ArXivMath, BrowseComp, SWE-bench Multilingual, SWE-Bench Pro, SWE-Bench Verified, Toolathlon, USAMO 2026), while Hy3 is better at 0 benchmarks.

Claude Sonnet 5 significantly outperforms across most benchmarks.

Mon Sep 21 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Hy3 costs less

For input processing, Claude Sonnet 5 ($2.00/1M tokens) is 14.3x more expensive than Hy3 ($0.14/1M tokens).

For output processing, Claude Sonnet 5 ($10.00/1M tokens) is 17.2x more expensive than Hy3 ($0.58/1M tokens).

In conclusion, Claude Sonnet 5 is more expensive than Hy3.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Sep 21 2026 • llm-stats.com
Anthropic
Claude Sonnet 5
Input tokens$2.00
Output tokens$10.00
Best providerAnthropic
Tencent
Hy3
Input tokens$0.14
Output tokens$0.58
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Claude Sonnet 5 accepts 1,000,000 input tokens compared to Hy3's 262,144 tokens. Hy3 can generate longer responses up to 262,144 tokens, while Claude Sonnet 5 is limited to 64,000 tokens.

Anthropic
Claude Sonnet 5
Input1,000,000 tokens
Output64,000 tokens
Tencent
Hy3
Input262,144 tokens
Output262,144 tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

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

Claude Sonnet 5

Text
Images
Audio
Video

Hy3

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 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 Sonnet 5

Proprietary

Closed source

Hy3

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 5 was released on 2026-06-30, while Hy3 was released on 2026-07-06.

Hy3 is 0 month newer than Claude Sonnet 5.

Claude Sonnet 5

Jun 30, 2026

2 months ago

Hy3

Jul 6, 2026

2 months ago

6d 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

Provider Availability

Claude Sonnet 5 is available from Anthropic, DeepInfra. Hy3 is available from DeepInfra.

Claude Sonnet 5

anthropic logo
Anthropic
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
deepinfra logo
Deepinfra
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Hy3

deepinfra logo
Deepinfra
Input Price:Input: $0.14/1MOutput Price:Output: $0.58/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

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

Claude Sonnet 5
✓ Preferred
Hy3
Open in Playground

FAQ

Common questions about Claude Sonnet 5 vs Hy3.

Which is better, Claude Sonnet 5 or Hy3?

Claude Sonnet 5 leads the LLM Stats Score 48.3 to 43.2. Claude Sonnet 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 Sonnet 5 compare to Hy3 in benchmarks?

Claude Sonnet 5 scores CharXiv-R: 88.3%, ChartMuseum: 86.7%, SWE-Bench Verified: 85.2%, BrowseComp: 84.7%, GDP.pdf: 81.6%. Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%.

Is Claude Sonnet 5 cheaper than Hy3?

Hy3 is 14.3x cheaper for input tokens. Claude Sonnet 5 costs $2.00/M input and $10.00/M output via anthropic. Hy3 costs $0.14/M input and $0.58/M output via deepinfra.

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

Claude Sonnet 5 supports 1.0M tokens and Hy3 supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 5 and Hy3?

Key differences include LLM Stats Score (48.3 vs 43.2), context window (1.0M vs 262K), input pricing ($2.00 vs $0.14/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 5 and Hy3?

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