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Hy4 preview vs Inkling-Small

Hy4 preview leads the LLM Stats Score 51.0 to 38.5.

Tencent · Thinking Machines Lab · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.0 to 38.5, ranking #14 overall.

In the 7 individual benchmarks reported for both models, Hy4 preview wins 7; 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 Hy4 preview

  • overall performance matters — it scores 51.0 and ranks #14 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 7 of 7 exact shared results
  • you want the most recent training data — it shipped Aug 2026

Choose Inkling-Small

  • you want predictable pricing at $0.30/M input and $1.20/M output

At a glance

The differences that matter most.

Core performance indexes
51.0
#14
38.5
#65
50.8
#10
38.1
#63
39.7
#14
29.3
#54
36.7
#16
23.6
#56
Cost, coverage & limits
Benchmark wins
7 of 7
0 of 7
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Hy4 preview
Inkling-Small
41.0#11
33.9#51
30.9#14
21.1#55
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 24 for Inkling-Small

7 shared

Hy4 preview outperforms in 7 benchmarks (CritPT, GDPval-AA, GPQA, MCP Atlas, SWE-Bench Pro, Terminal-Bench 2.1, Toolathlon), while Inkling-Small is better at 0 benchmarks.

Hy4 preview significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

494.0B diff

Hy4 preview has 494.0B more parameters than Inkling-Small, making it 179.0% larger.

Tencent
Hy4 preview
770.0Bparameters
Thinking Machines Lab
Inkling-Small
276.0Bparameters
770.0B
Hy4 preview
276.0B
Inkling-Small

Context Window

Maximum input and output token capacity

Only Inkling-Small specifies input context (256,000 tokens). Only Inkling-Small specifies output context (256,000 tokens).

Tencent
Hy4 preview
Input- tokens
Output- tokens
Thinking Machines Lab
Inkling-Small
Input256,000 tokens
Output256,000 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Inkling-Small supports multimodal inputs, whereas Hy4 preview does not.

Inkling-Small can handle both text and other forms of data like images, making it suitable for multimodal applications.

Hy4 preview

Text
Images
Audio
Video

Inkling-Small

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

Hy4 preview

Apache 2.0

Open weights

Inkling-Small

Apache 2.0

Open weights

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while Inkling-Small was released on 2026-07-30.

Hy4 preview is 1 month newer than Inkling-Small.

Hy4 preview

Aug 28, 2026

3 weeks ago

4w newer
Inkling-Small

Jul 30, 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 Hy4 preview and Inkling-Small side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
Inkling-Small
Open in Playground

FAQ

Common questions about Hy4 preview vs Inkling-Small.

Which is better, Hy4 preview or Inkling-Small?

Hy4 preview leads the LLM Stats Score 51.0 to 38.5. Hy4 preview is made by Tencent and Inkling-Small is made by Thinking Machines Lab. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hy4 preview compare to Inkling-Small in benchmarks?

Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%. Inkling-Small scores AIME 2026: 95.5%, VoiceBench Avg: 90.1%, GPQA: 89.5%, Global-MMLU-Lite: 86.7%, ARC-AGI: 84.0%.

What are the context window sizes for Hy4 preview and Inkling-Small?

Hy4 preview supports an unknown number of tokens and Inkling-Small supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Hy4 preview and Inkling-Small?

Key differences include LLM Stats Score (51.0 vs 38.5), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and Inkling-Small?

Hy4 preview is developed by Tencent and Inkling-Small is developed by Thinking Machines Lab.