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Devstral Small 1.1 vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.1 to 9.6.

Mistral AI · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.1 to 9.6, ranking #14 overall.

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

Choose Devstral Small 1.1

  • you want predictable pricing at $0.10/M input and $0.30/M output

Choose Hy4 preview

  • overall performance matters — it scores 51.1 and ranks #14 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Core performance indexes
9.6
#258
51.1
#14
9.5
#250
50.7
#11
1.1
#227
39.8
#12
Cost, coverage & limits
Benchmark wins
Input price
$0.10 / M
— / M
Output price
$0.30 / M
— / M
Context window
128,000

Individual benchmarks

1 reported for Devstral Small 1.1 · 32 for Hy4 preview

No common benchmarks found

Devstral Small 1.1 and Hy4 previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

746.0B diff

Hy4 preview has 746.0B more parameters than Devstral Small 1.1, making it 3108.3% larger.

Mistral AI
Devstral Small 1.1
24.0Bparameters
Tencent
Hy4 preview
770.0Bparameters
24.0B
Devstral Small 1.1
770.0B
Hy4 preview

Context Window

Maximum input and output token capacity

Only Devstral Small 1.1 specifies input context (128,000 tokens). Only Devstral Small 1.1 specifies output context (128,000 tokens).

Mistral AI
Devstral Small 1.1
Input128,000 tokens
Output128,000 tokens
Tencent
Hy4 preview
Input- tokens
Output- tokens
Fri Sep 04 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

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

Devstral Small 1.1

Apache 2.0

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

Devstral Small 1.1 was released on 2025-07-11, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 14 months newer than Devstral Small 1.1.

Devstral Small 1.1

Jul 11, 2025

1.2 years ago

Hy4 preview

Aug 28, 2026

1 weeks ago

1.1yr 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

Judge for yourself.

Run your own prompts against Devstral Small 1.1 and Hy4 preview side-by-side, then vote on the output you prefer.

Devstral Small 1.1
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about Devstral Small 1.1 vs Hy4 preview.

Which is better, Devstral Small 1.1 or Hy4 preview?

Hy4 preview leads the LLM Stats Score 51.1 to 9.6. Devstral Small 1.1 is made by Mistral AI and Hy4 preview is made by Tencent. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Devstral Small 1.1 compare to Hy4 preview in benchmarks?

Devstral Small 1.1 scores SWE-Bench Verified: 53.6%. Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%.

What are the context window sizes for Devstral Small 1.1 and Hy4 preview?

Devstral Small 1.1 supports 128K tokens and Hy4 preview 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 Devstral Small 1.1 and Hy4 preview?

Key differences include LLM Stats Score (9.6 vs 51.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Devstral Small 1.1 and Hy4 preview?

Devstral Small 1.1 is developed by Mistral AI and Hy4 preview is developed by Tencent.