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Codestral-22B vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.5 to 0.2.

Mistral AI · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to 0.2, ranking #10 overall.

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

Choose Codestral-22B

  • you are already invested in the Mistral AI ecosystem

Choose Hy4 preview

  • overall performance matters — it scores 51.5 and ranks #10 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.

Codestral-22B
Mistral AI
Hy4 preview
Tencent
Core performance indexes
LLM Stats Score
0.2
#309
51.5
#10
Reasoning
0.1
#303
51.2
#8
Coding
2.5
#213
40.9
#10
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

7 reported for Codestral-22B · 32 for Hy4 preview

No common benchmarks found

Codestral-22B 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

747.8B diff

Hy4 preview has 747.8B more parameters than Codestral-22B, making it 3368.5% larger.

Mistral AI
Codestral-22B
22.2Bparameters
Tencent
Hy4 preview
770.0Bparameters
22.2B
Codestral-22B
770.0B
Hy4 preview

License

Usage and distribution terms

Codestral-22B is licensed under MNPL-0.1, while Hy4 preview uses Apache 2.0.

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

Codestral-22B

MNPL-0.1

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

Codestral-22B was released on 2024-05-29, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 27 months newer than Codestral-22B.

Codestral-22B

May 29, 2024

2.3 years ago

Hy4 preview

Aug 28, 2026

3 days ago

2.2yr 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 Codestral-22B and Hy4 preview side-by-side, then vote on the output you prefer.

Codestral-22B
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about Codestral-22B vs Hy4 preview.

Which is better, Codestral-22B or Hy4 preview?

Hy4 preview leads the LLM Stats Score 51.5 to 0.2. Codestral-22B 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 Codestral-22B compare to Hy4 preview in benchmarks?

Codestral-22B scores HumanEvalFIM-Average: 91.6%, HumanEval: 81.1%, MBPP: 78.2%, Spider: 63.5%, HumanEval-Average: 61.5%. 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 main differences between Codestral-22B and Hy4 preview?

Key differences include LLM Stats Score (0.2 vs 51.5), licensing (MNPL-0.1 vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Codestral-22B and Hy4 preview?

Codestral-22B is developed by Mistral AI and Hy4 preview is developed by Tencent.

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