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Codestral-22B vs o4-mini

o4-mini leads the LLM Stats Score 27.4 to 0.0.

Mistral AI · OpenAI · Updated for 2026

Which is better?

o4-mini leads the overall LLM Stats Score 27.4 to 0.0, ranking #159 overall.

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

Choose Codestral-22B

  • you need open weights you can self-host or fine-tune

Choose o4-mini

  • overall performance matters — it scores 27.4 and ranks #159 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Apr 2025

At a glance

The differences that matter most.

Core performance indexes
0.0
#342
27.4
#159
-0.1
#334
27.4
#150
2.4
#239
11.8
#165
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$1.10 / M
Output price
— / M
$4.40 / M
Context window
—
200,000

Individual benchmarks

7 reported for Codestral-22B · 14 for o4-mini

No common benchmarks found

Codestral-22B and o4-minidon'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

Context Window

Maximum input and output token capacity

Only o4-mini specifies input context (200,000 tokens). Only o4-mini specifies output context (100,000 tokens).

Mistral AI
Codestral-22B
Input- tokens
Output- tokens
OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Mon Oct 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

o4-mini supports multimodal inputs, whereas Codestral-22B does not.

o4-mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

Codestral-22B

Text
Images
Audio
Video

o4-mini

Text
Images
Audio
Video

License

Usage and distribution terms

Codestral-22B is licensed under MNPL-0.1, while o4-mini uses a proprietary license.

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

Codestral-22B

MNPL-0.1

Open weights

o4-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Codestral-22B was released on 2024-05-29, while o4-mini was released on 2025-04-16.

o4-mini is 11 months newer than Codestral-22B.

Codestral-22B

May 29, 2024

2.4 years ago

o4-mini

Apr 16, 2025

1.5 years ago

10mo newer

Knowledge Cutoff

When training data ends

o4-mini has a documented knowledge cutoff of 2024-05-31, while Codestral-22B's cutoff date is not specified.

We can confirm o4-mini's training data extends to 2024-05-31, but cannot make a direct comparison without Codestral-22B's cutoff date.

Codestral-22B

—

o4-mini

May 2024

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Codestral-22B and o4-mini side-by-side, then vote on the output you prefer.

Codestral-22B
✓ Preferred
o4-mini
Open in Playground

FAQ

Common questions about Codestral-22B vs o4-mini.

Which is better, Codestral-22B or o4-mini?

o4-mini leads the LLM Stats Score 27.4 to 0.0. Codestral-22B is made by Mistral AI and o4-mini is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Codestral-22B compare to o4-mini in benchmarks?

Codestral-22B scores HumanEvalFIM-Average: 91.6%, HumanEval: 81.1%, MBPP: 78.2%, Spider: 63.5%, HumanEval-Average: 61.5%. o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%.

What are the context window sizes for Codestral-22B and o4-mini?

Codestral-22B supports an unknown number of tokens and o4-mini supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Codestral-22B and o4-mini?

Key differences include LLM Stats Score (0.0 vs 27.4), multimodal support (no vs yes), licensing (MNPL-0.1 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Codestral-22B and o4-mini?

Codestral-22B is developed by Mistral AI and o4-mini is developed by OpenAI.