Model Comparison

Codestral-22B vs GPT-5Which is better in 2026?

GPT-5 significantly outperforms across most benchmarks.

Verdict: Codestral-22B vs GPT-5 — which is better?

Codestral-22B (by Mistral AI) and GPT-5 (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Codestral-22B outperforms in 0 benchmarks, while GPT-5 is better at 1 benchmark (HumanEval). GPT-5 significantly outperforms across most benchmarks.

Choose Codestral-22B if…

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

Choose GPT-5 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Aug 2025

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Codestral-22B outperforms in 0 benchmarks, while GPT-5 is better at 1 benchmark (HumanEval).

GPT-5 significantly outperforms across most benchmarks.

Tue Jul 28 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5 specifies input context (400,000 tokens). Only GPT-5 specifies output context (128,000 tokens).

Mistral AI
Codestral-22B
Input- tokens
Output- tokens
OpenAI
GPT-5
Input400,000 tokens
Output128,000 tokens
Tue Jul 28 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5 supports multimodal inputs, whereas Codestral-22B does not.

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

Codestral-22B

Text
Images
Audio
Video

GPT-5

Text
Images
Audio
Video

License

Usage and distribution terms

Codestral-22B is licensed under MNPL-0.1, while GPT-5 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

GPT-5

Proprietary

Closed source

Release Timeline

When each model was launched

Codestral-22B was released on 2024-05-29, while GPT-5 was released on 2025-08-07.

GPT-5 is 15 months newer than Codestral-22B.

Codestral-22B

May 29, 2024

2.2 years ago

GPT-5

Aug 7, 2025

11 months ago

1.2yr newer

Knowledge Cutoff

When training data ends

GPT-5 has a documented knowledge cutoff of 2024-09-30, while Codestral-22B's cutoff date is not specified.

We can confirm GPT-5's training data extends to 2024-09-30, but cannot make a direct comparison without Codestral-22B's cutoff date.

Codestral-22B

—

GPT-5

Sep 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Mistral AI
Has open weights
OpenAI
Larger context window (400,000 tokens)
Supports multimodal inputs
Higher HumanEval score (93.4% vs 81.1%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Codestral-22B and GPT-5 side-by-side, then vote on the output you prefer.

Codestral-22B
✓ Preferred
GPT-5
Open in Playground
AI Model Comparison Table
Feature
Mistral AI
Codestral-22B
OpenAI
GPT-5

FAQ

Common questions about Codestral-22B vs GPT-5.

Which is better, Codestral-22B or GPT-5?

GPT-5 significantly outperforms across most benchmarks. Codestral-22B is made by Mistral AI and GPT-5 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Codestral-22B compare to GPT-5 in benchmarks?

Codestral-22B scores HumanEvalFIM-Average: 91.6%, HumanEval: 81.1%, MBPP: 78.2%, Spider: 63.5%, HumanEval-Average: 61.5%. GPT-5 scores SWE-Lancer (IC-Diamond subset): 100.0%, COLLIE: 99.0%, Tau2 Telecom: 96.7%, OpenAI-MRCR: 2 needle 128k: 95.2%, AIME 2025: 94.6%.

What are the context window sizes for Codestral-22B and GPT-5?

Codestral-22B supports an unknown number of tokens and GPT-5 supports 400K 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 GPT-5?

Key differences include 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 GPT-5?

Codestral-22B is developed by Mistral AI and GPT-5 is developed by OpenAI.

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