Mistral Codestral-2501 API

Mistral Codestral-2501 excels in code generation with advanced features like fill-in-the-middle completion and extensive language support.
Output

Overview

Mistral Codestral-2501 Description

Basic Information

  • Model Name: Mistral Codestral-2501
  • Developer/Creator: Mistral AI
  • Release Date: January 13, 2025
  • Version: 1.0
  • Model Type: AI Code Generation Model
Overview:

Mistral Codestral-2501 is a state-of-the-art AI model specifically designed for code generation tasks. It leverages advanced machine learning techniques to assist developers in writing, debugging, and optimizing code across a wide range of programming languages. With its impressive performance metrics and capabilities, Codestral-2501 aims to streamline the coding process and enhance productivity for software developers.

Key Features:
  • Support for 80+ Programming Languages: Proficient in languages including Python, Java, C++, JavaScript, and more niche languages like Swift and Fortran.
  • 256K Context Window: Allows the model to handle larger codebases and complex instructions effectively.
  • Fill-in-the-Middle (FIM) Completion: Users can specify starting and ending points of code, enabling targeted code generation for incomplete snippets.
  • High Performance on Benchmarks: Achieves high scores on various coding benchmarks such as HumanEval (86.6%) and MBPP (80.2%).
  • Low Latency and High Frequency: Optimized for real-time code generation tasks, significantly improving response times compared to previous models.
Intended Use:

Mistral Codestral-2501 is intended for software developers, data scientists, and engineers looking to enhance their coding efficiency. It is particularly useful for applications such as code generation, debugging, code reviews, and educational tools that require interactive coding assistance.

Language Support:

The model supports multiple programming languages with a focus on English for prompts and instructions.

Technical Details

Architecture:

Mistral Codestral-2501 utilizes a transformer-based architecture optimized for low-latency code generation tasks. This architecture allows it to efficiently process large amounts of text while maintaining high-quality output.

Training Data:

The model was trained on a diverse dataset that encompasses a wide variety of programming languages and coding styles.

  • Data Source and Size: The training dataset includes numerous publicly available code repositories and documentation but specific sizes are not disclosed.
  • Diversity and Bias: The training data was curated to minimize biases while maximizing diversity in programming languages and coding practices, enhancing the model's effectiveness in generating varied outputs.
Performance Metrics and Comparison to Other Models:

Usage

Code Samples:

The model is available on the AI/ML API platform as "Mistral Codestral-2501" .

API Documentation:

Detailed API Documentation is available here.

Ethical Guidelines

Mistral AI emphasizes ethical considerations in AI development by promoting transparency regarding the model's capabilities and limitations. The organization encourages responsible usage to prevent misuse or harmful applications of generated content.

Licensing

Mistral Codestral-2501 is available under a commercial license that allows both research and commercial usage rights while ensuring compliance with ethical standards regarding creator rights.

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Get Mistral Codestral-2501 API here.

Use cases

  • Fill-in-the-middle coding – Insert code snippets or complete functions using FIM interface
  • Code correction & test generation – Auto-fix errors and generate tests in languages like Python, Java, C++
  • High-frequency code completion – Fast autocomplete in IDEs and code editors
  • Multi-language coding – Support for 80+ programming languages
  • Batch code generation – Large-scale output tasks across repositories

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How to use Mistral Codestral-2501 API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to .

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Mistral Codestral-2501 API Pricing

TypePrice
Input
Output

Mistral Codestral-2501 Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
HumanEval
86.6%
Python function synthesis from a docstring, scored by unit tests (pass@1)SourceSeptember 22, 2026
LiveCodeBench
37.9%
Contamination-free competitive programming problemsSourceSeptember 22, 2026

Mistral Codestral-2501 vs other models

ModelInputOutputContextBest for
$6.5 / 1M tokens
$39 / 1M tokens
1M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$1.95 / 1M tokens
$11.7 / 1M tokens
1M tokens
Reasoning + agents

Frequently asked questions

Yes, Mistral Codestral-2501 can stream responses as they are generated.

Yes, Mistral Codestral-2501 supports both function calling and structured outputs.

Mistral Codestral-2501 was built by Mistral AI.

It is accessed through the v1/chat/completions endpoint.

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