File Analysis Guide

Learn how to leverage DeepSeek's powerful file analysis capabilities with the deepseek-reasoner-all model.

Overview

Supported File Types

📄

Text Documents

Plain text (.txt), Markdown (.md), and rich text (.rtf) files

💻

Source Code

Common programming languages (.py, .js, .java, etc.)

📊

Data Files

CSV, JSON, and YAML files

📑

Documents

PDF and Microsoft Office files (.docx, .xlsx)

File Analysis API

Endpoint

POST https://deepseekapi.org/v1/chat/completions

Request Format

{
  "model": "deepseek-reasoner-all",
  "messages": [
    {
      "role": "user",
      "content": "Please analyze this file",
      "files": [
        {
          "type": "text/plain",
          "content": "Base64 encoded file content"
        }
      ]
    }
  ]
}

Code Example

Best Practices

File Preparation
- Ensure files are in supported formats
- Keep file sizes reasonable (under 10MB)
- Use appropriate MIME types
API Usage
- Include clear instructions in the prompt
- Handle large files in chunks if needed
- Implement proper error handling
Performance Optimization
- Cache analysis results when possible
- Compress large files before sending
- Use batch processing for multiple files

Example Use Cases

🔍

Code Review

Analyze source code for bugs, security issues, and improvement opportunities.

📊

Data Analysis

Extract insights from CSV files and data dumps.

📝

Document Summary

Generate summaries and extract key information from documents.

🔐

Security Audit

Scan files for potential security vulnerabilities.

Error Handling

Error Code	Description	Solution
413	File too large	Reduce file size or split into chunks
415	Unsupported file type	Convert to a supported format
422	Invalid file content	Check file encoding and format