An Overview of Integrating AI into KMP Projects Using the OpenAI Kotlin SDK

Mehmet Burak Akgün
4 min readJan 5, 2025

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Integrating OpenAI’s Kotlin SDK into Kotlin multiplatform projects empowers developers to incorporate advanced AI functionalities seamlessly across various platforms like Android, iOS, and JVM. This article provides a comprehensive guide on setting up the SDK, exploring its core features, and implementing best practices for efficient and secure AI-driven applications.

Brief Overview of OpenAI Kotlin SDK

This Kotlin SDK is community-driven, a simple library developed to integrate OpenAI’s AI capabilities into Kotlin-based applications seamlessly. This library is designed for and aimed at features of the Kotlin Multiplatform that can be deployed on Android, iOS, and JVM, among others, which makes it versatile for several AI-driven applications like chatbots and data analytical tools.

Benefits of Using Kotlin Multiplatform with OpenAI

Kotlin Multiplatform allows one to apply shared codes on various platforms. This makes the even more possible coordinated development more practicable. Combining OpenAI and KMP has the following few primary advantages:

  • Using code reuse, develop artificial intelligence capabilities for iOS, Android, and other platforms.
  • One foundation for codes: Programming from a single basis helps one to keep updates and solve problems more easily.

Getting Started : SDK Installation and Setup

Begin by adding the OpenAI Kotlin SDK to your project:

Add Dependency:

dependencies {
implementation("com.aallam.openai:openai-client:3.8.2")
}

Choose Ktor Engine: Select and add an appropriate Ktor engine for your platform, e.g. JVM

dependencies {
implementation("io.ktor:ktor-client-okhttp:2.3.2")
}

Sync Project: Ensure the build system recognizes the new dependencies.

Dependency Configuration

Ensure proper configuration for smooth operation

  • Gradle Setup: Include necessary repositories and dependencies in your build.gradle or build.gradle.kts.
  • Version Management: Align Kotlin, Ktor, and SDK versions to avoid conflicts. Refer to the GitHub repository for updates.

Basic Client Initialization

Initialize the OpenAI client to start making API calls:

val chatCompletionRequest = ChatCompletionRequest(
model = ModelId("gpt-3.5-turbo"),
messages = listOf(
ChatMessage(
role = ChatRole.System,
content = "You are a helpful assistant!"
),
ChatMessage(
role = ChatRole.User,
content = "Hello!"
)
)
)
val completion: ChatCompletion = openAI.chatCompletion(chatCompletionRequest)
// or, as flow
val completions: Flow<ChatCompletionChunk> =
openAI.chatCompletions(chatCompletionRequest)

Core Features and Implementation : Creating OpenAI Instance

Establish a connection to OpenAI’s API:

val openAI = OpenAI(token = "your-api-key")
Alternatively, use OpenAIConfig for custom settings:
kotlinval config = OpenAIConfig(
token = "your-api-key",
timeout = Timeout(socket = 60.seconds)
)
val openAI = OpenAI(config)

⭐️ API Key Management and Configuration Options

Secure your API keys by: Using environment variables: Store keys outside the codebase. Encrypted configuration files: protect sensitive information. Avoid Hardcoding: Prevent exposure of API keys in source code.

Configuring Timeout and Parameters

Tailor API requests for optimal performance:

Timeout Settings: Adjust to handle network variability.

val config = OpenAIConfig(timeout = 
Timeout(socket = 60.seconds,connect = 30.seconds)
)

Request Parameters: Customize model, temperature, and tokens.

val request = CompletionRequest(
prompt = "Generate Kotlin code.",
model = "text-davinci-003",
maxTokens = 150,
temperature = 0.7)

Error Handling Strategies

Ensure resilience with robust error management:

  • Retry Mechanism: Implement retries with exponential backoff for transient failures.
  • Graceful Degradation: Provide fallback responses when the API is unavailable.

Platform-Specific Considerations

Optimize for each platform: with or without CMP.

  • Android: Manage lifecycle events to handle API calls efficiently.
  • iOS: Utilize Swift interoperability for seamless integration. (optionally, without CMP)

Assistant API Deep Dive : Creating and Managing Assistants

Build intelligent assistants by:

  • Initialization: Configure assistants with specific models or prompts.
val assistant = openAI.assistant(name = "Chatbot", model = "gpt-4")

🤘 Handle multiple assistants for different functionalities.

Message Handling

Process messages efficiently to ensure coherent interactions:

  • Input Parsing: Accurately interpret user inputs.
  • Response Generation: Generate contextually relevant AI responses.

Run Creation and Monitoring

Monitor API interactions by:

  • Run Tracking: Track API call statuses and outcomes.
  • Logging: Implement detailed logging for debugging and analysis.

Multiplatform Integration : commonMain Setup

Maximize code reuse by configuring the commonMain module:

  • Shared Codebase: Place API interactions and business logic in commonMain.
class AIService(private val openAI: OpenAI) {
suspend fun generateResponse(prompt: String): ChatCompletion {
return openAI.completion(CompletionRequest(
prompt,
model = "text-davinci-003")
)
}
}
  • Dependencies: Ensure compatibility across all target platforms.

Sharing Code Between Android and iOS

Facilitate code reuse and consistency:

  • Shared Modules: Develop modules with shared business logic.
  • Platform Interfaces: Define in commonMain and implement in platform-specific modules. (Optional if CMP is not utilized in the UI/representation layer)

ProGuard/R8 Configuration

Optimize Android applications with ProGuard/R8:

  • Code Shrinking: Remove unused code to reduce app size.
  • Obfuscation: Protect the codebase by obfuscating critical sections
-keep class com.aallam.openai.** { *; }
-dontwarn com.aallam.openai.**

Troubleshooting Common Issues

Resolve integration problems effectively:

  • API Connectivity: Check internet access and API endpoint availability.
  • Authentication Errors: Verify API key correctness and permissions.
  • Dependency Conflicts: Align dependency versions and use Gradle’s resolution strategies.

Performance Optimization Techniques

Enhance AI integration performance:

  • Caching Responses: Store previous responses to minimize API calls. (save completion by prompt in memory)
val cache = mutableMapOf<String, ChatCompletion>()

suspend fun getResponse(prompt: String): ChatCompletion {
return cache[prompt] ?: run {
val response = openAI.completion(CompletionRequest(prompt))
cache[prompt] = response
response
}
}
  • Efficient Resource Management: Optimize memory and CPU usage.
  • Asynchronous Processing: Use coroutines to keep the UI responsive.

Conclusion

Utilizing the OpenAI-Kotlin SDK means putting it into action in a Kotlin multiplatform setup, making the most of its basic features, and learning more advanced topics for the best efficiency and simplicity of maintenance. The SDK, which is a community-driven project, gives you a lot of options for adding AI to your multiplatform apps. Developers for mobile devices and KMP lovers can use OpenAI’s APIs to make smart, flexible apps that give users great experiences.

And also, you can explore libraries for Python, Node.js, .NET, and more from here.

Thank you for sticking with me this long! I hope you found the explanation satisfying! That was a brief overview of “A Guide to KMP AI Integration with the OpenAI Kotlin SDK.”

Wishing you happy coding and a wonderful day ahead!

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Mehmet Burak Akgün
Mehmet Burak Akgün

Written by Mehmet Burak Akgün

Senior Android Developer at Trendyol International @Berlin

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