This is an unofficial Java client library that helps to connect your Java applications with OpenAI API.
- Detailed javadocs
- The rest of API endpoints
- Tell us what you need
Maven:
<dependency> <groupId>dev.ai4j</groupId> <artifactId>openai4j</artifactId> <version>0.12.3</version> </dependency> Gradle:
implementation 'dev.ai4j:openai4j:0.12.3' Simple way:
String apiKey = System.getenv("OPENAI_API_KEY"); OpenAiClient client = OpenAiClient.builder() .openAiApiKey(apiKey) .build(); Customizable way:
String apiKey = System.getenv("OPENAI_API_KEY"); OpenAiClient client = OpenAiClient.builder()	.openAiApiKey(apiKey)	.organizationId(orgId)	.callTimeout(ofSeconds(60))	.connectTimeout(ofSeconds(60))	.readTimeout(ofSeconds(60))	.writeTimeout(ofSeconds(60))	.proxy(HTTP, "XXX.XXX.XXX.XXX", 8080)	.logRequests()	.logResponses()	// other customizations coming soon!	.build(); Simple way:
String completion = client.completion("Write a poem about ChatGPT").execute(); Customizable way:
CompletionRequest request = CompletionRequest.builder()	.model(TEXT_DAVINCI_003)	.prompt("Write a poem about ChatGPT")	.temperature(0.9)	...	.build(); CompletionResponse response = client.completion(request).execute(); Simple way:
client.completion("Write a poem about ChatGPT")	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Customizable way:
CompletionRequest request = CompletionRequest.builder()	.model(TEXT_DAVINCI_003)	.prompt("Write a poem about ChatGPT")	.temperature(0.9)	...	.build(); client.completion(request)	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Simple way:
client.completion("Write a poem about ChatGPT")	.onPartialResponse(partialResponse -> ...)	.onComplete(() -> ...)	.onError(error -> ...)	.execute(); Customizable way:
CompletionRequest request = CompletionRequest.builder()	.model(TEXT_DAVINCI_003)	.prompt("Write a poem about ChatGPT")	.temperature(0.9)	...	.build(); client.completion(request)	.onPartialResponse(partialResponse -> ...)	.onComplete(() -> ...)	.onError(error -> ...)	.execute(); Simple way:
String completion = client.chatCompletion("Write a poem about ChatGPT").execute(); Customizable way:
ChatCompletionRequest request = ChatCompletionRequest.builder()	.model(GPT_3_5_TURBO)	.addSystemMessage("You are a helpful assistant")	.addUserMessage("Write a poem about ChatGPT")	.temperature(0.9)	...	.build(); ChatCompletionResponse response = client.chatCompletions(request).execute(); Simple way:
client.chatCompletion("Write a poem about ChatGPT")	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Customizable way:
ChatCompletionRequest request = ChatCompletionRequest.builder()	.model(GPT_3_5_TURBO)	.addSystemMessage("You are a helpful assistant")	.addUserMessage("Write a poem about ChatGPT")	.temperature(0.9)	...	.build(); client.chatCompletion(request)	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Simple way:
client.chatCompletion("Write a poem about ChatGPT")	.onPartialResponse(partialResponse -> ...)	.onComplete(() -> ...)	.onError(error -> ...)	.execute(); Customizable way:
ChatCompletionRequest request = ChatCompletionRequest.builder()	.model(GPT_3_5_TURBO)	.addSystemMessage("You are a helpful assistant")	.addUserMessage("Write a poem about ChatGPT")	.temperature(0.9)	...	.build(); client.chatCompletion(request)	.onPartialResponse(partialResponse -> ...)	.onComplete(() -> ...)	.onError(error -> ...)	.execute(); Simple way:
List<Float> embedding = client.embedding("Write a poem about ChatGPT").execute(); Customizable way:
EmbeddingRequest request = EmbeddingRequest.builder()	.model(TEXT_EMBEDDING_ADA_002)	.input("Write a poem about ChatGPT", "Write a haiku about ChatGPT")	...	.build(); EmbeddingResponse embedding = client.embedding(request).execute(); Simple way:
client.embedding("Write a poem about ChatGPT")	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Customizable way:
EmbeddingRequest request = EmbeddingRequest.builder()	.model(TEXT_EMBEDDING_ADA_002)	.input("Write a poem about ChatGPT", "Write a haiku about ChatGPT")	...	.build(); client.embedding(request)	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Simple way:
ModerationResult moderationResult = client.moderation("Write a poem about ChatGPT").execute(); Customizable way:
ModerationRequest request = ModerationRequest.builder()	.input(INPUT)	.model(TEXT_MODERATION_STABLE)	.build(); ModerationResponse response = client.moderation(request).execute(); Simple way:
client.moderation("Write a poem about ChatGPT")	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Customizable way:
ModerationRequest request = ModerationRequest.builder()	.input(INPUT)	.model(TEXT_MODERATION_STABLE)	.build(); client.moderation(request)	.onResponse(response -> ...)	.onError(error -> ...)	.execute(); Simple way:
 OpenAiClient client = OpenAiClient .builder() .openAiApiKey(System.getenv("OPENAI_API_KEY")) .build(); ImageRequest request = ImageRequest .builder() .prompt("Beautiful house on country side") .build(); ImageResponse response = client.imagesGenerations(request).execute(); // remote image generated with model DALL·E 3 and resolution 1024x1024 String remoteImage = response.data().get(0).url(); Customizable way:
 OpenAiClient client = OpenAiClient .builder() .openAiApiKey(System.getenv("OPENAI_API_KEY")) .logRequests() .logResponses() .withPersisting() .build(); ImageRequest request = ImageRequest .builder() .model(DALL_E_3) .size(DALL_E_SIZE_1792_x_1024) .quality(DALL_E_QUALITY_HD) .responseFormat(DALL_E_RESPONSE_FORMAT_B64_JSON) // if you like to get the image within the response body .prompt("Cute red parrot flying in the sky") .build(); ImageResponse response = client.imagesGenerations(request).execute(); // your generated image is here locally: String localImage = response.data().get(0).url(); - How to get best results form AI: https://www.deeplearning.ai/short-courses/chatgpt-prompt-engineering-for-developers/
- Text version of above course: https://platform.openai.com/docs/guides/gpt-best-practices
- How to build software powered by OpenAI/ChatGPT: https://www.deeplearning.ai/short-courses/building-systems-with-chatgpt/
- Cookbook with examples of how to use OpenAI API: https://github.com/openai/openai-cookbook
- ChatGPT DALL-E 3: Complete Guide (Generate Images with Text) https://www.akkio.com/post/chatgpt-dall-e-3