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Update ChatGPT model to accept ChatModel & use 4.1-mini for questions #1376

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Merged
tj-wazei merged 5 commits into from
Jan 10, 2026
Merged

Update ChatGPT model to accept ChatModel & use 4.1-mini for questions #1376

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fe1cae9
Update ChatGPT model to GPT_5_MINI
surajkumar Jan 8, 2026
10cc87f
feat: add a chat model parameter to allow choice between models (spee…
surajkumar Jan 8, 2026
0763cbe
feat: create an enum to house the AI models
surajkumar Jan 8, 2026
2dfbb0f
update AI response footer to include model
surajkumar Jan 8, 2026
3c086d3
docs: add java docs
surajkumar Jan 8, 2026
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5 changes: 3 additions & 2 deletions application/src/main/java/org/togetherjava/tjbot/features/chatgpt/ChatGptCommand.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import com.github.benmanes.caffeine.cache.Cache;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.openai.models.ChatModel;
import net.dv8tion.jda.api.entities.MessageEmbed;
import net.dv8tion.jda.api.entities.SelfUser;
import net.dv8tion.jda.api.events.interaction.ModalInteractionEvent;
Expand Down Expand Up @@ -82,8 +83,8 @@ public void onModalSubmitted(ModalInteractionEvent event, List<String> args) {

String question = event.getValue(QUESTION_INPUT).getAsString();

Optional<String> chatgptResponse =
chatGptService.ask(question, "You may use markdown syntax for the response");
Optional<String> chatgptResponse = chatGptService.ask(question,
"You may use markdown syntax for the response", ChatModel.GPT_5_MINI);
if (chatgptResponse.isPresent()) {
userIdToAskedAtCache.put(event.getMember().getId(), Instant.now());
}
Expand Down
5 changes: 3 additions & 2 deletions application/src/main/java/org/togetherjava/tjbot/features/chatgpt/ChatGptService.java
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Expand Up @@ -51,11 +51,12 @@ public ChatGptService(Config config) {
* @param question The question being asked of ChatGPT. Max is {@value MAX_TOKENS} tokens.
* @param context The category of asked question, to set the context(eg. Java, Database, Other
* etc).
* @param chatModel The AI model to use for this request.
* @return response from ChatGPT as a String.
* @see <a href="https://platform.openai.com/docs/guides/chat/managing-tokens">ChatGPT
* Tokens</a>.
*/
public Optional<String> ask(String question, @Nullable String context) {
public Optional<String> ask(String question, @Nullable String context, ChatModel chatModel) {
if (isDisabled) {
return Optional.empty();
}
Expand All @@ -76,7 +77,7 @@ public Optional<String> ask(String question, @Nullable String context) {
String response = null;
try {
ResponseCreateParams params = ResponseCreateParams.builder()
.model(ChatModel.GPT_5_NANO)
.model(chatModel)
.input(inputPrompt)
.maxOutputTokens(MAX_TOKENS)
.build();
Expand Down
3 changes: 2 additions & 1 deletion application/src/main/java/org/togetherjava/tjbot/features/help/HelpSystemHelper.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package org.togetherjava.tjbot.features.help;

import com.openai.models.ChatModel;
import net.dv8tion.jda.api.EmbedBuilder;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.entities.Member;
Expand Down Expand Up @@ -143,7 +144,7 @@ RestAction<Message> constructChatGptAttempt(ThreadChannel threadChannel,
String context =
"Category %s on a Java Q&A discord server. You may use markdown syntax for the response"
.formatted(matchingTag.getName());
chatGptAnswer = chatGptService.ask(question, context);
chatGptAnswer = chatGptService.ask(question, context, ChatModel.GPT_3_5_TURBO);

if (chatGptAnswer.isEmpty()) {
return useChatGptFallbackMessage(threadChannel);
Expand Down
4 changes: 3 additions & 1 deletion ...ion/src/main/java/org/togetherjava/tjbot/features/moderation/TransferQuestionCommand.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package org.togetherjava.tjbot.features.moderation;

import com.openai.models.ChatModel;
import net.dv8tion.jda.api.EmbedBuilder;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.entities.Guild;
Expand Down Expand Up @@ -98,7 +99,8 @@ public void onMessageContext(MessageContextInteractionEvent event) {
String chatGptTitleRequest =
"Summarize the following question into a concise title or heading not more than 5 words, remove quotations if any: %s"
.formatted(originalMessage);
Optional<String> chatGptTitle = chatGptService.ask(chatGptTitleRequest, null);
Optional<String> chatGptTitle =
chatGptService.ask(chatGptTitleRequest, null, ChatModel.GPT_3_5_TURBO);
String title = chatGptTitle.orElse(createTitle(originalMessage));
if (title.startsWith("\"") && title.endsWith("\"")) {
title = title.substring(1, title.length() - 1);
Expand Down
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