Closes #2636 - Adds experimental.OpenAIModel

Author: sadasant

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ## [Unreleased]
 
+### Added
+
+- Adds a `gitlens.experimental.openAIModel` setting to specify the OpenAI model to use to generate commit messages when using the `GitLens: Generate Commit Message` command (defaults to `gpt-3.5-turbo`) — closes [#2636](https://github.com/gitkraken/vscode-gitlens/issues/2636) thanks to [PR #2637](https://github.com/gitkraken/vscode-gitlens/pull/2637) by Daniel Rodríguez ([@sadasant](https://github.com/sadasant))
+
 ## [13.6.0] - 2023-05-11
 
 ### Added

package.json

@@ -3667,6 +3667,13 @@
 						"scope": "window",
 						"order": 55
 					},
+					"gitlens.experimental.openAIModel": {
+						"type": "string",
+						"default": "gpt-3.5-turbo",
+						"markdownDescription": "Specifies the OpenAI model to use to generate commit messages when using the `GitLens: Generate Commit Message` command",
+						"scope": "window",
+						"order": 56
+					},
 					"gitlens.advanced.externalDiffTool": {
 						"type": [
 							"string",

src/ai/openaiProvider.ts

@@ -12,12 +12,15 @@ const maxCodeCharacters = 12000;
 export class OpenAIProvider implements AIProvider {
 	readonly id = 'openai';
 	readonly name = 'OpenAI';
+	private model: OpenAIChatCompletionModels = 'gpt-3.5-turbo';
 
 	constructor(private readonly container: Container) {}
 
 	dispose() {}
 
 	async generateCommitMessage(diff: string, options?: { context?: string }): Promise<string | undefined> {
+		this.model = configuration.get('experimental.openAIModel') || 'gpt-3.5-turbo';
+
 		const openaiApiKey = await getApiKey(this.container.storage);
 		if (openaiApiKey == null) return undefined;
 
@@ -34,7 +37,7 @@ export class OpenAIProvider implements AIProvider {
 		}
 
 		const data: OpenAIChatCompletionRequest = {
-			model: 'gpt-3.5-turbo',
+			model: this.model,
 			messages: [
 				{
 					role: 'system',
@@ -79,6 +82,8 @@ export class OpenAIProvider implements AIProvider {
 	}
 
 	async explainChanges(message: string, diff: string): Promise<string | undefined> {
+		this.model = configuration.get('experimental.openAIModel') || 'gpt-3.5-turbo';
+
 		const openaiApiKey = await getApiKey(this.container.storage);
 		if (openaiApiKey == null) return undefined;
 
@@ -90,7 +95,7 @@ export class OpenAIProvider implements AIProvider {
 		}
 
 		const data: OpenAIChatCompletionRequest = {
-			model: 'gpt-3.5-turbo',
+			model: this.model,
 			messages: [
 				{
 					role: 'system',
@@ -195,8 +200,10 @@ async function getApiKey(storage: Storage): Promise<string | undefined> {
 	return openaiApiKey;
 }
 
+export type OpenAIChatCompletionModels = 'gpt-3.5-turbo' | 'gpt-3.5-turbo-0301' | 'gpt-4' | 'gpt-4-0314' | 'gpt-4-32k' | 'gpt-4-32k-0314';
+
 interface OpenAIChatCompletionRequest {
-	model: 'gpt-3.5-turbo' | 'gpt-3.5-turbo-0301';
+	model: OpenAIChatCompletionModels;
 	messages: { role: 'system' | 'user' | 'assistant'; content: string }[];
 	temperature?: number;
 	top_p?: number;

src/config.ts

@@ -49,6 +49,7 @@ export interface Config {
 	detectNestedRepositories: boolean;
 	experimental: {
 		generateCommitMessagePrompt: string;
+		openAIModel?: 'gpt-3.5-turbo' | 'gpt-3.5-turbo-0301' | 'gpt-4' | 'gpt-4-0314' | 'gpt-4-32k' | 'gpt-4-32k-0314';
 	};
 	fileAnnotations: {
 		command: string | null;