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Feat/add gpt4o mini #347

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Feat/add gpt4o mini #347

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67e8d17
feat: support apple managed media source (#5)
lcsvcn May 17, 2024
d5375dd
feat: add gpt4o (#6)
lcsvcn May 17, 2024
0a877a5
add gpt-4o-mini
lcsvcn Jul 19, 2024
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10 changes: 10 additions & 0 deletions packages/@modelfusion-cost-calculator/src/openai/calculators/chat.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,14 @@ export const OPENAI_CHAT_MODEL_COSTS = {
promptTokenCostInMillicents: 0.3,
completionTokenCostInMillicents: 0.4,
},
"gpt-4o": {
promptTokenCostInMillicents: 2,
completionTokenCostInMillicents: 4,
},
"gpt-4o-mini": {
promptTokenCostInMillicents: 0.015,
completionTokenCostInMillicents: 0.06,
},
} as const;

export type OpenAIChatResponse = {
Expand All @@ -86,6 +94,8 @@ export type OpenAIChatResponse = {
type FineTuneableOpenAIChatModelType =
| `gpt-3.5-turbo`
| `gpt-3.5-turbo-0613`
| `gpt-4o`
| `gpt-4o-mini`
| `gpt-4-0613`;

type FineTunedOpenAIChatModelType =
Expand Down
17 changes: 15 additions & 2 deletions packages/modelfusion-experimental/src/browser/MediaSourceAppender.ts
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Original file line number Diff line number Diff line change
@@ -1,14 +1,27 @@
export class MediaSourceAppender {
private readonly mediaSource = new MediaSource();
private readonly mediaSource = this.getMediaSource();
private readonly audioChunks: ArrayBuffer[] = [];

private sourceBuffer?: SourceBuffer;

private getMediaSource() {
const anyWindow = (window as any).X;

if (anyWindow.ManagedMediaSource) {
return new anyWindow.ManagedMediaSource();
}
if (anyWindow.MediaSource) {
return new anyWindow.MediaSource();
}

throw "No MediaSource API available";
}

constructor(type: string) {
this.mediaSource.addEventListener("sourceopen", async () => {
this.sourceBuffer = this.mediaSource.addSourceBuffer(type);

this.sourceBuffer.addEventListener("updateend", () => {
this.sourceBuffer?.addEventListener("updateend", () => {
this.tryAppendNextChunk();
});
});
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14 changes: 12 additions & 2 deletions packages/modelfusion/src/model-provider/openai/OpenAIChatModel.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@ import { countOpenAIChatPromptTokens } from "./countOpenAIChatMessageTokens";
// Open AI base chat models and their context window sizes.
export const CHAT_MODEL_CONTEXT_WINDOW_SIZES = {
"gpt-4": 8192,
"gpt-4o": 128000,
"gpt-4o-mini": 128000,
"gpt-4-0314": 8192,
"gpt-4-0613": 8192,
"gpt-4-turbo-preview": 128000,
Expand Down Expand Up @@ -66,7 +68,13 @@ export function getOpenAIChatModelInformation(model: OpenAIChatModelType): {
const [_, baseModel, ___, ____, _____] = model.split(":");

if (
["gpt-3.5-turbo", "gpt-3.5-turbo-0613", "gpt-4-0613"].includes(baseModel)
[
"gpt-3.5-turbo",
"gpt-3.5-turbo-0613",
"gpt-4-0613",
"gpt-4o",
"gpt-4o-mini",
].includes(baseModel)
) {
const contextWindowSize =
CHAT_MODEL_CONTEXT_WINDOW_SIZES[
Expand All @@ -86,7 +94,9 @@ export function getOpenAIChatModelInformation(model: OpenAIChatModelType): {
type FineTuneableOpenAIChatModelType =
| `gpt-3.5-turbo`
| `gpt-3.5-turbo-0613`
| `gpt-4-0613`;
| `gpt-4-0613`
| `gpt-4o`
| `gpt-4o-mini`;

type FineTunedOpenAIChatModelType =
`ft:${FineTuneableOpenAIChatModelType}:${string}:${string}:${string}`;
Expand Down
2 changes: 2 additions & 0 deletions packages/modelfusion/src/model-provider/openai/TikTokenTokenizer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,8 @@ function getTiktokenBPE(
case "gpt-3.5-turbo-16k-0613":
case "gpt-3.5-turbo-instruct":
case "gpt-4":
case "gpt-4o":
case "gpt-4o-mini":
case "gpt-4-0314":
case "gpt-4-0613":
case "gpt-4-turbo-preview":
Expand Down
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