Add Smallest AI (Pulse) to the leaderboard

.env.example

@@ -13,3 +13,4 @@ ASSEMBLYAI_API_KEY=""
 ELEVENLABS_API_KEY=""
 SPEECHMATICS_API_KEY=""
 MISTRAL_API_KEY=""
+SMALLEST_API_KEY=""

prisma/seed.ts

@@ -13,6 +13,7 @@ const providers = [
   { name: "AssemblyAI", slug: "assemblyai", logoUrl: "/providers/assemblyai.svg" },
   { name: "Speechmatics", slug: "speechmatics", logoUrl: "/providers/speechmatics.svg" },
   { name: "Mistral", slug: "mistral", logoUrl: "/providers/mistral.svg" },
+  { name: "Smallest AI", slug: "smallest", logoUrl: "/providers/smallest.svg" },
 ];
 
 const removedSlugs = ["soniox", "openai-whisper"];

src/lib/providers.ts

@@ -13,6 +13,7 @@ export const PROVIDERS: ProviderDef[] = [
   { name: "AssemblyAI", slug: "assemblyai", logoUrl: "/providers/assemblyai.svg", color: "#0055FF", model: "Universal-3 Pro" },
   { name: "Speechmatics", slug: "speechmatics", logoUrl: "/providers/speechmatics.svg", color: "#FF3D00", model: "Enhanced" },
   { name: "Mistral", slug: "mistral", logoUrl: "/providers/mistral.svg", color: "#FF7000", model: "Voxtral Mini" },
+  { name: "Smallest AI", slug: "smallest", logoUrl: "/providers/smallest.svg", color: "#1D4E52", model: "Pulse" },
 ];
 
 export function getProviderBySlug(slug: string): ProviderDef | undefined {

src/lib/providers/smallest.ts

@@ -0,0 +1,60 @@
+import type { TranscribeResult, WordTimestamp } from "../transcribe";
+
+const SMALLEST_BASE = "https://api.smallest.ai/waves/v1/stt";
+
+interface SmallestWord {
+  word: string;
+  start: number;
+  end: number;
+  confidence?: number;
+}
+
+interface SmallestResponse {
+  status: string;
+  transcription?: string;
+  words?: SmallestWord[];
+}
+
+export async function transcribeWithSmallest(
+  audio: Buffer,
+  _mimeType: string
+): Promise<TranscribeResult> {
+  const apiKey = process.env.SMALLEST_API_KEY;
+  if (!apiKey) throw new Error("SMALLEST_API_KEY not set");
+
+  const start = Date.now();
+
+  const url = new URL(SMALLEST_BASE);
+  url.searchParams.set("model", "pulse");
+  url.searchParams.set("word_timestamps", "true");
+
+  const response = await fetch(url.toString(), {
+    method: "POST",
+    headers: {
+      Authorization: `Bearer ${apiKey}`,
+      "Content-Type": "application/octet-stream",
+    },
+    body: audio,
+  });
+
+  if (!response.ok) {
+    const body = await response.text();
+    throw new Error(`HTTP ${response.status}: Smallest AI request failed: ${body}`);
+  }
+
+  const data: SmallestResponse = await response.json();
+
+  const words: WordTimestamp[] = (data.words || []).map((w) => ({
+    word: w.word,
+    start: w.start,
+    end: w.end,
+  }));
+
+  const durationMs = Date.now() - start;
+
+  return {
+    transcript: data.transcription ?? "",
+    words,
+    durationMs,
+  };
+}

src/lib/transcribe.ts

@@ -5,6 +5,7 @@ import { transcribeWithAssemblyAI } from "./providers/assemblyai";
 import { transcribeWithElevenLabs } from "./providers/elevenlabs";
 import { transcribeWithSpeechmatics } from "./providers/speechmatics";
 import { transcribeWithMistral } from "./providers/mistral";
+import { transcribeWithSmallest } from "./providers/smallest";
 
 export interface WordTimestamp {
   word: string;
@@ -28,6 +29,7 @@ const PROVIDER_MAP: Record<string, TranscribeFn | undefined> = {
   elevenlabs: transcribeWithElevenLabs,
   speechmatics: transcribeWithSpeechmatics,
   mistral: transcribeWithMistral,
+  smallest: transcribeWithSmallest,
 };
 
 const MAX_RETRIES = 2;
@@ -151,6 +153,7 @@ function sanitizeError(message: string, slug: string): string {
     elevenlabs: "ElevenLabs",
     speechmatics: "Speechmatics",
     mistral: "Mistral",
+    smallest: "Smallest AI",
   };
 
   const name = providerNames[slug] || slug;