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Fish Audio: Drama 3 vs HeyGen: HeyGen Voice

A side-by-side comparison of Fish Audio: Drama 3 ($7.00 / 1M characters) and HeyGen: HeyGen Voice ($52.50 / 1M characters) using current USD prices and capabilities from the api14 catalog. Both run through the same OpenAI-compatible API.

Specifications

Fish Audio: Drama 3HeyGen: HeyGen Voice
ProviderFish AudioHeyGen
Characters$7.00 / 1M characters$52.50 / 1M characters
Context window--
Max output--
Inputtexttext
Outputspeechspeech
Tool calling
Structured output
Reasoning control
AddedOct 13, 2026Oct 13, 2026

Key differences

  • Fish Audio: Drama 3 is 87% cheaper on input tokens.

Switch with one string

Both models use the same endpoint and request shape. Change the model value from "fish-audio/drama-3" to "heygen/heygen-voice-1" and prompts, streaming and tools keep working.

Fish Audio: Drama 3 details & playground →HeyGen: HeyGen Voice details & playground →
import { writeFile } from "node:fs/promises";
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api14.com/api/v1",
  apiKey: process.env.API14_API_KEY,
});

const audio = await client.audio.speech.create({
  "model": "heygen/heygen-voice-1",
  "input": "Hello from api14! One API for every model.",
  "voice": "alloy",
  "response_format": "mp3"
});
await writeFile("speech.mp3", Buffer.from(await audio.arrayBuffer()));

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