---
title: "Discussion on \"Vercel AI Gateway's 18 September 2026 audio cliff: TTS bills per UTF-8 byte, not per character\" | Hashnode"
description: "Discussion on \"Vercel AI Gateway's 18 September 2026 audio cliff: TTS bills per UTF-8 byte, not per character\". Vercel AI Gateway's 18 September 2026 audio cliff: TTS bills per UTF-8 byte, not per character\nSummary. Vercel put every Fish Audio model on AI Gateway free for 30 days on 19 August 2026, and its chan"
url: "https://hashnode.com/posts/vercel-ai-gateways-18-september-2026-audio-cliff-tts-bills-per-utf-8-byte-not-per-character/6a86d06af7c871b82ee946ca"
---

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# [Vercel AI Gateway's 18 September 2026 audio cliff: TTS bills per UTF-8 byte, not per character](https://ecorpit.hashnode.dev/vercel-ai-gateways-18-september-2026-audio-cliff-tts-bills-per-utf-8-byte-not-per-character?utm_source=hashnode&utm_medium=feed)

Vercel AI Gateway's 18 September 2026 audio cliff: TTS bills per UTF-8 byte, not per character Summary. Vercel put every Fish Audio model on AI Gateway free for 30 days on 19 August 2026, and its chan

Aug 20 · 14 min read · ecorpit.hashnode.dev  
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-   [#vercel](https://hashnode.com/tag/vercel)
-   [#ai-gateway](https://hashnode.com/tag/ai-gateway)
-   [#text-to-speech](https://hashnode.com/tag/text-to-speech)
-   [#ai-cost](https://hashnode.com/tag/ai-cost)

## Written by

[Manu Shukla](https://hashnode.com/@mr-manushukla)

@mr-manushukla · Delhi, India

  
[View profile](https://hashnode.com/@mr-manushukla)

Founder and Director of eCorpIT

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