Cheapest Audio/TTS API (2026)

50 models ranked by lowest price across 70+ providers · Updated daily

Prices updated:

As of : Real-time ranking of the cheapest Audio/TTS APIs, sourced from ComputeUnion's automated daily scrapes across 70+ providers. TTS prices are per 1M characters; ASR prices are per minute. Converted to reference units for comparison.
LLMImage GenAudio/TTSEmbedding
#ModelCheapest ProviderPrice / 1M chars
1Melotts (CF)Cloudflare Workers AIrelay$0.000200
2suno_lyricsRunAPIrelay$0.000414
3Whisper (CF)Cloudflare Workers AIrelay$0.000500
4Whisper Large V3 Turbo (CF)Cloudflare Workers AIrelay$0.000500
5Whisper Large v3Together AIrelay$0.001500
6Text to Speech302.AIrelay$0.002000
7Podcast Audio302.AIrelay$0.002500
8Universal-2AssemblyAI$0.002500
9Universal-Streaming EnglishAssemblyAI$0.002500
10Universal-Streaming MultilingualAssemblyAI$0.002500
11Universal-3.5 ProAssemblyAI$0.003500
12Whisper Large v3 (Streaming)Together AIrelay$0.003500
13Nova-2Deepgram$0.004300
14Nova-3Deepgram$0.004300
15Whisper LargeDeepgram$0.004800
16Gemini 2.5 Flash TTSGoogle AI$0.005000
17Nova 3 (CF)Cloudflare Workers AIrelay$0.005200
18Whisper 1OpenAI$0.006000
19suno_uploadsYunWu AIrelay$0.006828
20Universal-3.5 Pro StreamingAssemblyAI$0.007500
21Flux (websocket) (CF)Cloudflare Workers AIrelay$0.007700
22Speech 2.8 TurboMiniMax$0.008000
23gpt-4o-mini-audio-previewRunAPIrelay$0.008276
24Nova 3 (websocket) (CF)Cloudflare Workers AIrelay$0.009200
25Kling AudioKling AI$0.010000
26audio1.0YunWu AIrelay$0.010924
27speech-02-hdYunWu AIrelay$0.010924
28speech-02-turboYunWu AIrelay$0.010924
29speech-2.6-hdYunWu AIrelay$0.010924
30speech-2.6-turboYunWu AIrelay$0.010924
31speech-2.8-hdYunWu AIrelay$0.010924
32speech-2.8-turboYunWu AIrelay$0.010924
33suno_musicRunAPIrelay$0.011034
34BaseDeepgram$0.012500
35Speech 2.8 HDMiniMax$0.014000
36EnhancedDeepgram$0.014500
37Nova-2 MedicalDeepgram$0.014800
38Aura 1 (CF)Cloudflare Workers AIrelay$0.015000
39Aura-2Deepgram$0.015000
40Aura AsteriaDeepgram$0.015000
41Aura LunaDeepgram$0.015000
42Aura StellaDeepgram$0.015000
43TTS-1OpenAI$0.015000
44suno_concat_openYunWu AIrelay$0.018207
45suno_lyrics_openYunWu AIrelay$0.018207
46suno_music_openYunWu AIrelay$0.018207
47suno_persona_openYunWu AIrelay$0.018207
48suno_upload_openYunWu AIrelay$0.018207
49suno_upsample_openYunWu AIrelay$0.018207
50suno_upsample-tagsYunWu AIrelay$0.018207

FAQ

What is the cheapest Audio/TTS API right now?
The lowest current price is Melotts (CF) from Cloudflare Workers AI at $0.000200 / 1M chars. Prices update daily.
Why do Audio/TTS API prices vary so much?
Price differences come from: 1) relay stations typically offer 20–80% discounts vs official providers; 2) capability differences between models; 3) some platforms have volume tiers. Choose based on your actual quality requirements and budget.
How reliable is this pricing data?
Live-scraped prices come directly from provider APIs and update on a six-hour schedule. For large purchases, always verify the final price on the provider's official site.

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