Azure HD 2.5

$ how it compares

Scored text-to-speech models released closest to Azure HD 2.5, out of 148 with a score, then more from Microsoft.

#	model	score	where	RAM	released
4	Voxtral TTS (4B) Mistral	71±4	api $16.00/M chars +local	~10GB	2026-03
16	LongCat-AudioDiT-3.5B Meituan	66±2	local	~15GB	2026-03
17	LongCat-AudioDiT-1B Meituan	66±4	local	~5.7GB	2026-03
18	OmniVoice k2-fsa (Xiaomi)	66±2	local	~3.3GB	2026-03
37	Fish Audio S2 Pro Fish Audio	63±1	api $15.00/M chars +local	~11GB	2026-03
	more from Microsoft
70	VibeVoice 1.5B Microsoft	53±6	local	~5.4GB	2025-08
81	Azure Ameha Neural Microsoft	50±16	comparison only		2021-10
82	Azure Mekdes Neural Microsoft	50±16	comparison only		2021-10

see all text-to-speech models · find the ones that fit your machine

$ where to run it

Through an API

api · Microsoft Azure · $22.00/M chars · azure.microsoft.com ↗ · price sourceUSD per 1M characters, Azure Speech Neural HD voices (real-time and batch), standard pay-as-you-go, US East. Azure release notes identify Neural HD 2.5 as the Latest-in-Production HD model. Product: Azure AI Speech text to speech. API model: Neural HD (DragonHD) voices. Settings: S0 pay-as-you-go, region=us-east. Price basis: published list rate (price embedded in the official page's regional price data). Exclusions: free tier, commitment tiers, HD Flash ($15/1M), custom voice. Currency: USD. Microsoft Azure official pricing page, observed 2026-09-25.