hail.soCOSTS
● HAIL.SO / DISPATCH · 2026-07-02 · COMPARE
FILE: COMPARE · 3 of 6 slots

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STTTTS
02

Speech to text

2 models
Microsoft Azure
Azure Speech (Batch)
×
AssemblyAI
Universal-Streaming
×
$/min$0.006000$0.002500
$/min batch——
Streaming—✓
Realtime—✓
Languages100+en
Diarizationincludedextra-cost
TTFW——
Verified2026-05-19stale 44d2026-07-02
Sourceprovider page ↗provider page ↗
03

Text to speech

1 model
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$19.50
Voice qualityneural
Voice cloning—
Voice count—
Languagesen, hi
SSML support—
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-02
Sourceprovider page ↗

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LLMs
+Anthropic Claude Opus 4.7+Anthropic Claude Sonnet 4.6+Anthropic Claude Fable 5+Anthropic Claude Opus 4.8+Anthropic Claude Sonnet 5+OpenAI GPT-5+Google Gemini 2.5 Pro+DeepSeek DeepSeek V4 Flash+DeepSeek DeepSeek V4 Pro+DeepSeek DeepSeek V3+DeepSeek DeepSeek R1+Anthropic Claude Haiku 4.5+Anthropic Claude Sonnet 4.5+Anthropic Claude Opus 4.5+Anthropic Claude Sonnet 3.7+Anthropic Claude Haiku 3.5+OpenAI GPT-5 mini+OpenAI GPT-5 nano+OpenAI GPT-4.1+OpenAI GPT-4o+OpenAI GPT-4o mini+OpenAI OpenAI o3+OpenAI OpenAI o4-mini+OpenAI OpenAI o1+OpenAI GPT-5.5+OpenAI GPT-5.4+OpenAI GPT-5.4 mini+OpenAI GPT-5.4 nano+Google Gemini 2.5 Flash+Google Gemini 2.5 Flash-Lite+Google Gemini 2.0 Flash+Google Gemini 3.5 Flash+Google Gemini 3.1 Pro Preview+Google Gemini 3 Flash Preview+Google Gemini 3.1 Flash-Lite+Meta Llama 4 Maverick+Meta Llama 4 Scout+Meta Llama 3.3 70B Instruct+Mistral Mistral Large 2 (24.11)+Mistral Mistral Medium 3+Mistral Mistral Small 3+Mistral Codestral 25.08+Mistral Pixtral Large+Mistral Mistral Large 3+Mistral Mistral Medium 3.5+Mistral Mistral Small 4+Mistral Ministral 3 3B+Mistral Ministral 3 8B+Mistral Ministral 3 14B+Cohere Command A+Cohere Command R++Cohere Aya Expanse 32B+xAI Grok 4+xAI Grok 3+xAI Grok Code Fast 1+xAI Grok 4.3+Alibaba Qwen3-Max+Alibaba Qwen3-Coder-Plus+Alibaba Qwen3.7-Max+Perplexity Sonar+Perplexity Sonar Pro+Perplexity Sonar Reasoning Pro
Speech-to-Text
+Deepgram Nova-3 Monolingual+Deepgram Nova-3 Multilingual+Deepgram Nova-3 Medical+Deepgram Flux (English)+Deepgram Flux (Multilingual)+AssemblyAI Universal-2+AssemblyAI Universal-Streaming English+AssemblyAI Universal-3.5 Pro+AssemblyAI Universal-3 Pro Streaming+AssemblyAI Universal-Streaming Multilingual+AssemblyAI Whisper-Streaming+Cartesia Ink Whisper+Cartesia Ink 2+OpenAI Whisper+Groq Whisper V3 Large (Groq)+Groq Whisper Large v3 Turbo (Groq)+Microsoft Azure Azure Speech (Real-time)+Google Chirp 2+Google Chirp 3+Speechmatics Speechmatics Enhanced+Speechmatics Speechmatics Melia 1+Rev.ai Rev.ai Whisper Fusion+Rev.ai Rev.ai Reverb+Gladia Gladia Solaria-1+Gladia Gladia Solaria-3+Soniox Soniox STT Real-time v4+Soniox Soniox STT Real-time v5+Soniox Soniox STT Async v4+Soniox Soniox STT Async v5
Text-to-Speech
+ElevenLabs Eleven Flash v2.5+ElevenLabs Eleven Multilingual v2+ElevenLabs Eleven v3+ElevenLabs Eleven Turbo v2.5+ElevenLabs Eleven Flash v2+OpenAI TTS-1+OpenAI TTS-1 HD+OpenAI GPT-4o mini TTS+Cartesia Sonic 3.5+Cartesia Sonic 3+Cartesia Sonic 2+Cartesia Sonic Turbo+Groq Canopy Labs Orpheus English (Groq)+Groq Canopy Labs Orpheus Arabic Saudi (Groq)+Google Google Cloud TTS — Studio+Google Google Cloud TTS — Neural2+Google Google Cloud TTS — WaveNet+Google Google Cloud TTS — Chirp 3: HD+Microsoft Azure Azure AI Speech — Neural+Microsoft Azure Azure AI Speech — Neural HD (DragonHD)+Inworld Inworld Realtime TTS-2+Inworld Inworld Realtime TTS 1.5 Max+Inworld Inworld Realtime TTS 1.5 Mini+Smallest.ai Lightning v3.1+Rime Rime Mist v3+LMNT LMNT Blizzard+Deepgram Deepgram Aura 2+Resemble AI Resemble Chatterbox Turbo