Developer: Speechify Inc. | Free Plan: Yes ($0/month, 50K TTS characters, 60 agent minutes) | Starting Price: $10/month (Starter plan) | Best For: Readers wanting a voice AI assistant, and developers building text-to-speech or voice agents via API

Developer: Deepgram | Free Plan: Yes ($200 free credit, then pay-as-you-go) | Starting Price: Pay As You Go (metered), Growth from $4K+/year | Best For: Developers and startups building voice features, and growing applications wanting prepaid annual credits

Developer: LOVO AI | Free Plan: Yes (free trial, 14-day Pro trial) | Starting Price: $24/month billed annually (Basic plan) | Best For: Marketers and content creators wanting voice, video, and subtitles in one workspace, and developers needing API access to LOVO's voices

Developer: Murf Inc. | Free Plan: Yes ($0/month, 10 min voice generation, evaluation only) | Starting Price: $19/month billed annually (Creator plan) | Best For: Freelancers and teams needing studio voiceovers with Canva/PowerPoint integration, and developers building voice into apps via the Murf Falcon API

Developer: Play.ht | Free Plan: Yes ($0/month, limited characters, voice cloning included) | Starting Price: $19/month (Creator plan) | Best For: Podcasters and publishers needing large-volume narration, and developers building real-time voice features via the API

Developer: ElevenLabs Inc. | Free Plan: Yes ($0/month, 10,000 credits, non-commercial) | Starting Price: $5/month billed annually (Starter plan) | Best For: Creators needing realistic voice cloning, businesses building conversational AI agents, and developers integrating voice via the API

Developer: Voicemod, S.L. | Free Plan: Yes ($0/month, limited daily voice rotation) | Starting Price: $10/month (PRO plan), also available as a one-time lifetime purchase | Best For: Streamers and gamers wanting a real-time voice changer with a soundboard, and Discord communities using custom voices during calls