Best alternative to deepgram for conversational ai?

Still kudos to openai for speech recognition and transcription workflows, but lately i'vebeen comparing other platforms that focuses more on ai voice generation, not that i wanted to shift but i wanted options, elevenlabs and cartesia seems strong for realism and low latency, viitor ai stood out with its real-time conversational speech and multiliingual voice generation. though im still curious for those who builds ai agents or just simply looking into voice assistants, what tools went pretty well on your s