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AI model and API providers
Best AI for model apis · speech apis · search apis
Most upvoted of all time
- OpenRouter
One API and chat room for hundreds of models from every major provider
DeepgramFast, accurate speech-to-text and voice APIs for real-time apps and call centers
AssemblyAISpeech-to-text API with speaker labels, summaries and audio intelligence
ExaSearch engine and API built for AI apps and agents rather than people
- Tavily
Web search and extraction API built for AI agents and LLM apps
CartesiaUltra-low-latency text-to-speech and voice cloning built for real-time voice agents
OpenAI Realtime APISpeech-to-speech API for building low-latency voice assistants
Amazon PollyCloud text-to-speech API with neural and generative voices in many languages
Azure AI SpeechMicrosoft's cloud speech service for transcription, neural TTS, translation and custom voices
BrowserbaseCloud headless browsers built for running AI web agents at scale
GladiaReal-time multilingual transcription API with code-switching support
Google Cloud Text-to-SpeechGoogle's speech synthesis API, including steerable Gemini TTS voices
Inworld TTSHigh-ranking, low-cost text-to-speech models for apps, games and agents
LMNTLow-latency streaming text-to-speech and voice cloning API for developers
OpenAI Text-to-SpeechSteerable TTS models you can prompt for tone and delivery via the OpenAI API
- Parallel
Web search and deep-research APIs designed for AI agents
RimeFast, natural speech synthesis models aimed at enterprise voice applications
- Soniox
Speech-to-text API with real-time multilingual transcription and translation
SpeechmaticsSpeech recognition API known for handling accents and many languages
- Ultravox
Speech-native model and platform for building real-time voice agents
Unreal SpeechBudget-friendly text-to-speech API for high-volume narration