Cresta: Enterprise contact-center AI platform combining real-time agent assist, autonomous AI agents, and conversation intelligence. WhisperLiveKit: Open-source, self-hosted real-time speech-to-text and speaker diarization toolkit with a FastAPI server and web interface, suitable for meeting transcription. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Cresta when assisting contact-center agents in real time during customer conversations matters most, and WhisperLiveKit when building privacy-first transcription into custom applications via compatible apis matters most. Try them side by side on real calls before deciding — needs vary by team.
Enterprise contact-center AI platform combining real-time agent assist, autonomous AI agents, and conversation intelligence.
Open-source, self-hosted real-time speech-to-text and speaker diarization toolkit with a FastAPI server and web interface, suitable for meeting transcription.
Cresta is an enterprise customer-experience AI platform that unifies human and AI agents across voice and digital channels. It captures conversations through integrations with major contact-center systems such as Genesys, NICE, Salesforce, Twilio, and Amazon Connect, then analyzes those interactions at scale to surface behavioral insights and deliver real-time guidance. Its Agent Assist listens to live conversations and provides agents with in-the-moment suggestions, knowledge, and next-best actions, while a Knowledge Agent proactively surfaces context-aware answers without manual prompting. Cresta's conversation intelligence analyzes 100% of interactions to identify the behaviors that drive outcomes, and its automated quality management scores conversations across the board so supervisors gain visibility without manual sampling. The platform also offers autonomous AI agents that can resolve customer conversations end to end, plus an Agent Operations Center that gives supervisors real-time visibility and intervention tools across both human and AI-led conversations. Cresta is built for large enterprise contact centers in industries such as financial services, travel and hospitality, telecommunications, insurance, and healthcare that need real-time assistance, coaching, and analytics at scale. Pricing varies by plan. Check the official website for current pricing.
Best suited for
WhisperLiveKit is an open-source, self-hosted toolkit for ultra-low-latency real-time speech-to-text and speaker diarization. Rather than naively running Whisper on each audio chunk, it uses state-of-the-art simultaneous-speech research for intelligent buffering and incremental processing, which preserves transcription quality while streaming results with minimal latency. The project ships a complete backend built on FastAPI with WebSocket support, an OpenAI-compatible REST API, a Deepgram-compatible WebSocket protocol, and a simple, customizable HTML and JavaScript web interface that captures microphone audio and streams it to the server. It supports multiple ASR backends including Whisper variants, Voxtral, and Qwen3-ASR, covers 200+ languages with translation, and includes real-time speaker diarization and voice activity detection to reduce processing overhead. It can handle multiple concurrent users on a single backend and is distributed via PyPI with Docker images for both GPU and CPU. Licensed under Apache 2.0 and actively maintained into 2026, the project explicitly lists meeting transcription, accessibility tooling, and podcast or call transcription with speaker identification among its intended use cases, making it a practical building block for private, on-premise meeting transcription pipelines. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Cresta is a free tier with paid upgrades (freemium); WhisperLiveKit is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Cresta | WhisperLiveKit |
|---|---|---|
| Core capability | Real-time Agent Assist with live suggestions and knowledge | Real-time streaming speech-to-text with low latency over WebSocket |
| Standout feature | Conversation intelligence analyzing 100% of interactions | Real-time speaker diarization to distinguish multiple speakers |
| Team usage | Automated quality management and scoring across all calls | FastAPI backend with OpenAI-compatible REST API and Deepgram-compatible WebSocket protocol |
| Integrations | Knowledge Agent that proactively surfaces context-aware answers | Multiple ASR backends (Whisper variants, Voxtral, Qwen3-ASR) and 200+ language support with translation |
| Languages & capture | Autonomous AI agents for end-to-end conversation resolution | Included customizable HTML/JavaScript web interface and Docker images (GPU and CPU) |
| Best-fit workflow | Integrations with Genesys, NICE, Salesforce, Twilio, and Amazon Connect | Voice activity detection and multi-user support on a single backend |
Cresta
Choose Cresta if you need assisting contact-center agents in real time during customer conversations — strengths include delivers real-time guidance during live conversations, not just post-call review.
WhisperLiveKit
Choose WhisperLiveKit if you need self-hosted real-time meeting transcription with speaker labels — strengths include fully open source (apache 2.0) and self-hostable for private, on-premise transcription.
Cresta
WhisperLiveKit
It depends on your workflow. Cresta is strong for assisting contact-center agents in real time during customer conversations, while WhisperLiveKit is strong for self-hosted real-time meeting transcription with speaker labels. Both transcribe and summarize meetings.
Cresta is a free tier with paid upgrades and WhisperLiveKit is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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