Best AI tools for speech to text

24 tools in the Audio category, filtered to speech to text.

AssemblyAI

Speech-to-text API with diarisation, summarisation, and topic detection.

Freemium· Pre-recorded Speech-to-Text API: $0.21 /hr · Universal-2: $0.15 /hr · Realtime Speech-to-Text API: $0.45 /hr · Universal-Streaming: $0.15 /hr · Universal-Streaming Multilingual: $0.15 /hrtranscriptiondiarisation

Chorus by ZoomInfo

Audio · In-house speech and NLP models (patented Chorus ML stack)

8.7

Enterprise conversation intelligence bundled with ZoomInfo's B2B data graph

Enterprise· ZoomInfo Professional: Contact sales · Copilot Advanced: Contact sales · Copilot Enterprise: Contact sales · Marketing Demand: Contact sales · ABM Lite: Contact salesSales call recording and transcriptionRep coaching and scorecards

Whisper

Audio · Whisper large-v3

8.6

OpenAI's open-source speech-to-text — the de-facto baseline.

Free· Free open weights; $0.006/min via OpenAI APItranscriptionself-hosted

Gong

Audio · In-house speech and language models, with additional agentic features reportedly built on frontier LLMs

8.5

Revenue AI platform that captures, transcribes, and analyzes customer conversations to drive sales outcomes.

Enterprise· Custom pricing based on per-user licenses plus a platform fee scaled to team size; no public tier pricing. Prospects request a quote via a demo form.Sales call recording and transcriptionDeal risk and pipeline inspection

Grain

Audio · Claude, ChatGPT

8.3

AI meeting notes, coaching, and an MCP feed for your agents

Freemium· Free (45-min meeting cap, 90-day history) / Starter ~$15 per user/mo (unlimited meetings, advanced AI) / Business & Enterprise tiers with CRM sync and admin controlsAI meeting notes and summariesSales call transcription and coaching

Fireflies.ai

Audio · Multi-model (proprietary ASR + LLM layer)

8.2

AI meeting assistant that joins calls, transcribes them, and turns the talk into searchable notes and action items.

Freemium· Basic: $10 · Pro: $20 · Enterprise: Contact salesmeeting transcriptioncall summaries

ElevenLabs Conversational AI

Audio · ElevenLabs Scribe (ASR) + pluggable LLM + ElevenLabs TTS

8.1

Production-grade voice agent platform layering ElevenLabs TTS, ASR, and LLM orchestration into a single deployable stack.

Paid· Free: $0 · Starter: $6 · Creator: $11 · Pro: $99 · Scale: $299voice-agentsivr-replacement

Read AI

Audio · Multi-model

8.1

AI meeting copilot that transcribes, summarizes, and surfaces action items across Zoom, Meet, and Teams.

Freemium· Free: Free · Pro: $19.75 · Enterprise: $29.75 · Enterprise+: $39.75meeting-transcriptionmeeting-summaries

Wispr Flow

Audio

8.0

System-wide voice-to-text dictation that auto-edits filler words and learns your jargon.

Freemium· Pro Monthly Plan: $15.00 · Pro Annual Plan: null · Monthly Student Plan: $7.49 · Pro Weekly Plan: $4.49 · Annual Student Plan: nulldictationvoice-to-text

Deepgram

Audio · Nova, Flux, Speak (proprietary)

7.9

Production-grade speech-to-text, text-to-speech, and voice-agent APIs for real-time and batch audio.

Freemium· Free credits on signup; usage-based pricing; enterprise contracts availablespeech-to-texttext-to-speech

Voicebox

Audio · Multi-model (Chatterbox, Qwen TTS, Whisper, etc.)

7.4

Open-source desktop voice studio for local cloning, dictation, and giving MCP agents a voice.

Free· Free and open source; optional $VOICEBOX token donationsvoice-cloningtext-to-speech

Vibe

Audio · OpenAI Whisper (via whisper.cpp)

7.2

Offline desktop transcription app powered by Whisper, with diarization, batch processing, and an HTTP API.

Free· Free and open-source (MIT)transcriptionsubtitles

iSpeech

Audio

7.0

Veteran cloud TTS and speech recognition API with broad SDK and language coverage.

Freemium· Free mobile SDK for non-revenue apps; ~$0.0001-$0.05 per word/transactiontext-to-speechspeech-recognition

Transgate

Audio · Multi-model speech-to-text

6.9

Pay-as-you-go AI transcription and translation with summaries, highlights, and chat over your audio.

Freemium· PAY AS YOU GO: $2 · PREMIUM: $40 · BUSINESS: $60transcriptiontranslation

WhisperAPI

Audio · OpenAI Whisper

6.9

Hosted OpenAI Whisper transcription with a pay-as-you-go API and drop-in web dashboard.

Paid· 20 API Credits: $5 · 100 API Credits: $20 · 200 API Credits: $30 · Custom: $100.00audio-transcriptionvideo-subtitles

EKHOS AI

Audio · Proprietary local models

6.8

Offline Windows transcription app with speaker diarization, GPU acceleration, and 98-language support.

Freemium· Premium: $9transcriptionspeaker-diarization

Otter.ai

Audio · Proprietary speech + LLM stack

6.8

AI meeting notetaker that transcribes calls, summarizes them, and pulls out action items in real time.

Freemium· Basic: $20 · Pro: $50 · Enterprise: Contact salesmeeting-transcriptionmeeting-summaries

Scribbl

Audio

6.7

Bot-free AI meeting recorder, transcriber, and summarizer for Google Meet.

Freemium· Free: 15 meetings/month; paid team plans for shared libraries and CRM integrationsmeeting-transcriptionmeeting-summaries

Horch

Audio · Whisper (local) for transcription; optional Ollama / MLX local LLMs for summarization

Privacy-first, on-device meeting assistant for macOS

Paid· One-time purchase: €49 onceConfidential client meeting transcriptionAutomatic action-item extraction

Kyutai Moshi

Audio · Moshi (7B-class speech-text foundation model) + Mimi neural audio codec, in-house by Kyutai

Open-source, full-duplex speech-to-speech foundation model with sub-200ms latency

Free· Free and open source. Models under CC-BY 4.0, code under MIT (Python) / Apache 2.0 (Rust). Self-hosted only — you pay your own compute (24GB+ GPU for PyTorch, or Apple Silicon via MLX).Real-time voice assistant prototypesResearch on full-duplex spoken dialogue

Retell AI

Audio · LLM-agnostic (OpenAI, Anthropic, Google and others selectable per agent); proprietary turn-taking model and voice pipeline in-house

Build, test and deploy production-grade AI voice agents for inbound and outbound calls.

Freemium· Pay-as-you-go: $0.07-$0.31/minute · Enterprise: Custom PricingAI inbound call answeringOutbound lead qualification

Threadfork

Audio · On-device local LLMs running on Apple Silicon (specific model family undisclosed)

Private, local-first AI meeting notetaker for macOS

Paid· Pro: $39Confidential client meeting transcriptionSales call notes and follow-ups

Vapi

Audio · Model-agnostic: OpenAI GPT-4o, Anthropic Claude, Google Gemini, Groq, DeepSeek, Llama; STT/TTS via Deepgram, ElevenLabs, PlayHT, Cartesia, Azure

Developer platform for building, deploying, and scaling production voice AI agents

Freemium· Build: Usage based · Scale: Contact UsAI phone receptionistOutbound lead qualification calls

VoxAI

Audio · Bring-your-own via MCP (Claude, GPT, or other MCP-compatible clients)

Local macOS conversation recorder with live AI copilot and speaker-labelled transcripts

Paid· FREE TRIAL: US$0 · EARLY BIRD · REGULAR: US$19.90Real-time meeting transcription with speaker labelsLive AI copilot during sales calls and negotiations