Best 13 voice recognition api Tools in 2026

Speech-to-Text API
Text-to-Speech API
Voice Agent API
Audio Intelligence API

Free Trial $200 in free credits That can fuel transcription for 750 hours, or generate text-to-speech audio for ~200 hours. No credit card needed.

To use Deepgram, sign up for a free account to receive $200 in free credits. Explore the Playground to try models and APIs, transcribe sample audio files, or generate text-to-speech audio. Integrate Deepgram's APIs into your applications for speech-to-text, text-to-speech, and voice agent capabilities.

Speech-to-Text
Streaming Speech-to-Text
Speech Understanding
Speaker Diarization
Sentiment Analysis
PII Redaction
Content Moderation
Automatic Language Detection

Free Free Start building with $50 of free credits
Pay as you go Starting at $0.12/hr for Speech-to-Text For teams ready to integrate Speech AI into their products
Custom Contact us The most flexible plan for scaling AI in production

Users can leverage AssemblyAI's API to transcribe pre-recorded voice data, build voice agent workflows with low latency streaming speech-to-text, and enable deep analysis with audio-intelligence models. The platform also offers a no-code playground for testing AI models.

AI phone agents that sound human
24/7 availability
Support for multiple languages
Self-hosted, end-to-end infrastructure
Dynamic integrations with existing systems
Customizable prompts and guardrails

Pay-as-you-go All for $0.09 a minute.
Enterprise Enterprise Inquiry

Integrate Bland's API into your business systems to build AI phone agents that handle sales, scheduling, and customer support. Provide custom prompts and sample dialogues to personalize interactions. The platform offers auto-scaling infrastructure to handle thousands of calls.

Support for multiple data types (images, audio, text, video, time series)
Configurable layouts and templates
Integration with ML/AI pipelines via Webhooks, Python SDK, and API
ML-assisted labeling
Connection to cloud storage (S3, GCP)
Data Manager with advanced filters
Multiple projects and users support

Community Edition Free to use
Enterprise Contact sales for pricing

Label Studio can be installed via PIP, Brew, Git, or Docker. After installation, you can launch the tool, import data, create projects, and start labeling using customizable tags and templates.

AI-powered audio stem separation
AI-driven mixing and mastering
AI voice transfer and swapping
Audio metadata and classification

Pricing Simple pricing, no commitment

Upload your own track to Music AI's platform and use the available AI audio models for stem separation, voice swapping, mixing & mastering, and more.

Text-to-speech conversion with 800+ voices
Telegram bot integration for free limited use
High-quality 44.1K wav file output
Commercial use options with paid plans
Voice licensing for passive income

Plan 1 $2 per month ~1222 minutes of speech, Voice over text, Download all files, Commercial use
Plan 2 $6 per month ~3833 minutes of speech, Voice over text, Download all files, Commercial use
Plan 3 $10 per month ~6650 minutes of speech, Voice over text, Download all files, Commercial use

Users can either use the free Telegram bot for limited synthesis or subscribe to a paid plan for more extensive features. Simply input text, select a voice, and generate the audio.

Multilingual speech-to-text conversion
High accuracy in 14 languages
Support for audio file upload and YouTube link pasting
API integration with multiple programming languages
Cloud and on-prem deployment options
Punctuation and optimization for readability

Free Free 30 mins online transcription per month, 5 hours API transcription per month, All 14 languages available, Time aligned transcription, 1 audio file concurrency limit, No credit card required to sign up
On Demand $0.0002 per second Everything included in Free Tier, 10 audio file concurrency limit, Pay-as-you-go by seconds, Online support
Enterprise Contact Sales Volume transcription pricing, Higher concurrency limit, VPC deployments, On-prem deployments, Dedicated support

Users can upload audio files or paste YouTube links to transcribe speech to text. The API can be integrated using code snippets in various languages like Curl, C#, Go, Java, Node.js, PHP, Python, Ruby, Rust, and TypeScript.

Integration with GPT-4o and ClaudeAI
DALL·E 3 integration for image generation
State-of-the-art voice recognition with Whisper
Intuitive interface via Telegram
Neural-based text-to-speech
Flexible API access

Pro $19.99 a month 4 Private Bots, 0 Group Bots, OpenAI - gpt-4o, gpt-3.5-turbo, ClaudeAI - 3-5-sonnet
Community Manager $49.99 a month 1 Private Bot, 1 Group Bot, OpenAI - gpt-4o, gpt-3.5-turbo, ClaudeAI - 3-5-sonnet

Users can set up their bot in seconds by specifying its desired personality. The platform integrates with Telegram via @mygptlinkbot, allowing users to activate and design their own bots. Flexible API access enables usage on various devices and platforms.

Automatic Speech Recognition (ASR)
Machine Translation
Speaker Identification
Optical Character Recognition (OCR)

To use ClearCypher's services, you can process audio, video, image, and text content through their AI solutions. You can also schedule a demo to explore their Automatic Speech Recognition and Machine Translation services. Contact them via email or through the contact form on their website.

Natural language input
Voice recognition
Photo capture
Siri integration
Extensive app integrations
Robust security
iCloud data storage

Use ExpenSee to record expenses anytime, anywhere using voice input. The app securely stores your data in iCloud.