WhisperAI

What is WhisperAI?

Whisper AI is an AI-powered speech-to-text platform that converts audio and video into highly accurate written transcripts in real time. Built on OpenAI’s Whisper model, it supports over 100 languages, automatically detects speakers, and handles accents, technical terms, and background noise with strong accuracy. It also includes features like live meeting transcription, summaries, translation, and export options in multiple formats, making it useful for interviews, podcasts, lectures, and business calls. Designed for speed and automation, Whisper AI helps users turn spoken content into searchable, editable text within minutes instead of hours of manual work.

Serving more than 300,000 global users, WhisperAI eliminates typical file size and duration bottlenecks by supporting single media uploads up to 5 GB (or 10 hours per file). Across 100+ auto-detected languages, the platform delivers automated speaker identification (diarization), domain vocabulary prompting (up to 100 industry jargon terms per file), AI executive summaries, and multi-format subtitle exports. WhisperAI offers a free trial (5 minutes free, no credit card required) alongside unlimited plans starting from $24.99 per month and pay-as-you-go developer APIs.

• Platform Model: Automated AI Audio/Video Transcription, Meeting Assistant & Speech-to-Text API
• Core AI Engine: OpenAI Whisper Foundation Models & ChatGPT Analysis Layers
• Language & File Capacity: 100+ Languages with Direct Uploads up to 5 GB / 10 Hours

Use Cases:

• Transcribing full-day conferences, panel discussions, legal depositions, and webinars up to 5 GB without splitting files
• Prompting transcripts with custom medical jargon, ticker symbols, or case numbers before transcription to maximize accuracy
• Automating file transcription straight from Google Drive or cloud folders via hands-off Cloud Sync
• Generating subtitle files (SRT, VTT) and formatted meeting summaries (PDF, DOCX, TXT, JSON) in seconds
• Integrating real-time speech streaming or asynchronous audio transcription into custom software via developer REST APIs

Technology:

• OpenAI Whisper automatic speech recognition (ASR) engine handling heavy accents and noisy background environments
• Acoustic speaker diarization identifying distinct conversation participants and assigning custom speaker labels
• High-concurrency developer API handling up to 250 parallel requests with real-time WebSocket and webhook dispatch

Target Users:

• Podcasters, video creators, and journalists transcribing long-form interviews and generating video captions
• Legal practitioners, court reporters, and paralegals indexing deposition audio with timestamps and named counsel
• Medical and clinical practices needing speech summaries that reliably capture pharmacological terms
• Software developers requiring scalable, hosted Whisper speech-to-text endpoints without managing GPU clusters

Acquisition: Operates as an independent software and AI speech technology platform

Key features of WhisperAI

WhisperAI's key platform features are

• OpenAI Whisper Accuracy: Uses fine-tuned OpenAI Whisper foundation models capable of parsing accents, background cafeteria chatter, and low-bitrate audio.
• 5 GB / 10-Hour Upload Limits: Supports large single audio/video files up to 5 GB, removing the need to cut and stitch long multi-hour recordings.
• Pre-Transcription Vocabulary Prompting: Feed up to 100 industry-specific jargon words, acronyms, brand names, and client titles into the prompt to guide spelling before processing begins.
• Automated Speaker Diarization: Differentiates voices across panels, podcasts, and board meetings, allowing custom speaker naming instead of generic numbering.
• 100+ Language Translation & Detection: Automatically identifies the spoken language and translates regional dialogues into clean English or 80+ target languages.
• Cloud Sync Automation: Connects directly to Google Drive (with OneDrive, Dropbox, and Box integration) to auto-transcribe newly deposited recordings hands-free.
• Whisper Flow Chrome Extension: Provides unlimited live voice dictation and speech-to-text typing directly inside web browsers and CMS fields.
• Comprehensive Export Formats: Download finished transcripts and captions in PDF, DOCX, TXT, SRT, VTT, and structured JSON with exact timestamps.

WhisperAI Pricing

WhisperAI offers a free trial with zero credit card commitment, affordable tiered allowances, and an unlimited tier for heavy users.

Free Plan:

• $0 / month: 5 minutes of free transcription to test accuracy with no credit card required
• Full 5 GB upload limit, 100+ language detection, basic speaker labeling, and standard exports

Premium Plan:

• $14.99 / month: Designed for regular individual users
• 120 minutes/month (with unused minutes rolling over up to 360 minutes)
• 5 GB file limits, batch uploading up to 5 files at a time, transcript editor, and Whisper Flow extension

Business Pro Plan:

• $24.99 / month: Unlimited usage for power users and professionals
• Unlimited transcription minutes, unlimited file uploads, up to 10 parallel file uploads
• Advanced speaker labeling, AI Summary, interactive chat with AI transcripts (ChatGPT), and Cloud Sync

Enterprise & Developer API Plans:

• Enterprise ($75 / month): 5 seats included ($15/month per additional seat), shared team workspace, centralized billing, and team analytics
• Developer API ($0.01 / minute pay-as-you-go or $99 / month with 10k minutes): 250 concurrent requests, REST API, real-time streaming speech-to-text ($0.01667/min), and webhooks

Disclaimer: Transcripts and audio files are encrypted at rest and in transit and are never used for model training. For current enterprise volume tiers and API limits, visit whisperai.com/pricingandplans.

Who is using WhisperAI?

WhisperAI is used by over 300,000 professionals, researchers, and enterprises, including

• Legal & Compliance Teams: Converting client interviews and witness depositions into searchable, timestamped legal transcripts
• Healthcare & Clinical Operations: Capturing clinical notes and dictation accurately without missing complex terminology
• Podcast Networks & Video Creators: Generating SRT subtitles and SEO-friendly article transcripts for long-form episodes
• Academic Researchers & Universities: Transcribing multi-speaker seminars and recorded field lectures across foreign languages

Best WhisperAI Alternatives

Some of the strongest WhisperAI alternatives include

• Otter.ai
• Descript
• Rev (AI & Human Transcription)
• Gladia (Developer Audio API)
• Deepgram
• AssemblyAI

Pros and Cons of WhisperAI

Pros

• Powered by OpenAI Whisper for industry-leading accuracy across diverse accents and noisy audio
• True unlimited transcription offered on the $24.99/mo Business Pro tier with no overage penalties
• Massive 5 GB / 10-hour upload size limit accommodates long-form video files and conferences
• Advanced pre-transcription prompting allows custom industry jargon and proper nouns to be recognized correctly
• Hands-free Cloud Sync with Google Drive automates file workflows effortlessly

Cons

• Free trial is limited to 5 minutes, which only permits quick initial testing
• Unused minutes on the entry $14.99 tier are capped at a maximum rollover of 360 minutes
• Real-time speech streaming API carries a slightly higher per-minute rate than asynchronous batch processing

Why Choose WhisperAI?

Running open-source Whisper locally requires managing Python environments, installing PyTorch, and provisioning expensive GPU instances, while legacy transcription platforms charge steep per-minute overages. WhisperAI offers a balanced solution.

• Gives you access to Whisper's transcription power inside a modern web app without managing GPU hardware
• Provides unlimited transcription on Pro tiers so you never have to ration meeting minutes
• Handles massive files up to 5 GB that cause other tools to time out or crash
• Protects your audio with zero model training retention and encrypted storage

WhisperAI vs. Competitors

The main difference between WhisperAI, Otter.ai, Descript, and AssemblyAI lies in underlying model focus and usage caps. While Otter emphasizes real-time bot meeting attendance and Descript functions as a timeline audio/video editor, WhisperAI is engineered around the OpenAI Whisper engine—combining large 5 GB file ingest, custom pre-prompt vocabulary injection, and an unlimited monthly transcription tier.

How do we rate WhisperAI?

WhisperAI Review

WhisperAI takes the technical friction out of OpenAI's benchmark Whisper speech recognition engine and delivers it in an intuitive, production-ready package. By allowing users to upload massive 5 GB files, inject custom vocabulary prompts before transcribing, and automate workflows via Google Drive sync, WhisperAI solves the common limitations of mainstream transcription tools. Its unlimited Business Pro tier at $24.99/month makes it an economical and dependable choice for high-volume transcribers.

Conclusion

Whisper AI is a powerful speech-to-text platform that transforms audio and video into highly accurate, structured text in minutes, making it a go-to tool for meetings, interviews, podcasts, and content workflows. Built on OpenAI’s Whisper model, it supports 100+ languages, automatic speaker detection, real-time transcription, and translation, while also offering features like summaries, timestamps, and customizable prompts for better accuracy and formatting. Its biggest strength lies in combining speed, accuracy, and scalability—handling large files (up to 5GB), bulk uploads, and even live recordings without the delays of manual transcription. With cloud integrations, API access for developers, and strong privacy controls, it fits both individual and enterprise workflows seamlessly.