Whisper (OpenAI) vs Aiko
Side-by-side comparison · Updated April 2026
| Description | Whisper is a cutting-edge automatic speech recognition (ASR) system created by OpenAI. Trained on 680,000 hours of multilingual and multitask supervised data from the web, Whisper boasts improved robustness to accents, background noise, and technical language. It provides transcription services in multiple languages and translates those languages into English. Whisper uses an encoder-decoder Transformer architecture that captures 30-second audio chunks, converts them to log-Mel spectrograms, and predicts corresponding text captions. Its large and diverse dataset helps Whisper outperform existing systems in zero-shot performance across diverse scenarios. | Aiko is a high-quality, AI-powered audio transcription app that offers users the ability to convert speech to text directly on their devices, ensuring complete privacy. It leverages OpenAI's Whisper model to provide support for transcribing audio in over 100 languages. With features tailored for meetings, lectures, and more, Aiko integrates seamlessly into productivity workflows by supporting shortcuts and exporting transcriptions to various formats. The app is designed to run locally on macOS and iOS devices, adapting the model's size to the device's memory for optimal performance. |
| Category | Speech-To-Text | Speech-To-Text |
| Rating | No reviews | No reviews |
| Pricing | N/A | N/A |
| Starting Price | N/A | N/A |
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| Tags | Automatic Speech RecognitionASRSpeech RecognitionTranscriptionTranslation | AIaudio transcriptionspeech to textprivacyOpenAI Whisper |
| Features | ||
| High robustness to accents and background noise | ||
| Supports multiple languages | ||
| Translates languages into English | ||
| Encoder-decoder Transformer architecture | ||
| Processes 30-second audio chunks | ||
| Predicts text captions with special tokens integration | ||
| Improved zero-shot performance | ||
| Open-source with detailed resources | ||
| Enables voice interfaces for applications | ||
| Outperforms on CoVoST2 for English translation | ||
| On-device audio transcription ensuring privacy | ||
| Supports transcription in over 100 languages | ||
| Utilizes OpenAI's Whisper model for high-quality transcription | ||
| Seamless integration into productivity workflows with support for shortcuts | ||
| Exports transcriptions to various formats (JSON, CSV, subtitles) | ||
| Adapts the model's size based on device memory for optimal performance | ||
| High privacy with direct device processing | ||
| Supports audio and video file transcription | ||
| Designed for iOS and macOS devices | ||
| Does not support text editing within the app | ||
| View Whisper (OpenAI) | View Aiko | |