P029_r2
Bing #3 Found in Bing
G Found in Google
β Not in SERP
Prompt: Is there an API for audio transcription to text?
π Hidden Queries: APIs for audio transcription to text list audio transcription API | best speech-to-text APIs audio transcription API providers
Raw details: ON
Web Search: β Triggered
Items: 11
With Citations: 11
Total Sources: 23
Bing overlap:
88.9%
(8/9 cited)
Q1: 67% (6/9)
Q2: 89% (8/9)
Double-overlap cited: 6
Search Prob: Simple 93.3% | Complex 0.2% | None 6.5%
Unsurfaced: 2 sources
Google coverage: 33.3% (3/9)
| Total (Bing+Google): 88.9%
| Missing: 11.1%
Google-only (not in Bing): 0.0% (0)
Google-only (not in Bing): 0.0% (0)
ChatGPT Response
1. OpenAI Speech-to-Text API
β OpenAI Speech-to-Text API β transcribes audio files and supports multiple output formats and languages. OpenAI Platform
2. Google Cloud Speech-to-Text
β Google Cloud Speech-to-Text API β general purpose speech-to-text from Google Cloud. Google Cloud
3. Microsoft Azure Speech-to-Text
β Microsoft Azure Speech-to-Text (Cognitive Services) β REST API with real-time and batch transcription. Microsoft Learn
4. Amazon Transcribe (AWS)
β Amazon Transcribe (AWS) β AWS API for converting speech to text. Reverie
5. Deepgram API β
β Deepgram API β AI-focused transcription with real-time and async options. Reverie
6. Rev.ai / Otter
β Rev.ai / Otter API β transcription + features like speaker labels (Otter also offers a public API). Swiftask
7. Speechmatics β multi-language
β Speechmatics β multi-language audio to text API. Swiftask
8. AssemblyAI β API-first
β AssemblyAI β API-first transcription with extra NLP features. Geeky Gadgets
9. Whisper-type APIs (e.g.,
β Whisper-type APIs (e.g., third-party WhisperAPI) β standard Whisper-based audio-to-text. Whisper API
10. OpenAI Whisper (model)
β OpenAI Whisper (model) β not a hosted API but a model you can run yourself for free transcription on your own servers. fr.wikipedia.org
11. Vosk β offline
β Vosk β offline speech recognition toolkit you can integrate directly. lemonfox.ai
β
CITED SOURCES (9)
platform.openai.com π
#1
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G#1
cloud.google.com π
#3
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G#3
learn.microsoft.com π
#2
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reverieinc.com π
#44
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swiftask.ai π
#4
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G#7
geeky-gadgets.com π
#29
Q2
whisperapi.com π
#52
Q1+Q2
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fr.wikipedia.org π
β
lemonfox.ai π
#181
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β ADDITIONAL SOURCES (12)
upuply.com π
β
ai-coustics.com π
#157
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assemblyai.com π
#26
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G#3
transkriptor.com π
#6
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dhiwise.com π
#140
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nordicapis.com π
#64
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speechify.com π
#10
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deepgram.com π
#2
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G#5
graphlogic.ai π
#121
Q2
G#5
transgate.ai π
#7
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transcribetube.com π
#3
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whisper-api.com π
#9
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π« UNSURFACED SOURCES (2)
Retrieved by ChatGPT but NOT used in response
View Details (Snippets)
Otter.ai wants to bring agents to all third party systems - ...
Otter.ai has unveiled significant upgrades to its platform, introducing agentic AI features and a pu...
π‘ RAW NETWORK DATA
Hidden Queries:
["APIs for audio transcription to text list audio transcription API","best speech-to-text APIs audio transcription API providers"]
Search Result Groups:
[{"type":"search_result_group","domain":"platform.openai.com","entries":[{"type":"search_result","url":"https://platform.openai.com/docs/guides/speech-to-text","title":"Speech to text - OpenAI API","snippet":"The transcriptions API takes as input the audio file you want to transcribe and the desired output file format for the transcription of the audio. All models support the same set of input formats. On output: whisper-1 supports json, text, srt, verbose_json, and vtt. gpt-4o-transcribe and gpt-4o-mini-transcribe support json or plain text. gpt-4o-transcribe-diarize supports json, text, and ...","ref_id":{"turn_index":0,"ref_type":"search","ref_index":0},"pub_date":null,"attribution":"platform.openai.com"}]},{"type":"search_result_group","domain":"reverieinc.com","entries":[{"type":"search_result","url":"https://reverieinc.com/blog/best-speech-to-text-apis/","title":"10 Best Speech-to-Text APIs for Real-Time Transcription","snippet":"Discover the best Speech-to-Text APIs to enhance accuracy, speed, and integration in your apps. Find the top options for real-time transcription and seamless voice recognition.","ref_id":{"turn_index":0,"ref_type":"search","ref_index":1},"pub_date":1731283200,"attribution":"reverieinc.com"}]},{"type":"search_result","url":"https://en.wikipedia.org/wiki/MacSpeech_Scribe","title":"MacSpeech Scribe","snippet":"","ref_id":{"turn_index":0,"ref_type":"search","ref_index":26},"pub_date":null,"attribution":"en.wikipedia.org"},{"type":"search_result_group","domain":"arxiv.org","entries":[{"type":"search_result","url":"https://arxiv.org/abs/1908.01067","title":"SANTLR: Speech Annotation Toolkit for Low Resource Languages","snippet":"","ref_id":{"turn_index":0,"ref_type":"academia","ref_index":28},"pub_date":null,"attribution":"arxiv.org"}]},{"type":"search_result","url":"https://arxiv.org/abs/2303.00628","title":"MuAViC: A Multilingual Audio-Visual Corpus for Robust Speech Recognition and Robust Speech-to-Text Translation","snippet":"","ref_id":{"turn_index":0,"ref_type":"academia","ref_index":29},"pub_date":null,"attribution":"arxiv.org"},{"type":"search_result","url":"https://en.wikipedia.org/wiki/Transcriber","title":"Transcriber","snippet":"","ref_id":{"turn_index":0,"ref_type":"search","ref_index":30},"pub_date":null,"attribution":"en.wikipedia.org"},{"type":"search_result","url":"https://arxiv.org/abs/2503.21025","title":"Improving Speech Recognition Accuracy Using Custom Language Models with the Vosk Toolkit","snippet":"","ref_id":{"turn_index":0,"ref_type":"academia","ref_index":31},"pub_date":null,"attribution":"arxiv.org"},{"type":"search_result_group","domain":"www.itpro.com","entries":[{"type":"search_result","url":"https://www.itpro.com/technology/artificial-intelligence/otter-ai-wants-to-bring-agents-to-third-party-systems","title":"Otter.ai wants to bring agents to all third party systems - with transcription just the start","snippet":"Otter.ai has unveiled significant upgrades to its platform, introducing agentic AI features and a public API to facilitate integration with third-party enterprise systems such as CRMs (like Salesforce and HubSpot) and project management tools (such as Asana and Atlassian). These agents can both pull data from and send data to external systems, enhancing meeting automationβsuch as generating and inputting action items into Asana based on Zoom discussions.\n\nThe company has also introduced a model context protocol (MCP) server for interoperability with generative AI platforms like Claude and ChatGPT. Key features include automated slide capture during presentations, searchable transcripts including visual content, and advanced AI chat to explore and act upon audio or transcript data. Otterβs AI can also autonomously generate documents, schedule meetings, and keep users updated if they join meetings late.\n\nOtter.ai emphasizes data security, offering granular controls over data sharing and HIPAA compliance. While often seen as a transcription tool, Otter positions itself as a broader enterprise workflow enhancer by building structured, searchable meeting knowledge bases. It supports collaboration platforms like Zoom, Microsoft Teams, and Google Meet, and aims to improve workplace productivity through proprietary and integrated AI technologies.","ref_id":{"turn_index":0,"ref_type":"news","ref_index":33},"pub_date":1759843240,"attribution":"www.itpro.com"}]}]
Sources Cited:
[{"url":"https://platform.openai.com/docs/guides/speech-to-text","title":"Speech to text - OpenAI API","description":"The transcriptions API takes as input the audio file you want to transcribe and the desired output file format for the transcription of the audio. All models support the same set of input formats. On output: whisper-1 supports json, text, srt, verbose_json, and vtt. gpt-4o-transcribe and gpt-4o-mini-transcribe support json or plain text. gpt-4o-transcribe-diarize supports json, text, and ...","domain":"OpenAI Platform"},{"url":"https://cloud.google.com/speech-to-text","title":"Speech-to-Text API: speech recognition and transcription | Google Cloud","description":"Convert audio into text transcriptions and integrate speech recognition into applications with easy-to-use APIs. New customers also get up to $300 in free credits to try Speech-to-Text and other Google Cloud products.","domain":"Google Cloud"},{"url":"https://learn.microsoft.com/en-us/azure/ai-services/speech-service/rest-speech-to-text","title":"Speech to text REST API - Speech service - Foundry Tools","description":"May 14, 2024 β Use Speech to text REST API to do the following: Fast transcription: Transcribe audio files with returning results synchronously and much faster than real-time audio.","domain":"Microsoft Learn"},{"url":"https://reverieinc.com/blog/best-speech-to-text-apis/","title":"10 Best Speech-to-Text APIs for Real-Time Transcription","description":"November 10, 2024 β Discover the best Speech-to-Text APIs to enhance accuracy, speed, and integration in your apps. Find the top options for real-time transcription and seamless voice recognition.","domain":"Reverie"},{"url":"https://www.swiftask.ai/blog/audio-transcription-api","title":"Top 10 API for Audio Transcription - Swiftask","description":"This API allows developers to integrate audio transcription functionality into their applications and services. The Speechmatics API offers fast conversion of audio files to text in different languages and dialects. It supports a wide range of audio formats, which makes it adaptable to various content sources.","domain":"Swiftask"},{"url":"https://www.geeky-gadgets.com/free-speech-to-text-api/","title":"5 Best Free Speech-to-Text APIs in 2025 Compared & Tested","description":"December 12, 2025 β This comparison guide, Assembly AI explores the best free speech-to-text APIs of 2025, comparing their strengths, limitations, and unique features to help you make an informed choice.","domain":"Geeky Gadgets"},{"url":"https://whisperapi.com/","title":"Whisper API - Affordable Transcription API","description":"OpenAI compatible API Just a Few Lines of Code No matter which programming language you use or which application you build, you can easily use our API to transcribe audio files into text. Our documentation and code examples will help you get started quickly.","domain":"Whisper API"},{"url":"https://fr.wikipedia.org/wiki/Whisper_%28syst%C3%A8me_de_reconnaissance_vocale%29","title":"Whisper (systΓ¨me de reconnaissance vocale)","description":"","domain":"fr.wikipedia.org"},{"url":"https://www.lemonfox.ai/blog/free-transcription-audio-to-text","title":"Top 12 Tools for Free Transcription Audio to Text in 2025","description":"January 2, 2026 β Discover the best tools for free transcription audio to text. Compare top services, APIs, and open-source options to get accurate transcripts instantly.","domain":"lemonfox.ai"}]
Sources All:
[{"url":"https://platform.openai.com/docs/guides/speech-to-text","title":"Speech to text - OpenAI API","description":"The transcriptions API takes as input the audio file you want to transcribe and the desired output file format for the transcription of the audio. All models support the same set of input formats. On output: whisper-1 supports json, text, srt, verbose_json, and vtt. gpt-4o-transcribe and gpt-4o-mini-transcribe support json or plain text. gpt-4o-transcribe-diarize supports json, text, and ...","domain":"OpenAI Platform"},{"url":"https://cloud.google.com/speech-to-text","title":"Speech-to-Text API: speech recognition and transcription | Google Cloud","description":"Convert audio into text transcriptions and integrate speech recognition into applications with easy-to-use APIs. New customers also get up to $300 in free credits to try Speech-to-Text and other Google Cloud products.","domain":"Google Cloud"},{"url":"https://learn.microsoft.com/en-us/azure/ai-services/speech-service/rest-speech-to-text","title":"Speech to text REST API - Speech service - Foundry Tools","description":"May 14, 2024 β Use Speech to text REST API to do the following: Fast transcription: Transcribe audio files with returning results synchronously and much faster than real-time audio.","domain":"Microsoft Learn"},{"url":"https://reverieinc.com/blog/best-speech-to-text-apis/","title":"10 Best Speech-to-Text APIs for Real-Time Transcription","description":"November 10, 2024 β Discover the best Speech-to-Text APIs to enhance accuracy, speed, and integration in your apps. Find the top options for real-time transcription and seamless voice recognition.","domain":"Reverie"},{"url":"https://www.swiftask.ai/blog/audio-transcription-api","title":"Top 10 API for Audio Transcription - Swiftask","description":"This API allows developers to integrate audio transcription functionality into their applications and services. The Speechmatics API offers fast conversion of audio files to text in different languages and dialects. It supports a wide range of audio formats, which makes it adaptable to various content sources.","domain":"Swiftask"},{"url":"https://www.geeky-gadgets.com/free-speech-to-text-api/","title":"5 Best Free Speech-to-Text APIs in 2025 Compared & Tested","description":"December 12, 2025 β This comparison guide, Assembly AI explores the best free speech-to-text APIs of 2025, comparing their strengths, limitations, and unique features to help you make an informed choice.","domain":"Geeky Gadgets"},{"url":"https://whisperapi.com/","title":"Whisper API - Affordable Transcription API","description":"OpenAI compatible API Just a Few Lines of Code No matter which programming language you use or which application you build, you can easily use our API to transcribe audio files into text. Our documentation and code examples will help you get started quickly.","domain":"Whisper API"},{"url":"https://fr.wikipedia.org/wiki/Whisper_%28syst%C3%A8me_de_reconnaissance_vocale%29","title":"Whisper (systΓ¨me de reconnaissance vocale)","description":"","domain":"fr.wikipedia.org"},{"url":"https://www.lemonfox.ai/blog/free-transcription-audio-to-text","title":"Top 12 Tools for Free Transcription Audio to Text in 2025","description":"January 2, 2026 β Discover the best tools for free transcription audio to text. Compare top services, APIs, and open-source options to get accurate transcripts instantly.","domain":"lemonfox.ai"},{"url":"https://www.upuply.com/blog/best-speech-to-text-api","title":"How to Choose the Best Speech to Text API in 2025","description":"December 6, 2025 β In-depth guide to choosing the best speech to text API, with benchmarks, cloud vs open source comparison, and how upuply.com fits multimodal AI workflows.","domain":"upuply.com"},{"url":"https://ai-coustics.com/2025/11/27/top-5-speech-to-text-apis/","title":"The top 5 speech-to-text APIs for real-time voice AI (2026 Guide)","description":"November 26, 2025 β Speech-to-text is is the foundation of nearly every voice-driven experience, so it's crucial to pick the best STT provider for your product.","domain":"ai-coustics.com"},{"url":"https://www.assemblyai.com/blog/the-top-free-speech-to-text-apis-and-open-source-engines","title":"The top free Speech-to-Text APIs, AI Models, and Open ... - AssemblyAI","description":"October 22, 2025 β Modern speech-to-text APIs offer features beyond basic transcription. Essential capabilities to evaluate include speaker diarization for multi-speaker conversations, automatic punctuation and formatti...","domain":"assemblyai.com"},{"url":"https://transkriptor.com/audio-to-text-apis/","title":"Best Audio to Text APIs for Developers | Transkriptor","description":"September 7, 2025 β Compare top audio to text APIs for developers. Learn about transcription accuracy, language support, integration options, and pricing models for speech recognition platforms.","domain":"transkriptor.com"},{"url":"https://www.dhiwise.com/post/choosing-the-best-speech-to-text-api-for-accuracy","title":"Best Speech to Text API With High Accuracy Rates","description":"July 13, 2025 β Which is the best speech to text API for accurate transcription? This quick guide compares top APIs of 2025βcovering accuracy, language support, and real-time performanceβto help you pick the right to...","domain":"dhiwise.com"},{"url":"https://nordicapis.com/10-speech-to-text-apis-that-let-ai-listen/","title":"10 Speech-to-Text APIs That Let AI Listen - Nordic APIs","description":"May 14, 2025 β Deepgram Billing themselves as the voice AI platform for enterprise use cases, Deepgram offers APIs for speech-to-text, text-to-speech, voice agents, and audio intelligence. The platform also provides...","domain":"nordicapis.com"},{"url":"https://speechify.com/blog/10-best-speech-to-text-apis/","title":"10 Best Speech to Text APIs | Speechify","description":"March 24, 2025 β Top 10 Best Speech to Text APIs From real-time transcription services in journalism and automated captioning in video streaming to voice-driven control systems in smart homes and interactive customer...","domain":"speechify.com"},{"url":"https://deepgram.com/learn/best-speech-to-text-apis","title":"Best Speech-to-Text APIs in 2025 - Deepgram","description":"At its core, a speech-to-text (also known as automatic speech recognition, or ASR) application programming interface (API) is simply the ability to call a service to transcribe audio containing speech...","domain":"deepgram.com"},{"url":"https://graphlogic.ai/blog/utilities/the-best-speech-to-text-apis-in-2025-a-comprehensive-guide/","title":"The Best Speech-to-Text APIs in 2025: A Comprehensive Guide","description":"Speech-to-text APIs are no longer optional in sectors like healthcare, education, accessibility, and enterprise productivity. These APIs transform audio into searchable, structured text β enabling aut...","domain":"graphlogic.ai"},{"url":"https://transgate.ai/blog/best-audio-to-text-api","title":"Best Audio-to-Text APIs in 2025 β Transgate vs Google, AWS","description":"Best Audio-to-Text APIs in 2025: Compare Transgate, Google, AWS, and AssemblyAI Audio transcription is no longer a luxuryβitβs a necessity. Whether you're building an app, automating content productio...","domain":"transgate.ai"},{"url":"https://www.transcribetube.com/blog/speech-to-text-api","title":"The Best Speech-to-Text API Services in 2024 (Honest Reviews)","description":"Discover the top ten Speech-to-Text (STT) APIs of 2024. 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Sonic Classification (Search Probabilities):
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π RAW RESPONSE TEXT
Yes β there are APIs that transcribe audio to text (speech-to-text / automatic speech recognition). You send audio data to the API and get back text. Common options: Major cloud API providers OpenAI Speech-to-Text API β transcribes audio files and supports multiple output formats and languages. OpenAI Platform [https://platform.openai.com/docs/guides/speech-to-text] Google Cloud Speech-to-Text API β general purpose speech-to-text from Google Cloud. Google Cloud [https://cloud.google.com/speech-to-text] Microsoft Azure Speech-to-Text (Cognitive Services) β REST API with real-time and batch transcription. Microsoft Learn [https://learn.microsoft.com/en-us/azure/ai-services/speech-service/rest-speech-to-text] Amazon Transcribe (AWS) β AWS API for converting speech to text. Reverie [https://reverieinc.com/blog/best-speech-to-text-apis/] Other specialized APIs Deepgram API β AI-focused transcription with real-time and async options. Reverie [https://reverieinc.com/blog/best-speech-to-text-apis/] Rev.ai / Otter API β transcription + features like speaker labels (Otter also offers a public API). Swiftask+1 [https://www.swiftask.ai/blog/audio-transcription-api] Speechmatics β multi-language audio to text API. Swiftask [https://www.swiftask.ai/blog/audio-transcription-api] AssemblyAI β API-first transcription with extra NLP features. Geeky Gadgets [https://www.geeky-gadgets.com/free-speech-to-text-api/] Whisper-type APIs (e.g., third-party WhisperAPI) β standard Whisper-based audio-to-text. Whisper API [https://whisperapi.com/] Open-source alternatives you can self-host OpenAI Whisper (model) β not a hosted API but a model you can run yourself for free transcription on your own servers. fr.wikipedia.org [https://fr.wikipedia.org/wiki/Whisper_%28syst%C3%A8me_de_reconnaissance_vocale%29] Vosk β offline speech recognition toolkit you can integrate directly. lemonfox.ai [https://www.lemonfox.ai/blog/free-transcription-audio-to-text] Pick based on **pricing, language support, real-time