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About

GPT-Realtime-2.1 is OpenAI’s reasoning model with tool use for low-latency voice agents and complex speech-to-speech workflows. It updates GPT-Realtime-2 with improved alphanumeric recognition, silence and noise handling, and interruption behavior, helping applications understand spoken code, manage imperfect audio, and respond more naturally when users pause or talk over the agent. Developers can configure reasoning effort to balance deeper thinking against latency and output usage, while strong instruction following helps the model stay aligned with a defined role, tone, and workflow. It accepts and produces both audio and text, can take images as input, and supports function calling so an agent can retrieve information or perform actions during a conversation. The model has a 128,000-token context window, supports up to 32,000 output tokens, and includes reasoning-token support for extended interactions.

About

Whisper is an automatic speech recognition (ASR) system developed by OpenAI for converting spoken language into text. It is trained on 680,000 hours of multilingual and multitask audio data collected from the web. The model is designed to handle diverse accents, background noise, and technical language with high accuracy. Whisper supports transcription in multiple languages as well as translation into English. It uses an encoder-decoder Transformer architecture to process audio inputs and generate text outputs. The system can also perform tasks like language identification and timestamp generation. Overall, Whisper enables developers to build robust voice-enabled applications with ease.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers, AI agent builders, voice AI teams, contact center platforms, customer support teams, product teams, enterprise automation teams, and conversational AI companies that need realtime speech-to-speech interactions, audio input and output, function calling, tool use, configurable reasoning, image input, long-context voice workflows, transcription, translation, and interactive AI assistants

Audience

Developers, researchers, content creators, and businesses looking to build speech-to-text, voice interfaces, translation tools, or accessibility solutions using robust multilingual audio processing

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$0.40 per cached input
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
developers.openai.com/api/docs/models/gpt-realtime-2.1

Company Information

OpenAI
Founded: 2015
United States
openai.com/index/whisper/

Alternatives

Alternatives

Transcribe

Transcribe

Wreally
Azure AI Speech

Azure AI Speech

Microsoft

Categories

Categories

Integrations

OpenAI
Baseten
Blink
Hyprnote
Krater.ai
Kuku
LazyTyper
NoteVocal
Pruna AI
PyGPT
Shownotes
Simplismart
Thinkbuddy
TurboScribe
Undrstnd
Unremot
VESSL AI
Vocode
Waveloom
Zo Computer

Integrations

OpenAI
Baseten
Blink
Hyprnote
Krater.ai
Kuku
LazyTyper
NoteVocal
Pruna AI
PyGPT
Shownotes
Simplismart
Thinkbuddy
TurboScribe
Undrstnd
Unremot
VESSL AI
Vocode
Waveloom
Zo Computer
Claim GPT-Realtime-2.1 and update features and information
Claim GPT-Realtime-2.1 and update features and information
Claim OpenAI Whisper and update features and information
Claim OpenAI Whisper and update features and information