GPT-Realtime-2.1OpenAI
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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.
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About
Guide Labs is developing a new class of interpretable AI systems and foundation models that humans can reliably debug, trust, and understand. Our models are engineered to produce human-understandable factors for any output, provide reliable context citations, and specify which training data influences the generated output. This approach addresses issues in current AI systems, which often produce explanations unrelated to their outputs, are difficult to debug, and are challenging to control and align. The Guide Labs team comprises experts with over 20 years of experience in interpretable machine learning. We have developed the first interpretable generative diffusion model and large language model. We are rethinking the model architecture, loss function, and entire pipeline to constrain the model training process such that the models we get are more easily understandable, their errors easier to identify and fix, and easy to align.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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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
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Audience
AI researchers and developers looking for a solution to manage their processes and operations
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Pricing
$0.40 per cached input
Free Version
Free Trial
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Pricing
No information available.
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationOpenAI
Founded: 2015
United States
developers.openai.com/api/docs/models/gpt-realtime-2.1
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Company InformationGuide Labs
Founded: 2023
www.guidelabs.ai/
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Integrations
OpenAI
gpt-realtime
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