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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

Vision Agents is an open source Python framework for building low-latency voice and video AI agents with any model. It lets developers plug in LLM, speech, and vision models from more than 25 providers and ship real-time agents for telehealth, voice support, live coaching, video analysis, interactive avatars, security monitoring, sports commentary, and other multimodal applications. It is designed to help teams build agents that can listen, speak, see, process media, call tools, and respond in real time while running on Stream’s global edge network with sub-500ms latency. Developers can build a first agent in minutes, using a small Python setup with Gemini Realtime, OpenAI, Deepgram, ElevenLabs, Stream, or other supported providers. Vision Agents supports both real-time speech-to-speech models and custom STT/LLM/TTS pipelines, giving teams either the fastest path to a working voice agent or full control over speech recognition, language reasoning, text-to-speech, etc.

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

AI product engineers and developer teams who need a tool to build real-time voice, video, camera-aware, and multimodal agents with swappable model providers

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

Free
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

Stream
United States
visionagents.ai/

Alternatives

Alternatives

ElevenAgents

ElevenAgents

ElevenLabs

Categories

Categories

Integrations

OpenAI
Amazon Nova
Amazon Polly
AssemblyAI
Baseten
Cartesia Ink-Whisper
Claude
Deepgram
Gemini Live API
Grok
Hugging Face
Kokoro TTS
Kubernetes
Moondream
Prometheus
Qwen
Roboflow
Twilio
Vogent
Voxtral TTS

Integrations

OpenAI
Amazon Nova
Amazon Polly
AssemblyAI
Baseten
Cartesia Ink-Whisper
Claude
Deepgram
Gemini Live API
Grok
Hugging Face
Kokoro TTS
Kubernetes
Moondream
Prometheus
Qwen
Roboflow
Twilio
Vogent
Voxtral TTS
Claim GPT-Realtime-2.1 and update features and information
Claim GPT-Realtime-2.1 and update features and information
Claim Vision Agents and update features and information
Claim Vision Agents and update features and information