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Description
GPT-Realtime-2.1 is an OpenAI realtime model designed for advanced voice-agent and speech-to-speech AI applications. It improves on GPT-Realtime-2 with stronger alphanumeric recognition, better silence and noise handling, and more natural interruption behavior. The model supports text, audio, and image inputs, while producing text and audio outputs for interactive realtime experiences. Developers can use GPT-Realtime-2.1 across endpoints such as Chat Completions, Responses, Realtime, realtime translation, realtime transcription sessions, and related OpenAI API workflows. The model supports function calling, configurable reasoning effort, instruction following, and reasoning token support for complex voice-agent tasks. Its 128,000-token context window and 32,000-token maximum output make it suitable for longer conversations and more detailed realtime workflows. GPT-Realtime-2.1 does not support video, structured outputs, fine-tuning, or predicted outputs according to OpenAI’s current documentation. Pricing starts at $4 per 1 million text input tokens and $24 per 1 million text output tokens, with separate pricing for audio and image tokens. By combining realtime audio interaction, reasoning, tool use, and multimodal input, GPT-Realtime-2.1 helps developers build responsive AI agents for support, sales, operations, translation, transcription, and interactive voice applications.
Description
Leadlock is an innovative speech-to-speech voice AI platform tailored for GoHighLevel agencies, designed to efficiently handle every call, qualify potential leads, schedule appointments, and update GHL pipelines in real time. Departing from conventional voice AI systems that rely on a sequence of speech-to-text, an LLM, and text-to-speech processes, it offers genuine multimodal speech-to-speech capabilities utilizing OpenAI Realtime and Gemini Live, as well as options from xAI Grok and ElevenLabs, ensuring rapid response times, seamless turn-taking, and the ability to manage interruptions. Agencies have the flexibility to choose from a diverse selection of over 72 voices from various providers, allowing them to select different models tailored to specific agents and scenarios. Its native integration with GoHighLevel facilitates direct connections between contacts, calendars, pipelines, opportunities, tags, custom fields, workflows, and sub-accounts, eliminating the need for middleware or Zapier-style solutions. Prior to responding, agents can access caller history and CRM context, which enhances the personalization of conversations right from the initial ring. This advanced approach not only streamlines communication but also significantly improves the overall customer experience.
API Access
Has API
API Access
Has API
Integrations
OpenAI
ElevenLabs
GPT-Realtime-1.5
Gemini 3.1 Flash Live
GoHighLevel
Grok
gpt-realtime
Integrations
OpenAI
ElevenLabs
GPT-Realtime-1.5
Gemini 3.1 Flash Live
GoHighLevel
Grok
gpt-realtime
Pricing Details
$0.40 per cached input
Free Trial
Free Version
Pricing Details
$97 per month
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
OpenAI
Founded
2015
Country
United States
Website
developers.openai.com/api/docs/models/gpt-realtime-2.1
Vendor Details
Company Name
Leadlock
Founded
2023
Country
United States
Website
www.leadlock.ai/