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FastRouter

GPT Realtime 1.5 API

FastRouter
About

Integrate multimodal vision capabilities using GPT Realtime 1.5, designed to process both text and images seamlessly. This model delivers cost-effective pricing at $4.00/1M input and $16.00/1M output tokens, native tool calling support. Access GPT Realtime 1.5 via the FastRouter API with up to 4K output tokens.

Capabilities

Input Modalities

textaudioimage

Output Modalities

textaudio
Reasoning
No
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
32K

Tokens

Input Limit
32K

Tokens

Max Output
4K

Tokens

Pricing

Standard (per 1M tokens)

Input
$4.00
Output
$16.00
Frequently Asked Questions

GPT Realtime 1.5 by FastRouter costs $4.00 per 1M input tokens and $16.00 per 1M output tokens.

Model Details
ID
openai/gpt-realtime-1.5
Provider
FastRouter
Family
gpt
Release Date
Jun 1, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
FASTROUTER_API_KEY
API Base URL
https://go.fastrouter.ai/api/v1
Documentation