AI Gateway Updates & Release Notes

We are excited to announce that AI Gateway now supports real-time AI interactions with the new Realtime WebSockets API.

This new capability allows developers to establish persistent, low-latency connections between their applications and AI models, enabling natural, real-time conversational AI experiences, including speech-to-speech interactions.

The Realtime WebSockets API works with the OpenAI Realtime API ↗︎, Google Gemini Live API ↗︎, and supports real-time text and speech interactions with models from Cartesia ↗︎, and ElevenLabs ↗︎.

Here's how you can connect AI Gateway to OpenAI's Realtime API ↗︎ using WebSockets:

OpenAI Realtime API examplejavascript

import WebSocket from "ws";

const url =
	"wss://gateway.ai.cloudflare.com/v1/<account_id>/<gateway>/openai?model=gpt-4o-realtime-preview-2024-12-17";
const ws = new WebSocket(url, {
	headers: {
		"cf-aig-authorization": process.env.CLOUDFLARE_API_KEY,
		Authorization: "Bearer " + process.env.OPENAI_API_KEY,
		"OpenAI-Beta": "realtime=v1", …

AI Gateway now includes Guardrails, to help you monitor your AI apps for harmful or inappropriate content and deploy safely.

Within the AI Gateway settings, you can configure:

• Guardrails: Enable or disable content moderation as needed.
• Evaluation scope: Select whether to moderate user prompts, model responses, or both.
• Hazard categories: Specify which categories to monitor and determine whether detected inappropriate content should be blocked or flagged.

Guardrails in AI Gateway

Learn more in the blog ↗︎ or our documentation.

AI Gateway adds additional ways to handle requests - Request Timeouts and Request Retries, making it easier to keep your applications responsive and reliable.

Timeouts and retries can be used on both the Universal Endpoint or directly to a supported provider.

Request timeouts A request timeout allows you to trigger fallbacks or a retry if a provider takes too long to respond.

To set a request timeout directly to a provider, add a cf-aig-request-timeout header.

Provider-specific endpoint examplebash

curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/workers-ai/@cf/meta/llama-3.1-8b-instruct \
 --header 'Authorization: Bearer {cf_api_token}' \
 --header 'Content-Type: application/json' \
 --header 'cf-aig-request-timeout: 5000'
 --data '{"prompt": "What is Cloudflare?"}'
``` …

AI Gateway has added three new providers: Cartesia, Cerebras, and ElevenLabs, giving you more even more options for providers you can use through AI Gateway. Here's a brief overview of each:

• Cartesia provides text-to-speech models that produce natural-sounding speech with low latency.
• Cerebras delivers low-latency AI inference to Meta's Llama 3.1 8B and Llama 3.3 70B models.
• ElevenLabs offers text-to-speech models with human-like voices in 32 languages.

Example of Cerebras log in AI Gateway

To get started with AI Gateway, just update the base URL. Here's how you can send a request to Cerebras using cURL:

Example fetch requestbash

curl -X POST https://gateway.ai.cloudflare.com/v1/ACCOUNT_TAG/GATEWAY/cerebras/chat/completions \ …

We have released new Workers bindings API methods, allowing you to connect Workers applications to AI Gateway directly. These methods simplify how Workers calls AI services behind your AI Gateway configurations, removing the need to use the REST API and manually authenticate.

To add an AI binding to your Worker, include the following in your Wrangler configuration file:

Add an AI binding to your Worker.

With the new AI Gateway binding methods, you can now:

• Send feedback and update metadata with patchLog.
• Retrieve detailed log information using getLog.
• Execute universal requests to any AI Gateway provider with run.

For example, to send feedback and update metadata using patchLog:

Send feedback and update metadata using patchLog:

AI Gateway now supports DeepSeek, including their cutting-edge DeepSeek-V3 model. With this addition, you have even more flexibility to manage and optimize your AI workloads using AI Gateway. Whether you're leveraging DeepSeek or other providers, like OpenAI, Anthropic, or Workers AI, AI Gateway empowers you to:

• Monitor: Gain actionable insights with analytics and logs.
• Control: Implement caching, rate limiting, and fallbacks.
• Optimize: Improve performance with feedback and evaluations.

AI Gateway adds DeepSeek as a provider

To get started, simply update the base URL of your DeepSeek API calls to route through AI Gateway. Here's how you can send a request using cURL:

Example fetch requestbash

curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/deepseek/chat/completions \
 --header 'content-type: application/json' \
 --header 'Authorization: Bearer DEEPSEEK_TOKEN' \
 --data '{
    "model": "deepseek-chat",
    "messages": [
        {
            "role": "user",
            "content": "What is Cloudflare?"
        }
    ]
}'
``` …