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how to lower llm ttft
# ask-ai
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how to lower llm ttft
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Thanks for reaching out, Harshita. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
To help bring down the LLM TTFT (Time To First Token) in LiveKit, here are some friendly tips you might find useful: • Network Proximity Optimization: Try to keep your agent close to the LLM service to cut down on network delays. • Provider-Specific Optimizations: It’s a good idea to peek at your LLM provider’s docs—they often have handy tips tailored just for their service. • Performance Monitoring: Keep an eye on the 
AGENTS_LLM_TTFT
metric using the Agents metrics API. It shows how long it takes to get that first token from the LLM. • Implementation Considerations: When you set up LLM streaming, TTFT is collected automatically and you can track it easily through LiveKit’s metrics system. By regularly checking your TTFT and tweaking things like network setup and provider choice, you’ll be on your way to smoother, faster responses for your use case. Sources: Sources/LiveKit/Protos/livekit_metrics.pb.swift | livekit-protocol/src/livekit.rs | README.md | agents/src/llm/llm.ts
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how do i lower it
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Could you share a bit more about your current setup? For example: • Which LLM provider are you using? • Are you already keeping an eye on the 
AGENTS_LLM_TTFT
metric? • Do you have any control over the network proximity between your agent and the LLM service? Knowing this will help me give you advice that’s more tailored to lowering TTFT.
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why we use livkit region pinning
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LiveKit region pinning is mainly here to help you stay on the right side of local rules and data residency needs. Here’s why it matters: • Compliance with Local Telephony Regulations: It keeps network traffic within certain regions to follow local telephony laws, making sure calls stay inside national borders. • Data Residency Requirements: It supports regulations like GDPR by ensuring data processing happens within specific geographical areas. • Control Over Call Routing: It gives you more control over how calls are routed, which can be really handy for meeting compliance or operational goals. Region pinning is especially useful for telephony apps and when you’re using LiveKit realtime SDKs. Just a heads-up: turning it on means automatic failover to other regions is turned off, so it focuses on compliance rather than redundancy. Sources: Region pinning | LiveKit Docs | SIP troubleshooting guide | LiveKit Docs | SIP cloud and region pinning | LiveKit Docs
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