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What are the most effective strategies for reducing Time To First Token when orchestrating large language models through custom proxies?

ChatGPTgpt-62 queries10/31/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What are the most effective strategies for reducing Time To First Token when orchestrating large language models through custom proxies?
2 real searches · 1 real-search pass
large language model inference time to first token optimization prompt caching streaming connection pooling proxy latency official documentationGoogle ↗
OBSERVEDComparison
Envoy proxy latency performance connection pooling HTTP/2 upstream streaming best practicesGoogle ↗
OBSERVEDComparison

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (2)
Short factOther / navigationalComparison100%ConsequenceReasonDefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
large language model inference time to first token optimization prompt caching streaming connection pooling proxy latency official documentation Google ↗
Envoy proxy latency performance connection pooling HTTP/2 upstream streaming best practices Google ↗
  1. Connection pooling · envoyproxy.io
  2. Prompt caching · developers.openai.com
  3. Gemini API optimization and inference  |  Google AI for Developers · ai.google.dev
  4. Latency optimization · developers.openai.com
  5. Metrics · docs.nvidia.com

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
large language model inference time to first token optimization prompt caching streaming connection pooling proxy latency official documentation
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1
Envoy proxy latency performance connection pooling HTTP/2 upstream streaming best practices
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1