Professional Machine Learning Engineer

Build, deploy, and monitor production ML and generative AI solutions on Gemini Enterprise Agent Platform, and track your readiness for the Professional Machine Learning Engineer exam.

Expert

Prepare and test your skills

Expert

Prepare and test your skills

Concept

Time to First Token

Topic in 1 exam domain

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Also called: TTFT

A latency metric measuring the elapsed time before an LLM produces its first output token.

Where this appears on the exam

1 objective in 1 of 6 domains

Domain 4
Serving and scaling models
~20% of exam
1. 4.2Scaling online model serving
  - Tuning ML models for training and serving in production

How learners score on this topic

Last updated October 16, 2026

Professional Machine Learning Engineer

Build, deploy, and monitor production ML and generative AI solutions on Gemini Enterprise Agent Platform, and track your readiness for the Professional Machine Learning Engineer exam.

Expert

Prepare and test your skills

Expert

Prepare and test your skills

Concept

Time to First Token

Topic in 1 exam domain

X LinkedIn Facebook Reddit

Also called: TTFT

A latency metric measuring the elapsed time before an LLM produces its first output token.

Where this appears on the exam

1 objective in 1 of 6 domains

Domain 4
Serving and scaling models
~20% of exam
1. 4.2Scaling online model serving
  - Tuning ML models for training and serving in production

How learners score on this topic

Last updated October 16, 2026