Tech & Innovation
Key Contributors: Moein Hasani, Hamidreza Shahidi, Trace Levinson, Guanghua Shu Introduction At Instacart, we are laser-focused on improving the user experience by making shopping feel easy, engaging, and personalized. Our discovery surfaces play a central role in bringing this to life. Alongside explicit Search intents, discovery is our opportunity to meet customers’ implicit needs, presenting them with the most relevant and inspiring content we have...
Feb 26, 2026
Read time: 16 min
Tech & Innovation
Author: Jeff Wu Key Contributors : Lily Sierra, Nour Alkhatib, Steven Gross, Jacquelene Obeid, Kyle Swint, Monta Shen, Gary Song, Riddhima Sejpal, Jatin Jain, Shishir Kumar Prasad, Ayesha Saleem Introduction Millions of people rely on...
Jun 11, 2025
Read time: 13 min
Tech & Innovation
Authors: Ankit Mittal, Vinesh Gudla, Guanghua Shu, Akshay Nair, Tejaswi Tenneti, Andrew Tanner In a previous blog post “ Improving search at Instacart using hybrid recall ”, we shared our progress on adaptively combining traditional...
May 29, 2025
Read time: 13 min
Tech & Innovation
Author: Ben Bernard The universe of the current Large Language Models (LLMs) engineering is electrifying, to say the least. The industry has been on fire with change since the launch of ChatGPT in November of...
Mar 24, 2025
Read time: 17 min
Tech & Innovation
How we developed a unified marketplace balancing engine with machine learning and optimization. Written by Trace Levinson , Senior Machine Learning Engineer. The Instacart Marketplace team is deeply focused on producing both timely, high-quality deliveries...
Apr 12, 2024
Read time: 10 min
Tech & Innovation
Authors: Cheng Jia , Peng Qi , Joseph Haraldson , Adway Dhillon , Qiao Jiang , Sharath Rao Introduction Instacart Ads and Ranking Models At Instacart Ads, our focus lies in delivering the utmost relevance...
Dec 19, 2023
Read time: 13 min
Tech & Innovation
Authors: Rajpal Paryani , Han Li , Sahil Khanna , Walter Tuholski Background Griffin is Instacart’s Machine Learning (ML) platform, designed to enhance and standardize the process of developing and deploying ML applications. It significantly...
Nov 22, 2023
Read time: 10 min
Tech & Innovation
Authors: Han Li , Sahil Khanna , Jocelyn De La Rosa , Moping Dou , Sharad Gupta , Chenyang Yu and Rajpal Paryani Background About a year ago, we introduced the first version of Griffin,...
Nov 22, 2023
Read time: 9 min
Tech & Innovation
Tilman Drerup , Levi Boxell, and Robert Fletcher Tech firms are increasingly choosing to hire graduates from PhD programs in economics [ 1 , 2 , 3 ]. In this blog post, we present the...
Nov 22, 2023
Read time: 8 min
Tech & Innovation
By Zain Adil, Kevin Lei and Ada Cohen Over the past few months, we’ve been building an internal AI assistant powered by OpenAI’s GPT-4 and GPT-3.5 models called Ava. Ava has seen accelerated adoption at...
Sep 7, 2023
Read time: 7 min