← All sources

Toss news

The latest AI and developer news from Toss, with short summaries.

Visit website →

PickToss Securities: Building a GPU-Native Cluster Beyond the Limits of GPU-Awareness

Toss Securities shared its experience of overcoming the limitations of GPU-awareness by building a GPU-native cluster equipped with validation and resource control capabilities.

·2026.09.15 10:00

Toss Bank Decides to Postpone App Router Adoption: Migration Costs Outweigh Benefits

Toss Bank decided to retain Pages Router after experimental adoption of App Router revealed that operational costs exceeded the benefits.

·2026.09.09 15:00

PickToss Bank Introduces 'Stylepack' Feedback Loop to Resolve Coding Agent Team Rule Violations

Toss Bank developed 'Stylepack' to resolve Coding Agent team rule violations by injecting rules immediately after file creation and at session termination.

·2026.09.08 11:00

Toss Systematizes Knowledge Management with AI-Integrated Internal Documentation Platform 'todoc'

Toss has built a knowledge management system through its internal documentation platform 'todoc', which supports AI integration and automated validity management.

·2026.09.07 15:00

Creating Roles That Did Not Exist Before

Toss's technical documentation team is expanding its role from simple documentation to designing organization-specific knowledge systems, automating knowledge through the internal platform 'todoc'.

·2026.09.07 15:00

Toss Improves Developer Documentation Accessibility with RAG-based Chatbot 'Mr. Park' and Documentation Automation Tool 'Sillokbot'

Toss introduced the RAG-based chatbot Mr. Park and the automation tool Sillokbot to reduce developers' burden of searching for documentation and improve knowledge-sharing efficiency.

·2026.09.07 15:00

Toss Unveils AI Admin Creation Platform 'TOI'… Achieves 1.3s Loading with In-Browser Preview Runtime

Toss has unveiled TOI, an AI-based admin creation platform, and reduced first-screen loading time to 1.3 seconds by implementing an in-browser Preview Runtime.

·2026.09.04 17:00

Toss QA Redesigns Hotfix Criteria for Gradual Rollouts and Introduces AI-Based Crash Analysis

The Toss QA team shifted hotfix decision criteria from priority to go/no-go status to align with gradual rollout environments, introducing an AI-based crash reproduction tool and an automated logging system.

·2026.08.28 17:00

How Are Toss Securities' Recommendation and Search Evolving?

Toss Securities introduces the process of advancing its recommendation and search systems toward real-time personalization and RAG-based architectures.

·2026.08.26 10:00

LLM Serving: The Difference Between Launching and Launching Well

Toss Securities improved service stability by refining LLM serving monitoring metrics and addressing framework bugs.

·2026.08.21 10:00

Building an Ad Dashboard That Keeps All Data in the Browser

Toss moved filtering and sorting for its ad dashboard from the server to the browser, improving navigation speed and UX.

·2026.08.20 10:00

How Toss Integrated Games into Ads

Toss directly implemented MRAID-standard-based playable ads to improve game ad performance.

·2026.08.18 10:00

How AI Delivers Investment Information

Toss Securities designed three gates before and after generation to ensure the reliability of financial AI.

·2026.08.13 10:00

Is Toss's Speed and Quality Sufficient with Commercial Tools? — Tossion

Toss has built its own platform, Tossion, which integrates QA data and AI-based release verification.

·2026.08.11 10:00

The Hope of Monorepos: How a Repository of Despair Became Hope Again in One Year

Toss resolved monorepo fragmentation by using a catalog to unify dependency versions.

·2026.08.10 11:00

How DS and MLE Work Together

Toss Bank standardized collaboration criteria between DS and MLE into an interface.

·2026.08.03 12:00

LLMs are smart, so why don't they know our company's work

Toss built a 'Topic' system that connects documents, code, and messenger conversations so LLMs can accurately understand internal company information, managing trustworthy context.

·2026.07.30 14:00

Toss builds its own device farm

Toss built its own device farm, 'Nebula,' which can control hundreds of real devices with just an API call.

·2026.07.30 11:00

While someone tests Toss, we build the way to test

The Toss QA Platform team introduces Tossion, its in-house QA platform built to maintain quality amid weekly large-scale deployments with recurring changes.

·2026.06.26 09:00

es-toolkit: How a Small Internal Library Became a Global Project

This covers how es-toolkit, once an internal utility library at Toss, grew into a global project through performance optimization.

·2026.06.24 12:00