# Scaling observability at Character.AI: thousands of GPUs, 10x logs, and 50% lower cost with ClickStack

DevFeed: [Scaling observability at Character.AI: thousands of GPUs, 10x logs, and 50% lower cost with ClickStack](<https://devfeed.tech/articles/scaling-observability-at-character-ai-thousands-of-gpus-10x-logs-and-50-lower-cost-with-clickstack-5557.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/scaling-observabilty-for-thousands-of-gpus-at-character-ai>)

Author: ClickHouse

Published: 2025-08-27T00:00:00Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [ai observability](<https://devfeed.tech/topics/ai-observability.md>), [debugging](<https://devfeed.tech/topics/debugging.md>)

Tags: [ai-infrastructure](<https://devfeed.tech/tags/ai-infrastructure.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cost](<https://devfeed.tech/tags/cost.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [logging](<https://devfeed.tech/tags/logging.md>), [logs](<https://devfeed.tech/tags/logs.md>), [observability](<https://devfeed.tech/tags/observability.md>), [search](<https://devfeed.tech/tags/search.md>), [sre](<https://devfeed.tech/tags/sre.md>)

## AI overview

Character.AI centralized observability with ClickHouse and ClickStack to monitor thousands of GPUs and more than 450 PB of monthly logs. The article describes faster log searches, improved visibility, and lower costs as log volume grew.

## Source excerpt

Discover how Character.AI scaled observability for thousands of GPUs, handling over 450PB of logs a month, by unifying logging on ClickStack - storing over 10x more data, while improving search performance and loweing costs by 50%.