◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

GitHub vs GitLab

GitHub runs closer to the foundational model (Cloud-hosted (Bedrock/Vertex/Azure)) than GitLab (Cloud-hosted (Bedrock/Vertex/Azure)). No shared foundational model — different bets.

GitHub

DevTools

Proximity
Cloud-hosted (Bedrock/Vertex/Azure)
Models
OpenAI · GPT
Cloud · datastore
AzureMySQL (Vitess)RedisElasticsearch
Compliance
SOC 2FedRAMPISO 27001
Architecture

Owned by Microsoft and migrating into Azure; the monolith is Ruby on Rails over horizontally sharded MySQL (Vitess) with a custom Git backend (Spokes/DGit). Copilot is built on OpenAI.

GitLab

DevTools

Proximity
Cloud-hosted (Bedrock/Vertex/Azure)
Models
Anthropic · Claude
Cloud · datastore
GCPPostgreSQLRedis
Compliance
SOC 2ISO 27001FedRAMP (IL2 in progress)
Architecture

Single open-core Rails application on PostgreSQL, with GitLab.com running on GCP/GKE. GitLab Duo AI routes primarily to Anthropic and Google Vertex models.

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