Architecture comparison

Magic vs Windsurf (Codeium)

Magic runs closer to the foundational model (Native (own / self-hosted weights)) than Windsurf (Codeium) (Direct API). No shared foundational model — different bets.

Magic

AI-coding

Proximity

Native (own / self-hosted weights)

Models

proprietary / self-built models

Cloud · datastore

GCP

Compliance

—

Architecture

Magic’s public evidence points to a proprietary, long-context model stack centered on its own LTM models rather than a packaged third-party LLM. The clearest infrastructure signal is a Google Cloud partnership for AI supercomputers, but the public record does not expose a full production data stack or compliance posture.

Windsurf (Codeium)

AI-coding

Proximity

Direct API

Models

Anthropic · ClaudeOpenAI · GPT

Cloud · datastore

AWSvectorPostgreSQL

Compliance

SOC 2

Architecture

AI IDE (formerly Codeium) routing to Claude + GPT over its own retrieval/indexing engine.

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