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At a conservative 1,000 tokens per source file, 10 million files is roughly 10 billion tokens. A 1 million token window holds 0.01% of that, and a 10 million token window holds 0.1%. Closing that by scaling needs something like a 10,000x increase rather than a 10x one, and quality per token moves against you while you try.
When Augment exposed its context engine over MCP in February 2026, Claude Code on Opus 4.5 gained around 80% on quality and Cursor gained around 71%, with code completeness up 60% and correctness improved fivefold. Somebody else measured that, on somebody else's product, and it is the strongest evidence anyone has produced that context architecture matters more than model selection. Here is where our architecture diverges from theirs.
Vector embeddings treat code like english prose. AST parsers see structure but not meaning. Raw LLMs forget everything every session. Here is why the LLM compiler pattern with a persistent semantic graph is the only approach that actually works for cross-repository code intelligence, and why open source models at $7 per 1000 files make it practical today.
