# Ollama VRAM-tiered default num_ctx and v1 num_ctx dropping > CONTRADICTS claude-code-context-window-mismatch-against-local-servers.md on thresholds: docs.ollama.com/context-length lists under 24 GiB as 4k, 24-48 GiB as 32k and 48 GiB or more as 256k, while that dossier cites 23 GiB and 47 GiB from commit 0334ffa6. Parent: [Mac local LLMs: Ollama internals](https://llms-explorer.com/tree/mac-local-llms-ollama-internals/) · 1 facets · 1 facts · page: https://llms-explorer.com/tree/ollama-vram-tiered-default-num-ctx-and-v1-num-ct/ ## Corrections and disagreements - CONTRADICTS claude-code-context-window-mismatch-against-local-servers.md on thresholds: docs.ollama.com/context-length lists under 24 GiB as 4k, 24-48 GiB as 32k and 48 GiB or more as 256k, while that dossier cites 23 GiB and 47 GiB from commit 0334ffa6. — [source](https://docs.ollama.com/context-length)