{"version":"2.1.163","anchor":"velvet-falcon-model-detection-in-development","canonical_anchor":"velvet-falcon-model-detection-in-development","heading":"Velvet Falcon Model Detection [In Development]","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.163\/e\/velvet-falcon-model-detection-in-development","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.163","markdown":"### Velvet Falcon Model Detection [In Development]\n\n**What**\n\nInfrastructure to detect and handle a new internal model variant identified as \"velvet falcon.\"\n\n**Status**\n\nGated by `tengu_velvet_falcon_model` feature flag; also overrideable via `CLAUDE_CODE_VELVET_FALCON` environment variable.\n\n**Details**\n\n- The model string is fetched from `clientDataCache.velvet_falcon_model` first, then from the feature flag.\n- Detection returns true when the session's model string includes the configured identifier.\n\n**Evidence**\n\nDetection function (search for `\"tengu_velvet_falcon_model\"` and `\"CLAUDE_CODE_VELVET_FALCON\"`)\n\n- Flag `tengu_velvet_falcon_model`: Not enough to say (read for one account on one subscription tier against v2.1.163; this account: no value returned, anonymous baseline: no value returned, compiled default: not a boolean we can read) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release."}