{"version":"2.1.197","anchor":"sonnet-5-added-to-the-1m-context-picker","canonical_anchor":"sonnet-5-added-to-the-1m-context-picker","heading":"Sonnet 5 Added to the 1M Context Picker","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.197\/e\/sonnet-5-added-to-the-1m-context-picker","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.197","markdown":"### Sonnet 5 Added to the 1M Context Picker\n\n**What**\n\nA \"Sonnet 5 (1M context)\" option now appears in the extended-context model picker, and the previous \"Sonnet (1M context)\" entry is renamed to \"Sonnet 4.6 (1M context)\".\n\n**Details**\n\n- New entry: `value: \"sonnet[1m]\"` \u2192 \"Sonnet 5 (1M context)\" \u2014 \"Sonnet 5 with 1M context window - for long sessions with large codebases\"\n- Renamed entry: `value: \"claude-sonnet-4-6[1m]\"` \u2192 \"Sonnet 4.6 (1M context)\"\n- Sonnet 5 has `native_1m` support on all 3rd-party providers (Bedrock, Vertex, Foundry, Gateway); availability is checked per-provider against a new `native_1m_3p` capability flag\n- The \"not available for your account\" error message updated from \"Sonnet 4.6 with 1M context is not available\u2026\" to \"Sonnet with 1M context is not available\u2026\"\n\n**Evidence**\n\nNew picker option (search for `\"Sonnet 5 (1M context)\"`); renamed entry (search for `\"Sonnet 4.6 (1M context)\"`); availability check function (search for `\"native_1m_3p\"`)"}