{"version":"2.1.38","anchor":"opus-4-6-extended-context-messaging","canonical_anchor":"opus-4-6-extended-context-messaging","heading":"Opus 4.6 Extended Context Messaging","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.38\/e\/opus-4-6-extended-context-messaging","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.38","markdown":"### Opus 4.6 Extended Context Messaging\n\nClear error message when trying to use Opus 4.6 with 1M extended context on unsupported plans, with link to documentation.\n\n**Evidence**\n\nError message (search for `\"Opus 4.6 with extended context (1M) is not available\"`)"}