Claude model updates

Claude Opus 5.5 for your most complex work

Move complex code, long documents, reports and proposals forward. Choose Pro, Max (formerly Max 5x) or Ultra (formerly Max 20x) to match the work you want to keep doing.

October 31, 2026

Service notice

Claude Opus 5.5 is here: move complex code, documents and proposals forward

Code needs another pass, documents keep piling up, or a proposal needs to start over? Claude Opus 5.5 is built for complex coding and long-running knowledge work, helping you refine multi-file changes, distill long documents and write clearer, more natural reports and proposals. For today's purchase, choose Pro for everyday writing, coding and document work, Max (formerly Max 5x) for frequent complex tasks, or Ultra (formerly Max 20x) for sustained Claude Code sessions and research. Anthropic released Opus 5.5 on September 22, 2026, with Pro and Max access at release. Actual model access, features and usage follow the target account, Anthropic's current rules and the selected product terms.

October 31, 2026

Model update

Claude Fable 5.1 is here for complex coding and long-running work

Writing complex code, running deep research, working through long documents, or keeping a demanding project moving? Claude Fable 5.1 is built for these workloads. At its September 1, 2026 release, Anthropic listed Pro, Max, Team, and Enterprise as eligible plans. For today's purchase, start with Pro for everyday work, choose Max (formerly Max 5x) for frequent complex tasks, or Ultra (formerly Max 20x) for heavy long-running projects. Actual model access, features, and limits depend on the target account and Anthropic's current rules.

August 9, 2026

Service notice

Independent subscription assistance

GuideWhale provides independent Claude subscription assistance and is not officially affiliated with Anthropic or related brand owners. Product, price, term, eligibility, and warranty details are the live facts shown at checkout.