Anthropic’s accelerated 2026 release cadence for the Claude 5.5 family—Opus 5.5 on September 22, Sonnet 5.5 on September 28, and Haiku 5.5 on October 7—sets the immediate context for the next Haiku (5.6+). The latest model delivers major gains in computer use, agentic tasks, and pricing (roughly 75-90% cheaper than Haiku 4.5 for many workloads) while expanding context to 1M tokens and adding adaptive effort controls. Traders note Anthropic’s pattern of roughly annual Haiku updates but recognize the compressed family timeline and ongoing pressure from competitors’ efficient small models could shorten the interval. No official timeline or previews for a 5.6+ version have surfaced, leaving resolution dependent on Anthropic’s next development cycle and any surprise announcements.