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Haiku 5.5's $0.10 only covers prompts up to 100K, and with a tokenizer that counts about 30% more, your old 77K prompt is already standing at the price cliff.
Marcus Ide
·
October 10, 2026
Anthropic launched Claude Haiku 5.5 (model ID claude-haiku-5-5) on October 7, 2026, describing it as its cheapest and fastest small model to date, aimed at summaries, context Compaction in Claude Code, classification and Subagent tasks. Claude Code v2.1.293 made it the default Haiku model on the Anthropic API the same week.Specs and Pricing: 100K Is the Dividing LineHaiku 5.5 offers a 1M-Token...