Post
Lex
notesbylex.com
did:plc:hqp6m4ysm6fa52sz4yutt3mf
Shared a few notes on Anthropic's new Claude Haiku 5.5 model. https://notesbylex.com/claude-haiku-5-5
TL;DR - priced the same as GPT-6 Luna per token, although it uses about 1.5-1.7x as many tokens (same tokeniser as Opus 4.7). Token costs are also 5x higher when the prompt is over 100K tokens.
2026-10-07T21:17:18.567Z