AISystem

Claude Haiku 5.5

Anthropic model reported to cost one-tenth of its predecessor.

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to October 9, 2026 (theinnermostloop.substack.com)
Source linked by the October 9 issue (www.anthropic.com)

Anthropic model reported to cost one-tenth of its predecessor. Reported in the October 9 newsletter; not independently verified.

Visit resource ↗

Development timeline

Newest reporting dates first. Reporting dates may differ from event dates.

2026-10-09: Claude Haiku 5.5 reportedly costs one-tenth as much

Knowledge graphopen in browser →

Developed by

Anthropic

Cite or correct this record

Citation formatCitation text

Claude Haiku 5.5
Innermost Loop KB — secondary record
Reporting date: unknown
KB permalink: https://nicholsn.github.io/innermost-loop-kb/systems/claude-haiku-5-5
Attributed sources:
- Welcome to October 9, 2026 — https://theinnermostloop.substack.com/p/welcome-to-october-9-2026
- Source linked by the October 9 issue — https://www.anthropic.com/claude-haiku-5-5
This citation does not imply independent verification of linked-source claims.

Suggest a correction — opens a GitHub draft for you to review and submit.