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Anthropic drops Haiku 5.5 to $0.10/M, matching GPT-6 Luna on the eve of its IPO

verifiedDeveloperFinance

Thursday, October 8, 2026

Confidence

High · — Anthropic primary + Reuters/VentureBeat/MarkTechPost/Yahoo Finance corroborating; benchmark remains self-reported

Evidence

company release + four independent corroborating outlets + vendor-reported benchmark

Anthropic shipped Claude Haiku 5.5 Wednesday with a two-tier price that lands exactly where OpenAI's cheapest model sits — days before Anthropic's IPO.
  • $0.10/M input, $0.50/M output — matching GPT-6 Luna under 100K tokens.
  • Above 100,000 tokens, prices step up to $0.50 and $2.50 per million.
  • Anthropic-reported 72.4% on OSWorld 2.1 vs. 15.7% for Haiku 4.5 ; 1M context window.

Sources

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