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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