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[AINews] Claude Haiku 5.5 — better than GPT-6 Luna at the same pricing

L4 · DeveloperModels & ReleasesLatent Space· 10/8/2026

Critical API pricing and performance benchmarking for developers choosing between major model providers

AI Summary

Anthropic released Claude Haiku 5.5, a small model priced to compete with GPT-6 Luna, featuring better performance at 75% lower cost than its predecessor.

Excerpt

yay small models

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Anthropic (@AnthropicAI): Claude Haiku 5.5, our latest model: https://t.co/a81H0avciK

Anthropic released Claude Haiku 5.5, a small model that's 75% cheaper and more capable than its predecessor.

L3 · BuilderModels & Releases@alexalbert__
Alex Albert (@alexalbert__): For reference, Haiku 4.5 came out on October 15th, 2025 so these two columns are less than a year apart. and oh yeah Haiku 5.5 is also much faster and 75% cheaper... https://t.co/1Zt19kdTYC

Anthropic's Haiku 5.5 is much faster, 75% cheaper, and shows significant performance improvements over Haiku 4.5 released less than a year ago.