Anthropic Reportedly Set to Ship Sonnet/Haiku 5.5 Ahead of OpenAI DevDay

Anthropic has confirmed Sonnet 5.5 and Haiku 5.5 will launch within weeks, with some viewing the timing as a preemptive strike before OpenAI DevDay. Community members however question the strategy, wondering how the models fit alongside Opus at similar pricing.

2026-09-26 ~ 2026-09-28 · 2 related posts