# Anthropic and OpenAI roll out cheaper models in first release since call for slowdown

> Source: <https://www.machinebrief.com/news/anthropic-and-openai-roll-out-cheaper-models-in-first-releas-jlzt>
> Published: 2026-09-22 18:28:28+00:00

Home/NewsAnthropic and OpenAI roll out cheaper models in first release since call for slowdownSeptember 22, 2026Source: CNBC TechnologyShare:OpenAI introduced GPT-6 Sol and GPT-6 Luna. Anthropic unveiled Claude Opus 5.5.Share this article:Get AI news in your inboxDaily digest of what matters in AI.SubscribeKey Terms ExplainedAnthropicAn AI safety company founded in 2021 by former OpenAI researchers, including Dario and Daniela Amodei.ClaudeAnthropic's family of AI assistants, including Claude Haiku, Sonnet, and Opus.GPTGenerative Pre-trained Transformer.OpenAIThe AI company behind ChatGPT, GPT-4, DALL-E, and Whisper.