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What is actually happening in AI. Selected stories, context and opinion without the promotional noise.

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Price War on Mid-Tier Models Slashes Anthropic and OpenAI Costs by 80 Percent

OpenAI and Anthropic are aggressively cutting prices for enterprise clients. The rate for GPT-5.6 Luna drops by 80%, while Claude Opus 5 launches at half the price of its predecessor. Both companies are reacting to the pressure from highly accessible Chinese models by Moonshot and DeepSeek, though Ars Technica blocked access to full details.

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Claude gets hidden watermarks. Invisible in prose, but the model steps back for source code

Under pressure from European regulation, Anthropic is deploying the SynthID system for hidden watermarking of Claude outputs. While the statistical fingerprint will be practically undetectable in plain text, the company has to concede when generating source code. Where statistical noise would break the syntax, the watermark will not apply.