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Models & Releases

What shipped, what changed, and what the published numbers mean in practice.

Showing 1 - 3 of 3 Articles

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Models & Releases

Anthropic's Claude Sonnet 5.5 is faster and cheaper per task, and beats its flagship on one benchmark

Anthropic released Claude Sonnet 5.5 on 28 September 2026. It runs more than 30% faster than Sonnet 5 and costs up to 30% less for most work, at the same per-token price. On Anthropic's own benchmarks it beats the flagship Opus 5.5 on one agentic test, though independent evaluations are not in yet.

September 28, 2026

Models & Releases

Musk says SpaceX will lead AI within six months. His own record says wait.

A pair of posts on Thursday put SpaceX ahead of OpenAI and Anthropic by spring. The claim is checkable, the timeline is not yet, and the man making it has missed deadlines this specific before.

September 24, 2026

Models & Releases

OpenAI just halved GPT-6 prices. Read the fine print before you celebrate.

GPT-6 Sol and Luna arrived at half the old rates, Anthropic answered with Opus 5.5 the same afternoon, and every benchmark chart in both launch posts was graded by its own vendor.

September 24, 2026