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OpenAI

GPT-6 Sol and Luna Explained: How They Differ from Astra, What Is Behind the 50% Price Cut, API Migration, and Using Them in Codex

A complete guide to GPT-6 Sol and Luna: what is behind the halved API prices, how to compare them with Astra and Claude Opus 5.5, migration notes such as reasoning effort none and the surcharge above 272K input tokens, and availability in Codex and Copilot.

Codex CLI update error: Get-FileHash not found. Cause, successful update steps, and recovery with PowerShell 7.

AI Agents

Why the Codex CLI Update Failed on Windows with “Get-FileHash Not Found”—and How We Fixed It

Codex CLI’s Windows update failed because Get-FileHash could not be found. We traced the inherited PSModulePath and successfully updated from 0.154.0 to 0.156.1 using PowerShell 7.

LLM

Is GPT-6 Astra AGI? How It Differs from Claude Fable 5.1, Pricing, and What It Means for Your Work

What makes GPT-6 Astra stand out? We compare performance and pricing with Claude Fable 5.1, plus the ChatGPT Pro and Claude Max 20x plans, and share the AGI-like progress and what we noticed in real development, with diagrams.