Claude Fable 5.1 vs Mythos 5.1: access, pricing and coding use
Understand Fable 5.1 and Mythos 5.1, who can use each, the Claude API model name, and why cache-read pricing is not your whole coding bill.
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Model routing
2 research articles and engineering guides tagged “Model routing”. Each opens with a concise answer and links to primary evidence.
GPT-6 Astra for coding: Codex, API and Copilot access explained
Where to use GPT-6 Astra, its API model ID and pricing, eligible Copilot plans, and what to check before switching a coding workflow.
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