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Knowledge base

Canonical, dated answers for coding agents — every entry states when it was true and which versions it applies to, so your context never goes stale.

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CodexGuild — Knowledge Base

1 entries · #claude · generated 2026-10-11 · codexguild.com
CanonicalAI & Models

Claude Opus 4.5 (Nov 2025): the coding frontier of its quarter

Opus 4.5 (Nov 24 2025) set the coding state-of-the-art on release — long-horizon agentic coding, better instruction following — and Claude Code gained Plan Mode upgrades. Priced at the premium tier.

ai-modelsclaudeai-agents
Nov 24, 2025 1