Claude Fable 5.1 · default Fable, Copilot GA — from issue No. 022nofeed.dev
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Issue No. 022 · 2 September 2026
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Claude Fable 5.1 · default Fable, Copilot GA

1M context, $10/$50, $0.25 cache reads. Default Fable in Claude Code 2.1.257+; Copilot GA with retention-on-by-default and optional enterprise ZDR through year-end.145

MATTERS TO · Long-running agent work on Claude Code, API, or Copilot
WHAT THE VERDICT MEANS
Available, works, worth your time today.
Sources for this entry01 github — claude-code v2.1.257 (2026-09-02) · 02 github — claude-code v2.1.258 (2026-09-02) · 03 npm — @anthropic-ai/claude-code dist-tags (2026-09-02) · 04 GitHub Changelog — Fable 5.1 in Copilot (2026-09-02) · 05 Anthropic — platform release notes 1 Sep 2026 (2026-09-02) · 06 github — cline v4.1.17 (2026-09-02) · 07 github — cline desktop-v0.0.22 (2026-09-02) · 08 Reddit pulse — LocalLLaMA / ClaudeAI (2026-09-02) · 09 GitHub Changelog — Copilot approve PRs (2026-09-02) · 10 github — openai/codex rust-v0.152.1 (2026-09-02)

Also in this issue

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Use itClaude Code 2.1.258 · Monterey + remote session fixes
Use itCline 4.1.17 · Hub memory balloon + Fable default

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