Claude Opus 5 nearly matches Fable 5 on CursorBench at half the cost
eyishazyer · x · 2026-07-25
On CursorBench, Claude Opus 5 lands within 0.5% of Fable 5’s peak score at half the cost per task.
The quoted reply says Cursor’s co-founder independently backed the result and described Opus 5 as just under Fable 5 while showing many of the same behaviors. The chart compares Opus 5, Fable 5, Opus 4.8, and GPT-5.6 Sol across effort levels.
Related event: Claude Opus 5 Lands in Cursor at Half the Cost(3 posts)→
More from coding & agent
- Local agent beats Hermes on GAIA Level 1 while running fully in llama.cpp — HeyAmit_ · 2026-07-25
- Every Codex or Claude Code complaint turns into a product pitch in the replies — dejavucoder · 2026-07-25
- Grok teases a modular VS Code extensions model for extensible agent fleets — dee_hw · 2026-07-25
- Opus 5’s coding scores reportedly drop above “high” effort, not at max — hero88645 · 2026-07-25
- Animam ships a multi-tenant AI agent platform with widget, API, voice, and MCP — animam-tech · 2026-07-25
- Andrew Chen asks whether anyone is actually coding inside Claude and ChatGPT desktop apps — andrewchen · 2026-07-25