Oh? ! Claude Design x Opus 5 Mont Saint Michel
Isn't it pretty good? ! Well, if you search for the real thing, that's it 😂
Harness-bench with e2b and herdrdev
Compare Claude Opus 5 vs Codex GPT 5.6 Sol performance when debugging an ambiguous parsing edge case. Give each its own E2B sandbox, so you can spin up as many harness evals as you want in parallel. Results we got from our run: - Opus used
Opus 5 (Extra high)
Procedural Three.js TSL forest FPS prototype (Vite + WebGPU, zero external assets) Light and shadow look better than Grok 4.6? • 195M tokens (97.3% cache) • $160.59 official Build cost • 6h 48m active agent time
Anthropic says Claude's text watermark applies to models launched on or after August 2, 2026.
Every selectable model, including Opus 5, launched before that. Detection tooling is still forthcoming, so nobody can verify the GitHub removal tools.
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