MODEL3 stories
Claude Opus 5
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Filter storiesWORKFLOW30th July
Opus 5 builds single-file Three.js browser game prototypes through Codex
Meng To used Opus 5 through Codex and Claude Code to rebuild Sakura Crossing as a single-file Three.js scene. Other demos show one-prompt Fallout-style RPGs and a Pool Rooms survival-horror level.
WORKFLOW28th July
Opus 5 reportedly builds playable Godot car-soccer prototype in 1.5 days
LLMJunky demoed Slopet League, a Rocket League-style prototype in Godot, saying Opus 5 made the map, physics, effects, and animations. He says GPT 5.6 Sol made car meshes and the build took about 1.5 days.
RELEASE24th July
Anthropic ships Claude Opus 5 in Claude Code and the API
Anthropic launched Claude Opus 5 for Claude Code and the API with high-effort defaults, fast mode, migration tooling, mid-conversation tool changes, and routing fallback. The model scored 43.3% on Frontier-Bench v0.1.