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Haiku 5.5 vs Opus 5.5: cloth physics animation compared

Given the same prompt, Haiku 5.5 and Opus 5.5 each built a cloth physics animation, and the author compares their time and cost.

noclipepe
@noclipepeArchived 17 days agoOriginally posted 2026.10.10
noclipepe @noclipepeOriginally posted 2026.10.10
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HAIKU 5.5 JUST FOUND OUT WHY OPUS COSTS MORE. 💰 Cloth physics from 4 to 4,096 faces. Haiku 5.5 — 63:13 · 286.9K tokens · ~$3.08 Opus 5.5 — 51:43 · 194.0K tokens · ~$10.62 Same prompt. Both built from scratch via http://aimlapi.com. Opus wins for me. Is the difference worth 3.4× the cost?

This post quotes another post: x.com/noclipepe/status/2102572756353061250

x.com/noclipepe/status/2108658794410762502Archived 2026.10.11 10:05