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Four Models Benchmarked on 3D Generation: Opus Quality vs Astra Speed
A developer benchmarked four models on the same 3D generation task, finding Opus leads in design quality while Astra is faster and cheaper but shows quality decline, concluding that skill-heavy one-shot generation beats iterative fixing.
2026-09-13 ~ 2026-09-13 · 4 episodes · 8 posts
Episode 1 · Four-Model 3D Test: Opus Leads in Design but Costs 3x Astra's Time and Tokens (2026-09-13, 2 posts)
A four-model comparison on the same 3D dandelion prompt ranks Opus first, with sub-high effort deemed not worthwhile; Opus's design beats Astra at roughly 3x the time and token cost.
- One-Prompt 3D Test Ranks Opus 5 vs Astra 6: Never Bother With Low Effort — chaseleantj · 2026-09-13
- Opus Beats Astra on Design Quality, But Costs 3x Time and Tokens — chaseleantj · 2026-09-13
Episode 2 · AI Can't One-Shot Polished 3D: Manual Iteration and Reference Images Are Key (2026-09-13, 2 posts)
The author finds no model can one-shot a polished 3D result, requiring manual curation and a 17-minute merge, while adding reference images improved detail but raised output from 153k to 252k tokens.
- Adding an image reference to skill-based 3D generation: 153k to 252k tokens, better details — chaseleantj · 2026-09-13
- No prompt one-shots a polished 3D asset — human-judgment iteration took 17 more minutes — chaseleantj · 2026-09-13
Episode 3 · 3D Generation Tests: Upfront Techniques Beat Iterative Fixes as Astra Quality Slips (2026-09-13, 2 posts)
The author concludes that skill- and reference-based one-shot generation beats iterative fixing on both quality and token cost, and confirms community reports that Astra's quality has declined versus Opus.
- Better AI 3D output costs more upfront but saves tokens and time vs. endless iteration — chaseleantj · 2026-09-13
- Reports mount that Astra quality has dropped; 14-minute run still loses to Opus — chaseleantj · 2026-09-13
Episode 4 · Hands-on: Opus Beats Astra in Quality, but Astra Is 4x Faster and 10x More Token-Efficient (2026-09-13, 2 posts)
Hands-on tests show Astra's quality has declined and still lags Opus even at high effort with skills and reference images, though it runs 4x faster and is over 10x more token-efficient.
- Astra Is 4x Faster and Over 10x More Token-Efficient Than Opus, Author Notes — chaseleantj · 2026-09-13
- Opus beats Astra on one-shot 3D quality; Astra is 4x faster and 10x more token-efficient — chaseleantj · 2026-09-13