artificialbuilds

Comparison

Claude Opus 5.5 vs GPT-6 Astra

People have published 201 builds with Claude Opus 5.5 and 137 with GPT-6 Astra, overlapping in 8 use cases. Claude Opus 5.5 has more animation videos, 3d graphics examples; GPT-6 Astra has more games.

Claude Opus 5.5

First model in Anthropic's Claude 5.5 family. Positioned for agentic coding, knowledge work and long tasks; priced at $4/$20 per million input/output tokens, about 30% faster output than Opus 5, and top scores on Anthropic's behavioral alignment audit.

201
Entries: 186
Creators: X, Reddit, GitHub
Top source

OpenAI's flagship GPT-6 model, released 2026-09-03 and pitched as its most intelligent and aligned yet, with state-of-the-art results on long-running computer-use benchmarks and ARC-AGI-3. Available in ChatGPT, Codex and the API; it powers products such as Dots and ChatGPT Work.

137
Entries: 128
Creators: X, GitHub, YouTube
Top source

Same use case, side by side

Use caseClaude Opus 5.5GPT-6 Astra

Games

Claude Opus 5.5 · 45 entriesBrowser game pipeline chaining Blender, image generation and three.js

GPT-6 Astra · 50 entriesAstra one-shots a 3D game in 45 minutes with generated art

Animation videos

Claude Opus 5.5 · 58 entries"I'm Upping My P(doom)" music video, full source

GPT-6 Astra · 10 entriesCan ChatGPT 6 Astra Edit better than a Real Video Editor ?

3D graphics

Claude Opus 5.5 · 22 entriesTidewater: a coastal town built with Opus 5.5

GPT-6 Astra · 17 entriesRuntime-generated 3D trains in Three.js with no model files

Design

Claude Opus 5.5 · 14 entriesGlitter sticker shader effect, Opus 5.5 versus GPT-6 Sol

GPT-6 Astra · 11 entriesI tested GPT Astra for 3D Modeling - This is Getting Serious

Coding

Claude Opus 5.5 · 8 entriesOmarchy screensaver engine ported from Rust to x86-64 assembly

GPT-6 Astra · 11 entriesGPT 6 Astra - End of Developers?

Education

Claude Opus 5.5 · 13 entriesInteractive camera-lens lab built in one shot

GPT-6 Astra · 4 entriesInteractive 3D anatomy site with 2,234 modelled pieces

Agents

Claude Opus 5.5 · 10 entriesOpus 5.5 splits a launch video across 12 laptops

GPT-6 Astra · 5 entriesUnreal Engine world filled with Astra-powered agents who must survive

Productivity

Claude Opus 5.5 · 6 entriesInteractive slides where figures recalculate live

GPT-6 Astra · 6 entriesI Tested GPT-6 Astra With 5 Impossible Tasks!

Top builds with Claude Opus 5.5

1
Warehouse management software styled like a strategy gameon X:Dilum Sanjaya· 24.4K likes24.4K likes
2
"I'm Upping My P(doom)" music video, full sourceon GitHub:John Heibel· 1.9K stars1.9K stars
3
Awesome Opus 5.5 Videos (prompt gallery)on GitHub:yihui-dev· 1.5K stars1.5K stars
4
Opus 5.5 motion-designer showreel from one Max-effort prompton X:Stephan Livera· 17.1K likes17.1K likes
5
12-hour overnight run: Opus 5.5 plus Midjourney and a moodboardon X:anabology· 15.9K likes15.9K likes

Top builds with GPT-6 Astra

1
Interactive 3D anatomy site with 2,234 modelled pieceson X:ashe· 53.4K likes53.4K likes
2
Astra breaks a 217-year-old cipher to a Napoleonic generalon X:Carter Church· 11.9K likes11.9K likes
3
GPT 6 Astra - End of Developers?on YouTube:CodeWithHarry· 3.8M views3.8M views
4
Unreal Engine world filled with Astra-powered agents who must surviveon X:Matt Shumer· 28.3K likes28.3K likes
5
Astra reads a never-deciphered 1918 German radio messageon X:prinz· 12.4K likes12.4K likes