artificialbuilds

Comparison

GPT-6.1 Sol vs GPT-6 Astra

People have published 44 builds with GPT-6.1 Sol and 137 with GPT-6 Astra, overlapping in 8 use cases. GPT-6.1 Sol has more coding examples; GPT-6 Astra has more games, 3d graphics.

Successor to GPT-6 Sol, announced at OpenAI DevDay on 2026-09-29 with near-Astra intelligence for a fifth of the price: $2 input and $10 output per million tokens, a 1.05M-token context window and five reasoning levels. Rolled out in ChatGPT Work, Codex and the API.

44
Entries: 42
Creators: GitHub, YouTube, X
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 caseGPT-6.1 SolGPT-6 Astra

Games

GPT-6.1 Sol · 9 entriesCan GPT-6.1 Sol create a scary third-person horror game?

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

Coding

GPT-6.1 Sol · 15 entriesGPT-6.1 Sol Is So Weird

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

3D graphics

GPT-6.1 Sol · 2 entriesGPT-6.1 Sol builds the same 3D scene at every effort level

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

Animation videos

GPT-6.1 Sol · 4 entriesGPT-6.1 Sol Made This Video

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

Design

GPT-6.1 Sol · 3 entriesChronograph: Anime.js 3D scroll demo

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

Research

GPT-6.1 Sol · 4 entriesArtificial Analysis on X: Sol replaces GPT-6 Sol after seven days

GPT-6 Astra · 8 entriesAstra breaks a 217-year-old cipher to a Napoleonic general

Agents

GPT-6.1 Sol · 4 entriesCodex skill: Sol leads and delegates to Sol or Astra

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

Productivity

GPT-6.1 Sol · 1 entryWindows ChatGPT navigation rail built with Sol

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

Top builds with GPT-6.1 Sol

1
GPT-6.1 Sol Is So Weirdon YouTube:Can It Code?· 94.3K views94.3K views
2
Artificial Analysis on X: Sol replaces GPT-6 Sol after seven dayson X:Artificial Analysis· 2K likes2K likes
3
GPT 6.1 Sol or Opus 5.5? One Got Gappedon YouTube:Can It Code?· 41.7K views41.7K views
4
I Tested NEW GPT-6.1 Sol on Coding. I'm Shocked.on YouTube:AI Coding Daily· 27.1K views27.1K views
5
GPT-6.1 Sol builds the same 3D scene at every effort levelon YouTube:Code Bear· 24.6K views24.6K views

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