Video by aditya (@adxtyahq) · originally posted on XView original post on X
GPT-5.3 Codex vs Claude Opus 4.6
B2B SaaS landing page
aditya@adxtyahq41 likes4,254 views
GPT-5.3 Codex vs Claude Opus 4.6, same prompt, one shot: a B2B SaaS landing page.
Models
| Model | Notes |
|---|---|
| GPT-5.3 CodexOpenAI | Written as “OpenAI Codex 5.3” |
| Claude Opus 4.6Anthropic |
Details
| Kind | Side-by-side (same post, same prompt) |
|---|---|
| Task | B2B SaaS landing page |
| Topic | One-shot landing page |
| Category | Web/UI |
| Mode | One shot |
| Posted | |
| Video length | 5.1 s (+1 more clips) |
| Likes / views | 41 / 4,254 · as of Oct 18, 2026 |
| Bookmarks | 3 |
| Sponsored | No |
| Original post | x.com/adxtyahq/status/2019803306688954420 |
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