Claude Opus 5.5 vs Hy4
aka Opus 5.5 vs Tencent Hy4
- Author picksClaude Opus 5.51–0
As stated in each post, not a controlled benchmark.
Posts
3
Same prompt, separate runs
3Not a controlled comparison: prompts, tools and time differ.
About this matchup
Claude Opus 5.5 vs Hy4 in real side-by-side tests: 3 posts from X where both got the same prompt; 1 post reports cost or time. Judge coding ability from the actual outputs.
Opus 5.5 vs Hy4: which is better for coding?
Which is better for coding, Opus 5.5 or Hy4?
Author picks: where the author preferred one of the two, they picked Claude Opus 5.5 once and Hy4 never. That covers 1 of the 3 posts here; each post is a different task, so watch the outputs above for the work you care about.
What have Opus 5.5 and Hy4 been tested on?
The most-viewed of the 3 posts: toilet flush cutaway, Claude Opus 5.5 vs Hy4 (@olezhavich), pelican SVG, Hy4 vs GPT-6.1 Sol vs Claude Opus 5.5 (@wangray), pelican on a bicycle, four models (@analyzestripes). Categories: Animations/SVG, Simulations.
How many side-by-side tests compare Opus 5.5 and Hy4?
3 posts from X, posted between Nov 4, 2026 and Nov 7, 2026, by 3 accounts (@analyzestripes, @olezhavich, @wangray). Every one is listed above with its video and a link to its post on X.
Summary
Claude Opus 5.5 and Hy4 appear together in 3 posts on X: pelican on a bicycle, four models (@analyzestripes), toilet flush cutaway, Claude Opus 5.5 vs Hy4 (@olezhavich) and pelican SVG, Hy4 vs GPT-6.1 Sol vs Claude Opus 5.5 (@wangray). 2 of them are part of larger lineups with other models. 1 post reports numbers for only one side, so there is no like-for-like cost or time comparison yet.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Pelican on a bicycle, four models@analyzestripes | Hy4 | — | $0.047 | — | — | X post |
| Pelican on a bicycle, four models@analyzestripes | Claude Opus 5.5 | — | — | — | — | X post |
| Toilet flush cutaway, Claude Opus 5.5 vs Hy4@olezhavich | Claude Opus 5.5 | — | — | — | Author’s pick | X post |
| Toilet flush cutaway, Claude Opus 5.5 vs Hy4@olezhavich | Hy4 | — | — | — | — | X post |
| Pelican SVG, Hy4 vs GPT-6.1 Sol vs Claude Opus 5.5@wangray | Hy4 | — | — | — | Hy4 is roughly on par with GPT-6.1 Sol this time, while Claude Opus 5.5’s taste stays steady. | X post |
| Pelican SVG, Hy4 vs GPT-6.1 Sol vs Claude Opus 5.5@wangray | Claude Opus 5.5 | — | — | — | Hy4 is roughly on par with GPT-6.1 Sol this time, while Claude Opus 5.5’s taste stays steady. | X post |
Only numbers stated in each post. “—” means the post doesn’t say.
Quick facts
| Model | Vendor | Released | Input $/1M tokens | Output $/1M tokens | Context (tokens) | Official links |
|---|---|---|---|---|---|---|
| Claude Opus 5.5 | Anthropic | 2026-09-22 | $4 | $20 | 1,000,000 | Model docs |
| Hy4 | Tencent | 2026-11-04 | Announcement |
From the vendors’ official pages, checked 2026-11-04. Standard API list prices; each value links its source and a blank cell could not be verified. The archive’s own numbers above are what each post states.
Who won where
2- Toilet flush cutaway, Claude Opus 5.5 vs Hy4Opus gets 9/10 for the most accurate toilet, with a real siphon and an underground pipe.— the author’s view, @olezhavich (paraphrased)
- Pelican SVG, Hy4 vs GPT-6.1 Sol vs Claude Opus 5.5Hy4 is roughly on par with GPT-6.1 Sol this time, while Claude Opus 5.5’s taste stays steady.— the author’s view, @wangray (paraphrased)
Prompts shown in the posts
Create an HTML file containing a 2D animation of a pelican riding a bicycle drawn with SVG — @wangray
Models
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