Claude Opus 5.5 vs Gemini 4 Carbon
aka Opus 5.5 vs Carbon
- Author picksGemini 4 Carbon1–0
As stated in each post, not a controlled benchmark.
Posts
83D pelican on a bike, a quoted build answered: Claude Opus 5.5, Gemini 4 Carbon. Posted by @LumeoLab.
Pixel-art running cheetah at 640x360: Gemini 4 Carbon, Claude Opus 5.5, GPT-6 Astra. Posted by @duke_mv.
Walking 3D giraffe, four models in Arena: Claude Opus 5.5, Gemini 4 Carbon, Kibitz, Kalmia. Posted by @Haleeeemahh.
Galloping horse on a savanna, three models: Gemini 4 Carbon, Claude Opus 5.5, Kibitz. Posted by @AI_Screening.
Voxel island world, Gemini 4 Carbon vs Claude Opus 5.5: Gemini 4 Carbon, Claude Opus 5.5. Posted by @Haleeeemahh.
Swimmer in a pool, Carbon vs Opus vs Astra: Gemini 4 Carbon, Claude Opus 5.5, GPT-6 Astra. Posted by @RealFedeURU.
Voxel pagoda island, Gemini 4 Carbon and three others: Gemini 4 Argon, Gemini 4 Carbon, Claude Opus 5.5, Claude Sonnet 5.5. Posted by @LuminaBench.
Same prompt, separate runs
2Not a controlled comparison: prompts, tools and time differ.
About this matchup
Claude Opus 5.5 vs Gemini 4 Carbon in real side-by-side tests: 8 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 Gemini 4 Carbon: which is better for coding?
Which is better for coding, Opus 5.5 or Gemini 4 Carbon?
Author picks: where the author preferred one of the two, they picked Gemini 4 Carbon once and Claude Opus 5.5 never. That covers 1 of the 8 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 Gemini 4 Carbon been tested on?
The most-viewed of the 8 posts: walking 3D giraffe, four models in Arena (@Haleeeemahh), voxel pagoda island, Gemini 4 Carbon and three others (@LuminaBench), galloping horse on a savanna, three models (@AI_Screening). Categories: 3D & Shaders, Animations/SVG, Games, Simulations.
How many side-by-side tests compare Opus 5.5 and Gemini 4 Carbon?
8 posts from X, posted between Oct 21, 2026 and Oct 24, 2026, by 7 accounts (@Mr_Salio, @LumeoLab, @duke_mv, @Haleeeemahh…). Every one is listed above with its video and a link to its post on X.
Summary
Claude Opus 5.5 and Gemini 4 Carbon appear together in 8 posts on X: 3D airplane, Gemini 4 Carbon vs Claude Opus 5.5 (@Mr_Salio), 3D pelican on a bike, a quoted build answered (@LumeoLab), pixel-art running cheetah at 640x360 (@duke_mv), walking 3D giraffe, four models in Arena (@Haleeeemahh), galloping horse on a savanna, three models (@AI_Screening) and 3 more. 5 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
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 |
| Gemini 4 Carbon | 2026-10-28 | Announcement · Announcement post |
From the vendors’ official pages, checked 2026-10-29. 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
3- Pixel-art running cheetah at 640x360The poster finds Gemini 4 Carbon’s output significantly better than the other two.— the author’s view, @duke_mv (paraphrased)
- Walking 3D giraffe, four models in ArenaAsked which came closest to Opus 5.5, the poster bets on Gemini 4 Carbon.— the author’s view, @Haleeeemahh (paraphrased)
- Voxel pagoda island, Gemini 4 Carbon and three othersGemini 4 Carbon has noticeably higher quality than Argon, but it is a lot slower.— the author’s view, @LuminaBench (paraphrased)
Prompts shown in the posts
640x360 pixel art of cheetah running — @duke_mv










