Gemini 4 Carbon vs Kalmia
aka Carbon vs Kalmia (Arena)
Pre-release Kalmia is an unreleased model seen in Arena testing under a codename; the name may change.
Posts
1
About this matchup
Gemini 4 Carbon vs Kalmia in real side-by-side tests: 1 post from X where both got the same prompt. Judge coding ability from the actual outputs.
Gemini 4 Carbon vs Kalmia: which is better for coding?
Which is better for coding, Gemini 4 Carbon or Kalmia?
None of the 1 post here names one of the two as the better result, so judge the outputs above for the work you care about.
What have Gemini 4 Carbon and Kalmia been tested on?
The most-viewed of the 1 post: walking 3D giraffe, four models in Arena (@Haleeeemahh). Categories: 3D & Shaders, Animations/SVG.
How many side-by-side tests compare Gemini 4 Carbon and Kalmia?
1 post from X, posted Oct 22, 2026, by @Haleeeemahh. Every one is listed above with its video and a link to its post on X.
Summary
Gemini 4 Carbon and Kalmia appear together in 1 post on X: walking 3D giraffe, four models in Arena (@Haleeeemahh). It is part of larger lineups with other models. None of these posts report cost or time per model.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Walking 3D giraffe, four models in Arena@Haleeeemahh | Gemini 4 Carbon | — | — | — | Asked which came closest to Opus 5.5, the poster bets on Gemini 4 Carbon. | X post |
| Walking 3D giraffe, four models in Arena@Haleeeemahh | Kalmia | — | — | — | — | 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 |
|---|---|---|---|---|---|---|
| Gemini 4 Carbon | 2026-10-28 | Announcement · Announcement post | ||||
| Kalmia |
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
1- 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)