GPT-6.1 Sol vs Kalmia
aka Sol 6.1 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
GPT-6.1 Sol 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.
GPT-6.1 Sol vs Kalmia: which is better for coding?
Which is better for coding, GPT-6.1 Sol 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 GPT-6.1 Sol and Kalmia been tested on?
The most-viewed of the 1 post: magnetar magnetic-fluid scene, Kalmia vs GPT-6.1 Sol Ultra (@SPAC89). Categories: 3D & Shaders, Simulations.
How many side-by-side tests compare GPT-6.1 Sol and Kalmia?
1 post from X, posted Oct 22, 2026, by @SPAC89. Every one is listed above with its video and a link to its post on X.
Summary
GPT-6.1 Sol and Kalmia appear together in 1 post on X: magnetar magnetic-fluid scene, Kalmia vs GPT-6.1 Sol Ultra (@SPAC89). None of these posts report cost or time per model.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Magnetar magnetic-fluid scene, Kalmia vs GPT-6.1 Sol Ultra@SPAC89 | Kalmia | — | — | — | The poster says Kalmia is already on the level of GPT-6.1 Sol Ultra here, though not yet at Claude Opus 5.5’s level, and a little slower. | X post |
| Magnetar magnetic-fluid scene, Kalmia vs GPT-6.1 Sol Ultra@SPAC89 | GPT-6.1 Sol | — | — | — | The poster says Kalmia is already on the level of GPT-6.1 Sol Ultra here, though not yet at Claude Opus 5.5’s level, and a little slower. | 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 |
|---|---|---|---|---|---|---|
| GPT-6.1 Sol | OpenAI | 2026-09-29 | $2prompts up to 272K tokens | $10prompts up to 272K tokens | 1,050,000 | Model docs |
| Kalmia |
From the vendors’ official pages, checked 2026-10-19. 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- Magnetar magnetic-fluid scene, Kalmia vs GPT-6.1 Sol UltraThe poster says Kalmia is already on the level of GPT-6.1 Sol Ultra here, though not yet at Claude Opus 5.5’s level, and a little slower.— the author’s view, @SPAC89 (paraphrased)
Models
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