Gemini 4 Carbon vs GPT-6.1 Terra
aka Carbon vs OpenAI GPT-6.1 Terra
- CheaperGPT-6.1 Terra2/2 postsmedian gap ~29×
- FasterGPT-6.1 Terra2/2 postsmedian gap ~8.1×
As stated in each post, not a controlled benchmark.
Posts
2
Same prompt, separate runs
3Not a controlled comparison: prompts, tools and time differ.
About this matchup
Gemini 4 Carbon vs GPT-6.1 Terra in real side-by-side tests: 2 posts from X where both got the same prompt, with cost or time from every post. Judge coding ability from the actual outputs.
Gemini 4 Carbon vs GPT-6.1 Terra: which is better for coding?
Which is better for coding, Gemini 4 Carbon or GPT-6.1 Terra?
None of the 2 posts here names one of the two as the better result, so judge the outputs above for the work you care about.
Which is cheaper, Gemini 4 Carbon or GPT-6.1 Terra?
2 posts state a cost for both: GPT-6.1 Terra was cheaper in both (median gap ~29×). These are the costs the posts state for each run, not list prices.
Which is faster, Gemini 4 Carbon or GPT-6.1 Terra?
2 posts state a time for both: GPT-6.1 Terra was faster in both (median gap ~8.1×). Times are as stated in each post; tools and settings differ between posts.
Summary
Gemini 4 Carbon and GPT-6.1 Terra appear together in 2 posts on X: tiny living city, Gemini 4 Carbon vs three GPT models (@noclipepe) and 3D Chrome dino (@learnwithcheer). All are part of larger lineups with other models. In @noclipepe's tiny living city, Gemini 4 Carbon vs three GPT models, GPT-6.1 Terra was cheaper ($0.23 vs $6.20) and faster (6.5 min vs 49 min), as reported in the post. In @learnwithcheer's 3D Chrome dino, GPT-6.1 Terra was cheaper ($0.17 vs $5.20) and faster (4 min vs 34.7 min), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Post |
|---|---|---|---|---|---|
| Tiny living city, Gemini 4 Carbon vs three GPT models@noclipepe | Gemini 4 Carbon | 49 min | $6.20 | — | X post |
| Tiny living city, Gemini 4 Carbon vs three GPT models@noclipepe | GPT-6.1 Terra | 6.5 min | $0.23 | — | X post |
| 3D Chrome dino@learnwithcheer | Gemini 4 Carbon | 34.7 min | $5.20 | — | X post |
| 3D Chrome dino@learnwithcheer | GPT-6.1 Terra | 4 min | $0.17 | — | 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 | ||||
| GPT-6.1 Terra | OpenAI | 2026-10-26 | Announcement |
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.
Models
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