Antigravity vs Claude Code — Claude Code vs Antigravity: 2 side-by-side tests
2 posts from X ran Google Antigravity and Claude Code on the same task, between Oct 16, 2026 and Oct 31, 2026. Models: Claude Opus 5.5, GPT-6.1 Sol, Gemini 4 Argon. All harness comparisons.
- 2 posts state a time for both: Google Antigravity was faster in both, median gap ~1.5×.
- 2 posts state a cost for both: Google Antigravity was cheaper in both, median gap ~4.9×.
- None keeps the model fixed: each side ran its own model, so harness and model effects are mixed — not a controlled comparison.
From 2 posts; costs and times as stated by each author, not a controlled benchmark.
Posts
2
Antigravity vs Claude Code, test by test
| Test | Antigravity: model | Claude Code: model | Time (Antigravity / Claude Code) | Cost (Antigravity / Claude Code) | Author’s pick |
|---|---|---|---|---|---|
| Night Tokyo Halloween alley with yokai@sprinntt | Gemini 4 Argon (High) | Claude Opus 5.5 (xhigh) | 48 min / 1 h 12 min | $2.42 / $15.23 | — |
| Night Tokyo railroad crossing, 3 agents@sprinntt | Gemini 4 Argon | Claude Opus 5.5 | 46 min / 1 h 10 min | $3.77 / $13.54 | — |
Numbers are as each post states them; “—” means the post gives none. Tests and models differ from row to row.
Antigravity vs Claude Code pricing: plans
From each vendor’s official pricing page (checked 2026-10-19); prices exclude tax and can change. Usage limits differ by plan and model.
API list prices of the models in these tests
| Model | Used with | Input $/1M tokens | Output $/1M tokens |
|---|---|---|---|
| Gemini 4 Argon | Antigravity | $2introductory price through Nov 30, 2026; $4 after | $10introductory price through Nov 30, 2026; $20 after |
| Claude Opus 5.5 | Claude Code | $4 | $20 |
Official API list prices where verified; a blank cell has no verified official price in the archive (older or retired models).
What each test showed
In every test below each side ran its own model, so these are not controlled comparisons of the harnesses alone.
Night Tokyo Halloween alley with yokai — Gemini 4 Argon (High) in Antigravity vs Claude Opus 5.5 (xhigh) in Claude Code
Claude Opus 5.5, GPT-6.1 Sol and Gemini 4 Argon get the same prompt, one shot each: a night Tokyo alley where a paper lantern and a one-legged umbrella yokai come out when you click. The post also includes OpenAI Codex.
- Claude Code with Claude Opus 5.5 at xhigh effort: time 1 h 12 min, cost $15.23.
- OpenAI Codex with GPT-6.1 Sol at xhigh effort: time 6 min, cost $0.29.
- Google Antigravity with Gemini 4 Argon at High effort: time 48 min, cost $2.42.
As stated: Claude Opus 5.5 $15.23, 72 min; GPT-6.1 Sol $0.29, 6 min; Gemini 4 Argon $2.42, 48 min (the poster says Argon’s time includes “Model unavailable, retrying” errors).
Posted Oct 31, 2026 by Sprint (@sprinntt). Post on X · Video and details
Night Tokyo railroad crossing, 3 agents — Gemini 4 Argon in Antigravity vs Claude Opus 5.5 in Claude Code
Claude Opus 5.5 in Claude Code, GPT-6.1 Sol in Codex and Gemini 4 Argon in Antigravity build a rainy Night Tokyo railroad crossing in Three.js from one prompt. The post also includes OpenAI Codex.
- Claude Code with Claude Opus 5.5: time 1 h 10 min, cost $13.54.
- OpenAI Codex with GPT-6.1 Sol: time 17 min, cost $1.02.
- Google Antigravity with Gemini 4 Argon: time 46 min, cost $3.77.
Verdict from @sprinntt: Opus has the best light, Argon surprised him and Sol did it for $1 (paraphrased).
Posted Oct 16, 2026 by Sprint (@sprinntt). Post on X · Video and details
Antigravity vs Claude Code (Claude Code vs Antigravity): FAQ
Is Antigravity better than Claude Code?
None of the 2 posts names a winner between the two.
Which is faster, Antigravity or Claude Code?
Google Antigravity, going by the posts' own numbers: it was faster in 2 of the 2 posts that give a time for each side (median gap ~1.5×). Times are as each author states them; models and settings differ.
Which is cheaper, Antigravity or Claude Code?
Google Antigravity, going by the posts' own numbers: it was cheaper in 2 of the 2 posts that give a cost for each side (median gap ~4.9×). Those are the run costs the posts state. Claude Code plans (official pricing page, checked 2026-10-19): Free Not included, Pro $20/month, Max From $100/month, API (Console) Pay as you go.
Which models were used with Antigravity and Claude Code?
With Antigravity: Gemini 4 Argon. With Claude Code: Claude Opus 5.5.