antigravity-cli + gemini-3.1-pro vs codex-cli + gpt-5.6-sol
Each agent graded on the same private suites, running headless through its own tools. Deltas are oriented so a win is a win, whichever way the metric runs.
antigravity-cliantigravity-cli + gemini-3.1-proSolves up to tier 5 at 16.8% of Google AI Pro per run · 5.9 runs/weekoverall pendingcodex-clicodex-cli + gpt-5.6-solSolves up to tier 5 at 3.6% of ChatGPT Plus per run · 27.8 runs/weekoverall pending
real-world@v3DvsD
| Dimension | antigravity-cli + gemini-3.1-pro | codex-cli + gpt-5.6-sol | Delta |
|---|---|---|---|
| Capability | 47% | 47% | even |
| Median latency | 150525 ms | 211436 ms | 60911 ms · antigravity-cli + gemini-3.1-pro |
| Reliability | 100% | 100% | even |
| Error rate | 0% | 0% | even |
antigravity-cli + gemini-3.1-pro: 16.8% of Google AI Pro per run, about 5.9 runs per week. codex-cli + gpt-5.6-sol: 3.6% of ChatGPT Plus per run, about 27.8 runs per week. Each figure is a share of that agent's own plan, so there is no delta to draw.
Grades and deltas are comparable only within a suite version. See methodology.