ChatGPT Plus vs Google AI Pro: we pick ChatGPT Plus because Antigravity is bad. Measured on ChatGPT Plus, one pass of our fixed task set fits about 85 tasks a week with GPT-6 Astra. Both cost the same $20/mo. Prices are the providers' own list prices, and the verdict is ours rather than a score.Measured
Our verdict
We pick ChatGPT Plus because Antigravity is bad. Antigravity looks unfinished and often leaves you guessing what it is doing. Codex reports its progress much more clearly. Luna also covers high-volume small work on very little quota.
Google AI Pro may still be the better subscription if you use the rest of the bundle. It includes 5 TB of storage, YouTube Premium Lite, Google Home Premium, expanded NotebookLM, and Gemini inside Gmail and Docs. Developers also get higher Jules and AI Studio limits plus $10 a month in Google Cloud credits. If you would pay for some of those separately, Google can be the better deal even though Antigravity is the worse coding agent.
Do not treat ChatGPT Plus's allowance as permanent. It looks generous while the current resets keep arriving. If OpenAI stops them, Plus becomes the worse value.
$20 gets you Codex with every OpenAI model, including Astra. Luna handles high-volume small tasks at a fraction of the quota. OpenAI's extra resets are getting fewer and fewer, so don't rely on them lasting much longer.
Pros
Every OpenAI model, including Astra
Luna is cheap on quota
Generous allowance while the extra resets last
Cons
Opus 5.5 is stronger at the same price
Astra can drain the whole 5-hour window in one prompt
The current allowance depends on temporary extra resets
Best for People who want Luna for high-volume small tasks.
How far it goes: at least 15 times a week, and more than 100 for the cheapest model
Our whole real-world issues and spec planning pass runs at least 15 times a week, and more than 100 for the cheapest model on this plan, depending on which model you run.
That works out at about under 5c to 28c of the subscription per run, at the list price.
Measured on this plan, at <1% to 6%/1w of its allowance per run. A share belongs to the plan it was measured on, so we never subtract one plan's from another's.
Google AI Pro has no Gemini model we would pick for coding now. Sonnet 5.5 does the fast, cheap work better. Antigravity is rough and often leaves you guessing what it is doing. The plan also includes 5 TB of storage, NotebookLM, YouTube Premium Lite, Home Premium and Gemini in Google apps.
Pros
5 TB of storage
A broad Google services bundle
Cons
No Gemini model we would pick for coding
Antigravity is rough
Best for People who want basic AI usage and will use the Google bundle.
How far it goes: about 4 to 6 times a week
Our whole real-world issues and spec planning pass runs about 4 to 6 times a week on this plan, depending on which model you run.
That works out at about 73c to $1.09 of the subscription per run, at the list price.
Measured on this plan, at 15.9% to 23.7%/1w of its allowance per run. A share belongs to the plan it was measured on, so we never subtract one plan's from another's.
Verdicts and prices are the quiz's versioned editorial catalog, last reviewed 2026-10-01. The plan cards keep measured evidence separate from the recommendation. Any other pair composes on the subscription comparison, and the quiz turns your answers into a recommendation.