Comparisons › Gemini vs ChatGPT: more intelligence per dollar?

Gemini vs ChatGPT: more intelligence per dollar?

Google has long competed on context length and price. Here is how Gemini 3.8 Flash stacks up against GPT-6 Astra in 2026.

Value verdict: on intelligence per $1, Gemini currently comes out ahead — 136,667 vs 13,250. Prices move often, so recheck the calculator regularly.

At a glance

Model compared

Gemini	ChatGPT	ChatGPT
Flagship model	Gemini 3.8 Flash	GPT-6 Astra
Input / 1M	$0.75	$10
Output / 1M	$3.75	$50
Intelligence index	41	53
Tokens / $1	333.3k	25.0k
Intelligence / $1	136,667	13,250
Cheapest plan	Google AI Plus ($13.99/mo)	ChatGPT Plus ($20/mo)

API pricing

Gemini 3.8 Flash is $0.75 input / $3.75 output per 1M tokens — about 13x cheaper on output than GPT-6 Astra's $10 / $50, and it undercuts OpenAI's mid-tier GPT-5.6 Terra ($2 / $12) as well. Google's Pro tier, Gemini 3.1 Pro, is $2 / $12.

Context and plans

Google's subscription (Google AI Pro at $19.99) is the cheapest major premium plan, and Gemini's free tier is among the most generous. On raw tokens per dollar, Gemini consistently beats ChatGPT.

The verdict

For value, Gemini is the stronger play on paper. ChatGPT retains advantages in ecosystem and familiarity. Run your own workload through the calculator — the winner often flips with usage mix.

Bottom line: On paper Gemini delivers more intelligence per dollar — cheaper API, cheaper subscription and a generous free tier — while ChatGPT retains the ecosystem edge. Budget-conscious buyers should seriously consider Gemini.