Gemini 3.1 Pro Preview
STEEP · priciest third for this operationGemini 3.1 Pro Preview costs $0.017 for 1,000 words of output. That is the priciest third of the 20 entries we price on the same operation.
Gemini 3.1 Pro Preview · the arithmetic
the unit$12 per 1M tokens · Input $2.00 / output $12.00 per 1M tokens (prompt ≤ 200k token)
the meter500 input tokens + 1,333 output tokens for a 1,000-word answer
the sum(500 / 1.000.000 x $2 in) + (1.333 / 1.000.000 x $12 out) = $0.01700. 1.000 parole = 1.333 token di output (1 parola = 1,33 token, convenzione NOSTRA dichiarata: nessun fornitore pubblica un'equivalenza parola/token in un numero solo. Google dichiara '100 tokens is equal to about 60-80 English words' — una forbice, e 1,33 ci sta dentro; Anthropic dichiara solo i caratteri, 'a token approximately represents 3.5 English characters'; l'help OpenAI oggi non da' piu' un rapporto e rimanda a tiktoken). Domanda tipo fissata a 500 token di input, uguale per tutte le voci. Usata la fascia 'prompts ≤ 200k tokens': la domanda tipo e' 500 token. Sopra 200k: $4.00 in / $18.00 out.
the verdictSTEEP · priciest third for this operation
read on 14 sep 2026 · pricing page ↗ · documentation ↗
Is Gemini 3.1 Pro Preview worth the credits?
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How much does Gemini 3.1 Pro Preview cost on Google?
$0.017 for 1,000 words, read from Google's own pages on 14 sep 2026. The meter: 500 input tokens + 1,333 output tokens for a 1,000-word answer.
Where does this number come from?
(500 / 1.000.000 x $2 in) + (1.333 / 1.000.000 x $12 out) = $0.01700. 1.000 parole = 1.333 token di output (1 parola = 1,33 token, convenzione NOSTRA dichiarata: nessun fornitore pubblica un'equivalenza parola/token in un numero solo. Google dichiara '100 tokens is equal to about 60-80 English words' — una forbice, e 1,33 ci sta dentro; Anthropic dichiara solo i caratteri, 'a token approximately represents 3.5 English characters'; l'help OpenAI oggi non da' piu' un rapporto e rimanda a tiktoken). Domanda tipo fissata a 500 token di input, uguale per tutte le voci. Usata la fascia 'prompts ≤ 200k tokens': la domanda tipo e' 500 token. Sopra 200k: $4.00 in / $18.00 out.
What counts as one operation here?
1,000 words. Every entry in the same operation is priced on that same unit, which is what makes the comparison mean anything.