GOOGLE MODEL TOKEN COUNTER
Count tokens for Gemini 3.1 Pro Preview and estimate API cost before you send a request. Google does not publish this tokenizer, so counts are calibrated estimates for planning.Your text never leaves the browser.
PROMPT
Tokens
0
Words
0
Characters
0
Input cost
$0.00
Output cost
$0.00
Total request
$0.00
Need optimization suggestions, a token heatmap, monthly cost projection, or a side-by-side model comparison? Open the full analyzer with Gemini 3.1 Pro Preview preselected.
Provider. Google
Context window. 1,048,576 tokens (about 786,000 English words).
API pricing. $2.00 input / $12.00 output per 1M tokens.
Tokenizer. Not public; counts on this page are calibrated estimates.
Pricing source. Official Google pricing page, checked 2026-08-11. Prices in the catalog were last refreshed 2026-08-11 and are estimates, not quotes.
See the Gemini Token Counter for all Google models in one counter. Or browse the full model token counter directory and the LLM pricing comparison table to see how Gemini 3.1 Pro Preview prices against other providers.
FAQ
Paste your prompt into the counter on this page. Google does not publish the Gemini 3.1 Pro Preview tokenizer, so the count is a calibrated estimate based on text length, language, and structure. Treat it as planning guidance rather than an exact billing number.
Gemini 3.1 Pro Preview costs $2.00 per 1 million input tokens and $12.00 per 1 million output tokens, based on official Google pricing checked 2026-08-11.
Gemini 3.1 Pro Preview has a context window of 1,048,576 tokens, which is roughly 786,000 English words of combined prompt and response. The counter above shows how much of that window your text consumes.
No. It is a clearly labeled estimate, because Google has not released a public tokenizer for Gemini 3.1 Pro Preview. Estimates are usually within a reasonable range for English text but can drift for code, JSON, or non-English languages.