Question 1

How much does Gemini 3 Flash Reasoning cost?

Accepted Answer

Gemini 3 Flash Reasoning costs $0.5 per 1 million input tokens and $3 per 1 million output tokens. This pricing is set by Google.

Question 2

What tokenizer does Gemini 3 Flash Reasoning use?

Accepted Answer

Gemini 3 Flash Reasoning uses the cl100k_base tokenizer. This tokenizer has a vocabulary of ~100,000 tokens and is widely used across many models.

Question 3

What is Gemini 3 Flash Reasoning's context window?

Accepted Answer

Gemini 3 Flash Reasoning supports a context window of 1.0M tokens (1,048,576 tokens). The maximum output length is 66K tokens.

Question 4

How does Gemini 3 Flash Reasoning compare to other models?

Accepted Answer

You can compare Gemini 3 Flash Reasoning's pricing and capabilities against other LLMs in the comparison table above, or visit the full pricing page for a side-by-side view of all models.

Question 5

How do I count tokens for Gemini 3 Flash Reasoning?

Accepted Answer

Use the token counter at the top of this page or visit the homepage calculator. Paste your text and it will show the exact token count and cost for Gemini 3 Flash Reasoning using the cl100k_base tokenizer.

Model	Input / 1M	Output / 1M	Context	Max Output
Gemini 3 Flash Reasoning	$0.5	$3	1.0M	66K
Gemini 3 Flash	$0.5	$3	1.0M	66K
Kimi K2.5	$0.6	$3	128K	33K
Qwen 3.5 397B	$0.6	$3.6	128K	33K

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