Question 1

How much does GPT-4.1 Mini cost?

Accepted Answer

GPT-4.1 Mini costs $0.4 per 1 million input tokens and $1.6 per 1 million output tokens. This pricing is set by OpenAI.

Question 2

What tokenizer does GPT-4.1 Mini use?

Accepted Answer

GPT-4.1 Mini uses the o200k_base tokenizer. This is OpenAI's latest tokenizer, optimized for efficiency with a vocabulary of ~200,000 tokens.

Question 3

What is GPT-4.1 Mini's context window?

Accepted Answer

GPT-4.1 Mini supports a context window of 1.0M tokens (1,047,576 tokens). The maximum output length is 33K tokens.

Question 4

How does GPT-4.1 Mini compare to other models?

Accepted Answer

You can compare GPT-4.1 Mini'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 GPT-4.1 Mini?

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 GPT-4.1 Mini using the o200k_base tokenizer.

Model	Input / 1M	Output / 1M	Context	Max Output
GPT-4.1 Mini	$0.4	$1.6	1.0M	33K
GPT-5 Mini	$0.25	$2	400K	16K
Mistral Large 3	$0.5	$1.5	262K	8K
Gemini 3.1 Flash-Lite	$0.25	$1.5	1.0M	66K

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