Question 1

How much does Qwen 3.5 397B cost?

Accepted Answer

Qwen 3.5 397B costs $0.6 per 1 million input tokens and $3.6 per 1 million output tokens. This pricing is set by Alibaba.

Question 2

What tokenizer does Qwen 3.5 397B use?

Accepted Answer

Qwen 3.5 397B 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 Qwen 3.5 397B's context window?

Accepted Answer

Qwen 3.5 397B supports a context window of 128K tokens (128,000 tokens). The maximum output length is 33K tokens.

Question 4

How does Qwen 3.5 397B compare to other models?

Accepted Answer

You can compare Qwen 3.5 397B'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 Qwen 3.5 397B?

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 Qwen 3.5 397B using the cl100k_base tokenizer.

Model	Input / 1M	Output / 1M	Context	Max Output
Qwen 3.5 397B	$0.6	$3.6	128K	33K
Qwen 3.5 27B	$0.3	$2.4	128K	33K
GLM-5	$1	$3.2	128K	33K
Claude Haiku 3.5	$0.8	$4	200K	8K

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