Question 1

How much does Claude Opus 4.6 cost?

Accepted Answer

Claude Opus 4.6 costs $5 per 1 million input tokens and $25 per 1 million output tokens. This pricing is set by Anthropic.

Question 2

What tokenizer does Claude Opus 4.6 use?

Accepted Answer

Claude Opus 4.6 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 Claude Opus 4.6's context window?

Accepted Answer

Claude Opus 4.6 supports a context window of 200K tokens (200,000 tokens). The maximum output length is 32K tokens.

Question 4

How does Claude Opus 4.6 compare to other models?

Accepted Answer

You can compare Claude Opus 4.6'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 Claude Opus 4.6?

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 Claude Opus 4.6 using the cl100k_base tokenizer.

Model	Input / 1M	Output / 1M	Context	Max Output
Claude Opus 4.6	$5	$25	200K	32K
Claude Opus 4.6 Adaptive	$5	$25	200K	32K
Grok 4	$3	$15	2.0M	16K
Sonar Pro	$3	$15	128K	4K

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