claude-opus-4.1 API pricing
Blended at 3:1 input to output: $30.00 per million tokens.
OpenRouter charges $15.00 per million input tokens and $75.00 per million output tokens. 2 of the models nearest it in price are cheaper on a blended basis.
Against the models nearest in price
Blended at a 3:1 input to output ratio.
| Source | ||||||
|---|---|---|---|---|---|---|
| claude-opus-4.1 This model | OpenRouter | $15.00 | $75.00 | 200,000 | $30.00 | ↗ |
| claude-opus-4-1 | Anthropic | $15.00 | $75.00 | 200,000 | $30.00 | ↗ |
| claude-opus-4 | OpenRouter | $15.00 | $75.00 | 200,000 | $30.00 | ↗ |
| gpt-5.6-cyber | OpenAI | $12.50 | $75.00 | 400,000 | $28.13 | ↗ |
| o1 | OpenAI | $15.00 | $60.00 | 200,000 | $26.25 | ↗ |
| o3-pro | OpenRouter | $20.00 | $80.00 | 200,000 | $35.00 | ↗ |
| gpt-4 | OpenAI | $30.00 | $60.00 | 8,192 | $37.50 | ↗ |
| gpt-4-0314 | OpenAI | $30.00 | $60.00 | 8,192 | $37.50 | ↗ |
| gpt-4-0613 | OpenAI | $30.00 | $60.00 | 8,192 | $37.50 | ↗ |
Last checked . Methodology
Questions
How much does claude-opus-4.1 cost per million tokens?
$15.00 per million input tokens and $75.00 per million output tokens, with cached input at $1.50. At a 3:1 input to output mix that blends to $30.00. Checked 12 Sept 2026.
What would claude-opus-4.1 cost for a real workload?
A thousand requests a day at 2,000 input and 600 output tokens each comes to $2,250.00 a month.
What is the context window for claude-opus-4.1?
200,000 tokens of input, with up to 32,000 tokens of output.
claude-opus-4-1 · claude-opus-4 · gpt-5.6-cyber · o1 · o3-pro · All OpenRouter models · Cost calculator