Claude Opus 4.1 API pricing
Standard tier, 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 for Claude Opus 4.1. It is sold in 2 forms, from $15.00 to $30.00 blended; the table below shows what each costs against standard. 7 of the models nearest it in price are cheaper on a blended basis.
Every tier of Claude Opus 4.1
Blended at 3:1 input to output. The last column compares each against the standard tier.
| Source | ||||||||
|---|---|---|---|---|---|---|---|---|
| Standard Standard | claude-opus-4.1 | OpenRouter | $15.00 | $75.00 | $1.50 | $30.00 | Standard | ↗ |
| Batch | claude-opus-4.1:batch | OpenRouter | $7.50 | $37.50 | $0.750 | $15.00 | −50% | ↗ |
Prices last checked: . Methodology
Which tier to use
What each costs against standard in our data, and the job it is for.
Batch
The batch tier (claude-opus-4.1:batch) is 50% cheaper than standard. Batch requests are queued and answered asynchronously, typically within 24 hours, so it suits work nobody is waiting on: evaluations, back-fills, bulk classification and tagging. Anything a user is waiting on belongs on the standard tier.
Against the models nearest in price
Standard tiers, 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 | ↗ |
| GPT-5.5 Cyber | OpenAI | $12.50 | $75.00 | Not listed | $28.13 | ↗ |
| GPT-5.6 Cyber | OpenAI | $12.50 | $75.00 | 400,000 | $28.13 | ↗ |
| o1 | OpenAI | $15.00 | $60.00 | 200,000 | $26.25 | ↗ |
| GPT-4 | OpenAI | $30.00 | $60.00 | 8,192 | $37.50 | ↗ |
| GPT-4 Turbo | OpenAI | $10.00 | $30.00 | 128,000 | $15.00 | ↗ |
| GPT-5.5 | OpenAI | $5.00 | $30.00 | 1,050,000 | $11.25 | ↗ |
| Claude Opus 4.5 | Anthropic | $5.00 | $25.00 | 200,000 | $10.00 | ↗ |
| Claude Opus 4.6 | Anthropic | $5.00 | $25.00 | 1,000,000 | $10.00 | ↗ |
Prices 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 28 Oct 2026.
How much cheaper is Claude Opus 4.1 through the Batch API?
claude-opus-4.1:batch costs $7.50 in and $37.50 out per million tokens, 50% cheaper than standard, in exchange for asynchronous delivery.
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 on the standard tier, or $1,125.00 through batch.
What is the context window for Claude Opus 4.1?
200,000 tokens of input, with up to 32,000 tokens of output.
GPT-5.5 Cyber · GPT-5.6 Cyber · o1 · GPT-4 · GPT-4 Turbo · All OpenRouter models · Cost calculator