How much does Claude Opus 4.1 cost?

Claude Opus 4.1 costs $15 per million input tokens and $75 per million output tokens on standard pricing. A workload of 20M input and 5M output tokens a month is about $675.

What is the context length of Claude Opus 4.1?

Claude Opus 4.1 accepts up to 200,000 tokens (200K) of input and can return up to 32,000 tokens in one response.

Does Claude Opus 4.1 support tool calling and structured outputs?

Yes, Claude Opus 4.1 supports function/tool calling. Supported tools: Function calling, Reasoning, Prompt caching.

What inputs and outputs does Claude Opus 4.1 support?

Claude Opus 4.1 accepts Image, Text, PDF as input and produces Text as output.

Which providers serve Claude Opus 4.1?

Claude Opus 4.1 is available from 1 API provider: Amazon Bedrock. Prices can differ by provider.

When was Claude Opus 4.1 released?

Claude Opus 4.1 was released by Anthropic in 2025-08-05.

Claude Opus 4.1

claude-opus-4.1

API Provider site

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains... Built by Anthropic.

Prices updated recently

Input price

$15

per 1M tokens · Standard

Output price

$75

per 1M tokens · Standard

Input limit

200K

tokens

Output limit

32K

tokens

Input formats

TextImageVideoAudioPDF

Output formats

TextImageVideoAudioPDF

Compare

Claude Opus 4.1 price history

2 price records since 9/25/2026

Claude Opus 4.1 cost calculator

Input20M tokens

Output5M tokens

$675/month

Standard pricing

Overview

What is Claude Opus 4.1?

Claude Opus 4.1 is a text & reasoning and vision model from Anthropic. Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains... Its 200K context window and $15 input price make it a candidate for quality-focused production applications.

Image understandingDocument analysisContent workflowsClassification

Benchmarks

Claude Opus 4.1 benchmarks & speed

How Claude Opus 4.1 scores on standardized evaluations, and where it lands among every model we track.

18.6

Intelligence Index

Better than 48% of 153 models

Independent scores from Artificial Analysis and DesignArena · updated 10/5/2026. Higher is better; ranks compare against every model we track with that score.

Rates

Claude Opus 4.1 pricing

Pricing is based on token usage. Provider-specific caching, batch, regional, and tool charges may affect the final cost.

Input · Standard

$15

Per 1M tokens

Cached input · Standard

$1.50

Per 1M tokens

Capabilities

Claude Opus 4.1 Tools

Tools available when using Claude Opus 4.1 through supported provider APIs.

Function calling

Supported

Structured outputs

Not supported

JSON mode

Not supported

Reasoning

Supported

Built-in web search

Not supported

Log probabilities

Not supported

Deterministic seed

Not supported

Parallel tool calls

Not supported

Prompt caching

Supported

Strengths and limitations

Strengths

Measured results (AA Intelligence 18.6) position it for demanding production work.
200K context supports large documents, repositories and extended conversations.
Supports text & reasoning and vision workloads in one model.

Limitations

Generated tokens cost 5× more than input tokens, which matters for verbose responses.
Large context capacity does not guarantee consistent retrieval across the entire prompt.
Arena Elo and MMLU-Pro are directional; test accuracy, latency and reliability on your own workload before committing.

Arena Elo, MMLU-Pro and pricing figures are illustrative; validate current vendor terms before purchase.

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