LLM Reference
Anthropic

Using Claude Opus 4.7 on Anthropic

Implementation guide · Claude 4.7 · Anthropic

Serverless

Quick Start

  1. 1
    Create an account at Anthropic and generate an API key.
  2. 2
    Use the Anthropic SDK or REST API to call claude-opus-4-7 — see the documentation for request format.
  3. 3
    You'll be billed $5.00/1M input, $25.00/1M output tokens. See full pricing.

Code Examples

Install
pip install anthropic
API key
ANTHROPIC_API_KEY
Model ID
claude-opus-4-7

Use the versioned model ID, e.g. "claude-sonnet-4-6" or "claude-opus-4-7-20251101".

import anthropic

client = anthropic.Anthropic()  # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
    model="claude-opus-4-7",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}]
)
print(message.content[0].text)

About Anthropic

Creator of Claude AI models, accessed via the Anthropic API and the Anthropic Console (console.anthropic.com). The Console hosts the Workbench prompt playground, API keys, usage analytics, and team billing.

Anthropic is a safety-focused AI research company and creator of the Claude model family, offering API access through the Anthropic Console for text generation, analysis, and coding tasks.

Pricing on Anthropic

TypePrice (per 1M)
Input tokens$5.00
Output tokens$25.00

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode ExecutionPrompt CachingBatch API

About Claude Opus 4.7

Claude Opus 4.7 is Anthropic's generally available flagship model with 1M context, 128K max output, adaptive thinking, and a new tokenizer with roughly 555K words per 1M tokens.

Model Specs

Released2026-04-16
Context1m
ArchitectureDecoder Only
Knowledge cutoff2026-01

Provider

Anthropic
Anthropic

San Francisco, California, United States