Quick Start
- 1
- 2Use the Anthropic SDK or REST API to call
claude-opus-4-7— see the documentation for request format. - 3
Code Examples
Install
pip install anthropicAPI key
ANTHROPIC_API_KEYModel ID
claude-opus-4-7Use 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
| Type | Price (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