Claude 3.7 Sonnet on Anthropic

Name: Claude 3.7 Sonnet on Anthropic
Brand: Anthropic
SKU: claude-3-7-sonnet-anthropic-api

Claude 3.7 · Anthropic

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Last refreshed 2026-07-26. Next refresh: weekly.

Why use Claude 3.7 Sonnet on Anthropic?

Anthropic offers Claude 3.7 Sonnet with competitive pricing. 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.

Compare Claude 3.7 Sonnet across 6 providers to find the best fit for your use case

Input / 1M

Output / 1M

Cache

Not sourced

Batch

in $1.50 / out $7.50

Setup recipe

Python + curl

Install

pip install anthropic

Auth

export ANTHROPIC_API_KEY=...

Call

import anthropic
client = anthropic.Anthropic()  # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
    model="claude-3-7-sonnet",

Model ID

claude-3-7-sonnet

Request example

import anthropic

client = anthropic.Anthropic()  # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
    model="claude-3-7-sonnet",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}]
)
print(message.content[0].text)

Gotchas

Use the versioned model ID, e.g. "claude-sonnet-4-6" or "claude-opus-4-7-20251101".
The examples expect ANTHROPIC_API_KEY; rename it only if your application config maps the new variable.