Anthropic: Claude Sonnet 4 (latest)
Balanced Claude model for coding, analysis, agent workflows, and cost control
- Model lab
- Anthropic
- Model family
- claude-sonnet
Quickstart
Use your Moduck API Key, set the API base URL to https://api.moduck.ai/v1, and set the model parameter to anthropic/claude-sonnet-4-0.
import os
import requests
base_url = "https://api.moduck.ai/v1"
api_key = os.environ["MODUCK_API_KEY"]
model_id = "anthropic/claude-sonnet-4-0"
response = requests.post(
f"{base_url}/chat/completions",
headers={
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json",
},
json={
"model": model_id,
"messages": [{"role": "user", "content": "Hello!"}],
"stream": False,
},
timeout=60,
)
response.raise_for_status()
print(response.json())Use the familiar OpenAI-style chat request format to make model integration easier.
Claude Sonnet 4 (latest) API Pricing
| Type | Price information |
|---|---|
| Input · Base context tier (boundary 200000 tokens) | USD 2.4 / 1M tokens |
| Output · Base context tier (boundary 200000 tokens) | USD 12 / 1M tokens |
| Cached input · Base context tier (boundary 200000 tokens) | USD 0.24 / 1M tokens |
| Cache write · Base context tier (boundary 200000 tokens) | USD 3 / 1M tokens |
Benchmarks
Performance
Performance trends
Availability
Claude Sonnet 4 (latest) Compare models
| Model | Input price | Output price | Context window | Capabilities |
|---|---|---|---|---|
| Claude Sonnet 4 (latest)This page | USD 2.4 / 1M tokens · Base context tier (boundary 200000 tokens) | USD 12 / 1M tokens · Base context tier (boundary 200000 tokens) | 200,000 | Text output · Reasoning · Tool calling |
| Claude Sonnet 5.5 | USD 1.6 / 1M tokens | USD 8 / 1M tokens | 1,000,000 | Text output · Reasoning · Tool calling |
| Claude Sonnet 5 | USD 1.152 / 1M tokens | USD 5.76 / 1M tokens | 1,000,000 | Text output · Reasoning · Tool calling |
| Claude Sonnet 4.6 | USD 2.4 / 1M tokens | USD 12 / 1M tokens | 1,000,000 | Text output · Reasoning · Tool calling |
| Claude Sonnet 4.5 | USD 2.4 / 1M tokens | USD 12 / 1M tokens | 200,000 | Text output · Reasoning · Tool calling |
Model specifications
- Input
- text, image, pdf
- Output
- text
- Context window
- 200,000
- Maximum output
- 64,000
- Release date
- 2025-05-22
- Attachments
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Temperature setting
- Yes
- Open weights
- No
Frequently asked questions
What is Claude Sonnet 4 (latest) for?
Balanced Claude model for coding, analysis, agent workflows, and cost control
What inputs and outputs does Claude Sonnet 4 (latest) support?
Recorded inputs: text, images, PDF; outputs: text.
How is Claude Sonnet 4 (latest) priced?
The pricing table shows the current recorded Moduck price. For example: Input · Base context tier (boundary 200000 tokens) USD 2.4 / 1M tokens; Output · Base context tier (boundary 200000 tokens) USD 12 / 1M tokens. See the pricing table for all units, variants, and conditions.
What specifications are recorded for Claude Sonnet 4 (latest)?
Current model records list Context window 200,000 tokens; Maximum output 64,000 tokens.
What model parameter does the Quickstart use?
The example uses anthropic/claude-sonnet-4-0. This value comes from the page identifier and is not confirmed as a callable Moduck public ID.
Can I call this model through the Moduck API now?
This page has no verified Moduck API call for this model. A Quickstart example or reserved ID does not establish access; check the models available to your account.