Anthropic: Claude Haiku 4.5 (latest)
Fast Claude lane for lightweight agents, office tasks, and responsive chat
- Model lab
- Anthropic
- Model family
- claude-haiku
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-haiku-4-5.
import os
import requests
base_url = "https://api.moduck.ai/v1"
api_key = os.environ["MODUCK_API_KEY"]
model_id = "anthropic/claude-haiku-4-5"
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 Haiku 4.5 (latest) API Pricing
| Type | Price information |
|---|---|
| Input | USD 0.7968 / 1M tokens |
| Output | USD 3.9856 / 1M tokens |
| Cached input | USD 0.0792 / 1M tokens |
| Cache write | USD 0.9488 / 1M tokens |
Benchmarks
Performance
Performance trends
Availability
Claude Haiku 4.5 (latest) Compare models
| Model | Input price | Output price | Context window | Capabilities |
|---|---|---|---|---|
| Claude Haiku 4.5 (latest)This page | USD 0.7968 / 1M tokens | USD 3.9856 / 1M tokens | 200,000 | Text output · Reasoning · Tool calling |
| Claude Haiku 5.5 | USD 0.08 / 1M tokens | USD 0.4 / 1M tokens | 1,000,000 | Text output · Reasoning · Tool calling |
| Claude Haiku 4.5 | USD 0.8 / 1M tokens | USD 4 / 1M tokens | 200,000 | Text output · Reasoning · Tool calling |
| Claude Haiku 3 | USD 0.2 / 1M tokens | USD 1 / 1M tokens | 200,000 | Text output · Tool calling |
| Claude Sonnet 5.5 | USD 1.6 / 1M tokens | USD 8 / 1M tokens | 1,000,000 | Text output · Reasoning · Tool calling |
Model specifications
- Input
- text, image, pdf
- Output
- text
- Context window
- 200,000
- Maximum output
- 64,000
- Release date
- 2025-10-15
- Attachments
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Temperature setting
- Yes
- Open weights
- No
Frequently asked questions
What is Claude Haiku 4.5 (latest) for?
Fast Claude lane for lightweight agents, office tasks, and responsive chat
What inputs and outputs does Claude Haiku 4.5 (latest) support?
Recorded inputs: text, images, PDF; outputs: text.
How is Claude Haiku 4.5 (latest) priced?
The pricing table shows the current recorded Moduck price. For example: Input USD 0.7968 / 1M tokens; Output USD 3.9856 / 1M tokens. See the pricing table for all units, variants, and conditions.
What specifications are recorded for Claude Haiku 4.5 (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-haiku-4-5. 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.