Anthropic
Claude Sonnet 5.5
claude-sonnet-5.5
Total Context
1M
Max Output
128K
Released
N/A
Input$2 / M tokens
Output$10 / M tokens
Claude Haiku 4.5
claude-haiku-4.5Claude Haiku 4.5 is Anthropic’s fast and cost-efficient model with surprisingly strong coding, computer-use, and agent-task performance. Official materials compare parts of its behavior to earlier Sonnet-level capability while emphasizing speed and price. It should be described as a compact production model for responsive agentic applications.
Context Window
200K tokens
Maximum Output
64K tokens
Release Date
Oct 15, 2025
Modalities
Claude Haiku 4.5 Pricing
| Input Price | Output Price | Cache Read | Cache Create 5m |
|---|---|---|---|
| $1/M | $5/M | $0.1/M | $1.25/M |
Claude Haiku 4.5 API Capabilities
Reasoning
Supported
Tool calling
Supported
Temperature parameter
Supported
Attachments
Supported
Knowledge Base
2025-02-28
Endpoint Protocols
Completions API
Claude Haiku 4.5 Model Highlights
Claude Haiku 4.5 combines responsive inference, capable coding and computer-use reasoning for real-time and high-volume development workloads.
Responsive Inference
Produces rapid responses while retaining enough reasoning capability for interactive assistants and iterative development.
Efficient Coding
Generates and revises code with performance comparable to larger earlier models while requiring less latency and compute.
Computer-Use Reasoning
Interprets interface states and chooses actions across browser or desktop workflows with low interaction delay.
Claude Haiku 4.5 Use Cases
Claude Haiku 4.5 is suited to interactive coding, high-volume support automation and responsive sub-agent or computer-use workflows.
Interactive Pair Programming
Suggest code, explain errors and iterate on small changes quickly during an active development session.
Customer Support Automation
Classify incoming requests, retrieve relevant guidance and draft timely responses for high-volume support queues.
Responsive Sub-Agent Work
Run focused subtasks in parallel, such as code searches, file inspection or browser actions, and return results promptly.
How to Use Claude Haiku 4.5 via the TokenHub API
import OpenAI from "openai"
const client = new OpenAI({
apiKey: process.env.TOKENHUB_API_KEY,
baseURL: "https://us-api.tokenhub.com/v1",
})
const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)Frequently asked questions about Claude Haiku 4.5
Understand what Claude Haiku 4.5 is, its best uses, distinguishing strengths, practical tradeoffs, and safe TokenHub integration guidance.
Where does Claude Haiku 4.5 sit within its provider’s model family?+
Claude Haiku 4.5 is Anthropic’s compact Claude model for fast, high-volume applications. It is a current public model in its provider’s documentation, though availability can vary by platform.
Which production scenarios suit Claude Haiku 4.5?+
Best-fit scenarios include high-volume application requests, fast coding assistance, and customer-support automation. Test representative inputs and define measurable acceptance criteria before production.
What makes Claude Haiku 4.5 stand out for fast coding assistance?+
Key strengths include fast response times, cost-efficient scaling, and strong coding performance. This combination is especially useful for fast coding assistance.
What tradeoffs should developers consider with Claude Haiku 4.5?+
Consider another model when the task needs the strongest Opus-level capability, the workflow requires the longest and most autonomous execution, or the workflow cannot include human review for important decisions. Verify important factual, legal, financial, medical, or operational outputs with qualified human review.
How can a team safely start using Claude Haiku 4.5 on TokenHub?+
In TokenHub, select the exact model identifier displayed for Claude Haiku 4.5, use the endpoint documented for your account, and authenticate with your TokenHub credentials. Check the TokenHub model page for the available Claude features, context limits, tool support, and current model status for your account.
Ready to use Claude Haiku 4.5?
Use one API key to access Claude Haiku 4.5 and more AI models through TokenHub.
Media and Discussions
Selected public videos and posts related to this model.
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