Is Claude free to use?

Anthropic offers consumer plans, including a limited no-cost tier, plus paid plans. API usage is billed by tokens. Check Anthropic's current pricing for your use case.

Which Claude model should a business use?

Start with a Sonnet or Opus model for quality-sensitive work and use Haiku for high-volume simple tasks. Test on your real examples before deciding.

Is business data safe with Claude?

Anthropic's commercial and API offerings provide data-handling commitments, and cloud-platform access lets you use existing enterprise agreements. Review the current terms for your plan.

blog/llms & ai models

What Is Claude AI? A Business Guide to Anthropic's Claude Models

SoftiIntel Team · 30 September 2026 · 7 min read

the short answer

Claude is a family of large language models made by Anthropic, an AI safety and research company. Claude comes in tiers that trade capability against speed and cost. Opus is the most capable mainstream line, Sonnet balances intelligence and speed for everyday work, and Haiku is the fast, economical option. Businesses use Claude through the Claude apps or build it into their own products through the Anthropic API and major cloud platforms, for writing, analysis, coding, customer-facing assistants and AI agents that use tools.

Who is Anthropic?

Anthropic is an AI company focused on building reliable, steerable AI systems, with a strong emphasis on safety research. Claude is its flagship model family, offered to consumers, teams and enterprises, and to developers through an API.

The Claude model tiers

Opus: Anthropic's mainstream most-capable line, suited to complex reasoning, long documents, coding and multi-step agent work.
Sonnet: the balanced option. Strong capability at higher speed and lower cost, a common default for production workloads.
Haiku: the fastest and most economical tier, good for high-volume classification, routing and quick replies.
Anthropic also offers a top-end tier above Opus for the most demanding tasks, at a higher price.

What Claude is known for

Long context windows. Recent models can read very large documents or codebases in one go.
Careful, well-structured writing and analysis.
Strong coding and agentic tool use: calling your functions, searching and acting in multi-step workflows.
Configurable reasoning effort, so you can trade depth against cost and speed per task.

How businesses access Claude

Claude apps (web, desktop, mobile) for individuals and teams.
The Anthropic API, to build Claude into your own software.
Major cloud platforms including Amazon Bedrock, Google Cloud Vertex AI and Microsoft Foundry. Useful when you want to stay inside an existing cloud contract.

Typical business use cases

Customer support assistants grounded in your documentation.
Document review, summarisation and data extraction.
Sales and proposal drafting.
Internal knowledge assistants over SOPs and policies.
AI agents that update CRMs, draft replies and process back-office work.
Software development assistance.

Building with Claude

We build Claude-powered assistants and agents connected to your data and tools, with guardrails and review steps. See AI integrations and AI agents, or compare options in Claude vs ChatGPT vs Gemini.