LLM Provider

Anthropic

Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5 and more

Anthropic is an AI safety company that develops the Claude family of models. Claude models are known for nuanced instruction following, long-context retention, and safety-first design. Claude Fable 5 is Anthropic's most capable widely-released model, Opus delivers the strongest Opus-tier reasoning, Sonnet balances capability and cost, and Haiku is optimised for speed and throughput.

Official documentation

Available Models

Claude Fable 5

1M tokens

Anthropic's most capable widely-released model, built for the most demanding reasoning and long-horizon agentic work. Thinking is always on.

Best for: Frontier reasoning, long-horizon autonomous agents, the hardest tasks

Claude Opus 5

1M tokens

Anthropic's flagship Opus-tier model — a step-change over Opus 4.8, strongest on deep reasoning, agentic coding, and long-horizon work.

Best for: Complex agentic coding, enterprise workflows, deep reasoning

Claude Opus 4.8

1M tokens

The most capable Opus-tier model — highly autonomous, state-of-the-art on long-horizon agentic work, knowledge work, and memory.

Best for: Complex agentic workflows, vision-heavy tasks, deep reasoning

Claude Opus 4.7

1M tokens

Anthropic's most capable model. Excels at long-horizon agentic work, knowledge work, vision tasks, and memory. Supports a 1M token context window.

Best for: Complex agentic workflows, vision-heavy tasks, deep reasoning

Claude Opus 4.6

200k tokens

Anthropic's previous flagship model. Best for the most complex, multi-step tasks.

Best for: Deep analysis, research, complex reasoning

Claude Sonnet 5

1M tokens

The best combination of speed and intelligence in the Sonnet tier — near-Opus quality on coding and agentic work. Recommended for most production workflows.

Best for: Production workflows, document analysis, coding

Claude Sonnet 4.6

200k tokens

Previous-generation Sonnet. Ideal balance of intelligence and speed.

Best for: Production workflows, document analysis

Claude Haiku 4.5

200k tokens

The fastest and most cost-effective Claude model.

Best for: High-throughput tasks, simple extraction

Setup

Create an Anthropic account

Anthropic Console

Generate an API key

Go to Settings > API Keys and click Create Key. Name it (e.g. CipherSense) and copy it immediately.

Set usage limits

Under Settings > Limits, configure monthly spend caps and notification alerts to avoid unexpected costs.

Add the provider in CipherSense

Go to Organization Settings > LLM Providers > Add Provider. Select Anthropic, paste your API key, and click Save.

Connection Fields

Fields required when adding this provider in Organization Settings › LLM Providers.

Field	Required	Description
API Key	Required	Your Anthropic API key from console.anthropic.com/settings/keys.

Common Use Cases

Contract and document analysisLong-form content generationLegal and compliance reviewResearch summarizationCustomer service automationCode explanation

Ready to add Anthropic?

Configure this provider in your Organisation Settings and use it in any workflow.

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