Claude Code

Quick Setup

Before you can use Claude Code with Costa, you need to install Claude Code. You can install it using NPM or native install methods. For detailed instructions, see the Claude Code Quickstart Guide. Claude Code works seamlessly with Costa using our native Claude Code configuration. Just create a settings file and you’re done. Use this curl command to fetch your Costa configuration directly:

CLI
Manual

costa setup claude-code

Step 1: Create Settings File

Create .claude/settings.json in your project directory:

mkdir -p .claude

Step 2: Configure Costa Integration

Add the Costa configuration to ~/.claude/settings.json:

~/.claude/settings.json

{
  "env": {
    "ANTHROPIC_BASE_URL": "https://ai.costa.app/api",
    "ANTHROPIC_AUTH_TOKEN": "REPLACE_WITH_YOUR_API_KEY",
    "ANTHROPIC_DEFAULT_OPUS_MODEL": "costa/auto",
    "ANTHROPIC_DEFAULT_SONNET_MODEL": "costa/auto",
    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "costa/auto",
    "CLAUDE_CODE_SUBAGENT_MODEL": "costa/auto",
    "DISABLE_PROMPT_CACHING": "true"
  },
  "model": "costa/auto",
  "alwaysThinkingEnabled": true
}

Step 3: Start Coding

That’s it! Just run:

claude

Your Claude Code instance is now connected to Costa’s secure infrastructure, unlocking powerful features:

Costa Auto Router intelligent model selection
Zero-trust security scanning all interactions
Enterprise compliance and audit logging
Performance analytics to track your coding efficiency and model performance

Claude Code CLI

Claude Code works seamlessly with Costa Code in the CLI…

Claude Code VS Code Extension

… and also in Claude’s VS Code extension.

Unlock the power of Claude Code with any model

You can use any model with Claude Code, including costa/orbit, gpt-5, and others.If you love Claude Code, but have ever wondered whether it’s the IDE or models that give you that extra edge… with Costa Code you can break free from your IDE.Use any model you want and compare cross-model performance with Costa’s Analytics over time and find the combinations that are best for you.For a full list of available models, visit https://ai.costa.app/code/models.

Alternative Setup Methods

Environment Variables

Instead of the settings file, you can use environment variables:

export ANTHROPIC_BASE_URL=https://ai.costa.app/api
export ANTHROPIC_AUTH_TOKEN=your_costa_token_here
export ANTHROPIC_DEFAULT_OPUS_MODEL=costa/auto
export ANTHROPIC_DEFAULT_SONNET_MODEL=costa/auto
export ANTHROPIC_DEFAULT_HAIKU_MODEL=costa/auto
export CLAUDE_CODE_SUBAGENT_MODEL=costa/auto
export DISABLE_PROMPT_CACHING=true
claude

Getting Started

Core Concepts

Utilities

Integrations

Quick Setup

Step 1: Create Settings File

Step 2: Configure Costa Integration

Step 3: Start Coding

Claude Code CLI

Claude Code VS Code Extension

Unlock the power of Claude Code with any model

Alternative Setup Methods

Environment Variables

Getting Started

Core Concepts

Utilities

Integrations

​Quick Setup

​Step 1: Create Settings File

​Step 2: Configure Costa Integration

​Step 3: Start Coding

​Claude Code CLI

​Claude Code VS Code Extension

​Unlock the power of Claude Code with any model

​Alternative Setup Methods

​Environment Variables

Quick Setup

Step 1: Create Settings File

Step 2: Configure Costa Integration

Step 3: Start Coding

Claude Code CLI

Claude Code VS Code Extension

Unlock the power of Claude Code with any model

Alternative Setup Methods

Environment Variables