Claude Configuration

Anthropic Claude Configuration

OpenCode Configuration

Add to your opencode.json:

{
  "providers": {
    "anthropic": {
      "apiKey": "${ANTHROPIC_API_KEY}",
      "models": {
        "claude-sonnet-4-20250514": {
          "maxTokens": 8192
        },
        "claude-3-5-sonnet-20241022": {
          "maxTokens": 8192
        },
        "claude-3-haiku-20240307": {
          "maxTokens": 4096
        }
      }
    }
  }
}

Environment Variables

export ANTHROPIC_API_KEY="your-api-key"

Model Names for Agents

Use these model identifiers:

• claude-sonnet-4-20250514 - Latest and most capable
• claude-3-5-sonnet-20241022 - Balanced performance
• claude-3-haiku-20240307 - Fast and affordable

Rate Limits

Model	Tier 1	Tier 2	Tier 3
Claude Sonnet 4	50 RPM	1000 RPM	4000 RPM
Claude 3.5 Sonnet	50 RPM	1000 RPM	4000 RPM
Claude 3 Haiku	50 RPM	1000 RPM	4000 RPM

RPM = Requests Per Minute. Tier based on spend.