Available Models
| Model | Context | Images | Tools | Price (1M tokens) |
|---|---|---|---|---|
| Claude Sonnet 4 High-performance model balancing capability and speed | 200K | ✓ | ✓ | $3 / $15 |
| Claude Haiku Fast, cost-effective model for simple tasks | 200K | ✓ | ✓ | $0.25 / $1.25 |
Authentication
API KEY
Standard API key authentication
Environment Variable: ANTHROPIC_API_KEY
Setup Steps:
- Create an account at console.anthropic.com
- Navigate to API Keys section
- Generate a new API key
- Set ANTHROPIC_API_KEY environment variable
OAUTH
OAuth for Claude subscriptions
Setup Steps:
- Run openclaw onboard
- Select OAuth authentication
- Complete browser-based login
- Tokens are automatically managed
Configuration Example
{
"models": {
"providers": {
"anthropic": {
"apiKey": "${ANTHROPIC_API_KEY}"
}
}
},
"agents": {
"defaults": {
"model": {
"primary": "anthropic/claude-sonnet-4-20250514"
}
}
}
}Use Anthropic with Messaging Channels
Connect Anthropic to your favorite messaging platforms:
Connect AI to WhatsApp via Baileys protocol
View Guide →Telegram
Full-featured Telegram bot with commands and reactions
View Guide →Discord
Discord bot with slash commands and threads
View Guide →Slack
Slack app with Block Kit and threads
View Guide →Signal
Encrypted messaging via signal-cli daemon
View Guide →iMessage
Apple iMessage integration (macOS only)
View Guide →Matrix
Decentralized Matrix protocol support
View Guide →Microsoft Teams
Enterprise Teams integration via Microsoft SDK
View Guide →Nostr
Decentralized Nostr protocol support
View Guide →Frequently Asked Questions
How much does Anthropic cost with OpenClaw?
Anthropic pricing depends on your usage. Anthropic charges based on tokens processed. OpenClaw itself is free and open source. You only pay for the AI provider API costs.
How do I authenticate Anthropic with OpenClaw?
Anthropic supports api_key, oauth. The most common method is using an API key which you can get from the Anthropic console.
Which Anthropic models work with OpenClaw?
OpenClaw supports all Anthropic models including Claude Sonnet 4, Claude Haiku. You can configure your preferred model in openclaw.json or use model aliases for convenience.
Can I use Anthropic as a fallback provider?
Yes, OpenClaw supports automatic failover. You can configure Anthropic as a fallback in the model configuration. If your primary provider fails, OpenClaw will automatically switch to Anthropic.