Anthropic (Claude models)
120 AI Chat lets you connect your own Anthropic API key.
API Key Setup Guide
- Visit console.anthropic.com.
- In Account Settings, generate your API key.
- In 120 AI Chat → Settings → AI Providers, paste your key into the Anthropic Key field.
💡 Billing is managed directly by Anthropic.
Example pricing (Sep 2025):
- Claude Opus 3 and 4.1: $15 / million input tokens, $75.00 / million output tokens.
- Claude Sonnet 3.7: $3 / million input tokens, $15.00 / million output tokens.
- Claude Haiku 3: $0.25 / million input tokens, $1.25 / million output tokens.
See the latest pricing at Anthropic Pricing.