Anthropic

Claude 4 family — best reasoning, coding, and agentic capabilities

API Configuration

API Type	`anthropic-messages`
Base URL	`https://api.anthropic.com`
Auth Mode	api_key
Auth Keys	`ANTHROPIC_API_KEY` — API Key — obtain from https://console.anthropic.com/
Regions	us, eu
Default Model	`claude-sonnet-4-6`
Status	active

Pay-as-you-go per token. $5 free credit for new accounts. See anthropic.com/pricing for per-model rates.

Sign up at console.anthropic.com, add a payment method, then create an API key at Settings → API Keys. New accounts receive $5 free credit.

Model	Context	Max Output	Pricing	Features
Claude Opus 4.6 `claude-opus-4-6` Most intelligent model for agents and coding	1.0M	128K	Input $5/M, output $25/M. Cache read $0.50/M, cache write $6.25/M.
Claude Sonnet 4.6 `claude-sonnet-4-6` Best combination of speed and intelligence	1.0M	64K	Input $3/M, output $15/M. Cache read $0.30/M, cache write $3.75/M.

Last verified: 2026-03-19