Option	Type	Default	Description
anthropicApiKey	string	undefined	API key for Anthropic. Optionally can be set using process.env.ANTHROPIC_API_KEY
model	string	—	The model to use. Must be specified when using anthropic.chat.v1.
temperature	number	undefined	Maps to temperature. See Anthropic Docs
maxTokens	number	4096	Maps to max_tokens. See Anthropic Docs
topP	number	undefined	Maps to top_p. See Anthropic Docs
topK	number	undefined	Maps to top_k. See Anthropic Docs
stopSequences	array	undefined	Maps to stop_sequences. See Anthropic Docs
stream	boolean	undefined	Note: Not supported yet.
metadata	object	undefined	Maps to metadata. See Anthropic Docs
serviceTier	string	undefined	Maps to service_tier. See Anthropic Docs

Anthropic Docs: link