{"slug":"letta-cloud","name":"Letta Cloud","owner":null,"repo":null,"category":"memory-context","lang":"","blurb":"Fully-managed API for stateful agents that manage their own memory like an OS (context = RAM, archival = disk) and self-improve over time.","use_cases":"[]","alternatives":[],"stars":0,"pushed_at":null,"synced_at":null,"kind":"api","one_liner":"Fully-managed API for stateful agents that manage their own memory like an OS (context = RAM, archival = disk) and self-improve over time.","website":"https://www.letta.com","docs_url":"https://docs.letta.com","signup_url":"https://app.letta.com/api-keys","pricing_model":"usage-based","pricing_note":"Free personal tier to start; API billed usage-based on the underlying model's token costs","auth_type":"api-key","agent_signup":"manual-only","agent_signup_note":"Human creates a key at app.letta.com/api-keys. Letta server is open-source and can be self-hosted with no external key.","mcp_server":"","sdks":["Python","TypeScript","REST"],"code_sample":"{\"lang\":\"python\",\"code\":\"from letta_client import Letta\\n\\nclient = Letta(token=\\\"LETTA_API_KEY\\\")\\nagent = client.agents.create(\\n    model=\\\"openai/gpt-4o-mini\\\",\\n    embedding=\\\"openai/text-embedding-3-small\\\",\\n    memory_blocks=[{\\\"label\\\": \\\"human\\\", \\\"value\\\": \\\"The human's name is Chad.\\\"}],\\n)\\nresp = client.agents.messages.create(\\n    agent_id=agent.id,\\n    messages=[{\\\"role\\\": \\\"user\\\", \\\"content\\\": \\\"Remember I love hiking.\\\"}],\\n)\"}","tags":["memory","agents","stateful","self-improving","open-source"],"useCases":[],"codeSample":{"lang":"python","code":"from letta_client import Letta\n\nclient = Letta(token=\"LETTA_API_KEY\")\nagent = client.agents.create(\n    model=\"openai/gpt-4o-mini\",\n    embedding=\"openai/text-embedding-3-small\",\n    memory_blocks=[{\"label\": \"human\", \"value\": \"The human's name is Chad.\"}],\n)\nresp = client.agents.messages.create(\n    agent_id=agent.id,\n    messages=[{\"role\": \"user\", \"content\": \"Remember I love hiking.\"}],\n)"},"oneLiner":"Fully-managed API for stateful agents that manage their own memory like an OS (context = RAM, archival = disk) and self-improve over time.","docsUrl":"https://docs.letta.com","signupUrl":"https://app.letta.com/api-keys","pricingModel":"usage-based","pricingNote":"Free personal tier to start; API billed usage-based on the underlying model's token costs","authType":"api-key","agentSignup":"manual-only","agentSignupNote":"Human creates a key at app.letta.com/api-keys. Letta server is open-source and can be self-hosted with no external key.","mcpServer":""}