Platforms & Infrastructure

Letta alternatives

Explore 8 options alongside Letta (Letta), a product in Platforms & Infrastructure.

Candidates share an existing guide group, a comparison, or specific tags within the same category. This shortlist is not a ranking or a test result.

Mem0

Related: shares the task Automation agents

Memory infrastructure that stores and retrieves persistent context for agents across sessions.

Freemium

Use cases

  • Persistent context for AI agents
  • Personalization across conversations

Pricing: Hosted Free covers 10000 adds and 1000 retrievals with model calls during the first 30 days. Using your own LLM key raises the listed allowance to 50000 adds and 10000 retrievals per month; overages are metered with a user-set monthly cap, and larger contracts are custom.

Pricing ↗ · Documentation ↗ · Sources

This record was last reviewed on 2026-11-03.

Supermemory

Related: shares the task Automation agents

Memory and retrieval API that gives agents long-term user context and searchable knowledge.

Freemium

Use cases

  • Persistent context for AI agents
  • Personalization across conversations

Pricing: Free includes USD 5 of credits renewed monthly. Pro is USD 19 per month with USD 20 included usage; memory and SuperRAG have different meters, and additional consumption is charged separately from the subscription.

Pricing ↗ · Documentation ↗ · Sources

This record was last reviewed on 2026-11-03.

Zep

Related: shares the task Automation agents

Enterprise context layer that organizes business data, documents and conversations into temporal context graphs.

Freemium

Use cases

  • Persistent context for AI agents
  • Personalization across conversations

Pricing: Free access has credit limits. Flex is USD 125 per month billed monthly with 50000 credits; ingestion and retrieval consume credits and automatic top-ups can add charges. Open-source Graphiti is distinct from the hosted Zep service.

Pricing ↗ · Documentation ↗ · Sources

This record was last reviewed on 2026-11-03.

Activepieces

Related: shares the task Automation agents

Workspace combining AI agents, visual flows, tables and application connections.

Freemium

Use cases

  • Combine agents and automation flows in one workspace
  • Route support triage, invoice intake and lead handling through flows

Pricing: Free lists 1,000 monthly credits and up to five users. Paid plans add credits and controls; own model keys, overage pricing and self-hosted enterprise options have separate terms.

Sources

This record was last reviewed on 2026-11-03.

Agenta

Related: shares the task Automation agents

Team workspace for creating AI coworkers and scheduled or event-triggered automations through chat.

Freemium

Use cases

  • Development of tool-using agents
  • Construction of retrieval-augmented applications

Pricing: Hobby gives 75 daily free credits on up to 10 days per month, plus a one-time 500-credit signup bonus. Starter is USD 29 per month with 2900 credits; credits cover included models and runtime, and paid plans do not charge per seat.

Pricing ↗ · Documentation ↗ · Sources

This record was last reviewed on 2026-11-03.

Agentforce

Related: shares the task Automation agents

Salesforce's enterprise AI agent platform for building, testing, and running autonomous agents across service, sales, and employee workflows.

Paid

Use cases

  • Always-on customer service that resolves cases and escalates when needed
  • Sales development agents that answer product questions and book meetings
  • Employee support agents that automate routine internal tasks

Pricing: Salesforce customers can start with Agentforce through Salesforce Foundations. Paid options include Flex Credits, resolutions, and per-user licensing.

Pricing ↗ · Documentation ↗ · Sources

This record was last reviewed on 2026-09-04.

Agno

Related: shares the task Automation agents

Agent SDK and AgentOS runtime for combining agents into durable services, teams and workflows.

Open (open weights/source)

Use cases

  • Development of tool-using agents
  • Construction of retrieval-augmented applications

Pricing: Self-hosting the open-source project and buying the hosted platform are separate choices. The hosted service has its own plans and usage limits; self-hosting still requires infrastructure and any model-provider charges.

Documentation ↗ · Sources

This record was last reviewed on 2026-11-03.

Aisera

Related: shares the task Automation agents

Enterprise service agents now offered and supported by Automation Anywhere.

Paid

Use cases

  • Automate IT service management and employee support requests
  • Resolve service-desk tickets and provision application access

Pricing: The vendor confirms continued Aisera product support after acquisition. Pricing and renewals depend on the agreement; reviewed pages did not establish a comparable starting price or free quota.

Sources

This record was last reviewed on 2026-11-03.

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