Pick Letta if
engineers who will run the CLI or the web app and already have an API key or a coding plan.
Read the Letta pageLetta vs Supermemory
Our take
Pick Letta if engineers who will run the CLI or the web app and already have an API key or a coding plan. Pick Supermemory if builders who will burn the Free $0 / $5 monthly credits on the Memory API, then buy Pro at $19/month ($20 credits included) when they want auto top-up and 3 seats.
Supermemory
memory graph for agents
Best for
Letta An agent that remembers you across sessions
Supermemory Persistent memory metered in credits
Free plan
Letta $0
Supermemory $0 · /month. $5 credits included, renewed monthly. All plugins. Full search + Memory API. 1 team seat, unlimited end users. Email support
Lowest paid
Letta Pro (personal) $20/mo
Supermemory Rate card $0.005
Next step up
Letta
Supermemory Pro $19/mo
Coding agent
Letta Persistent memory
Supermemory Claude Code
Runs where
Letta Hosted
Supermemory Hosted
Watch out
Letta You bring the model bill on Free
Supermemory Subscription credits reset monthly
Last checked
Letta 2026-10-22 · letta.com/pricing
Supermemory 2026-10-22 · supermemory.ai/pricing
Which one, then?
Pick Supermemory if
builders who will burn the Free $0 / $5 monthly credits on the Memory API, then buy Pro at $19/month ($20 credits included) when they want auto top-up and 3 seats.
Read the Supermemory page