Pick DSPy if
python teams who will write signatures and a metric and already have a model API key.
Read the DSPy pageDSPy vs Mastra
Our take
Pick DSPy if python teams who will write signatures and a metric and already have a model API key. Pick Mastra if typeScript teams who will run Node and already have provider keys.
Best for
DSPy A maintainable LM program in a repo
Mastra Ship an agent in Node/Next
Free plan
DSPy $0
Mastra $0 · you bring model keys
Lowest paid
DSPy Not published by the vendor
Mastra Persistent server (24/7) $100
Coding agent
DSPy
Mastra Agents + tools
Runs where
DSPy Hosted
Mastra Hosted
Watch out
DSPy You bring the model bill
Mastra Framework $0 is not tokens
Last checked
DSPy 2026-10-22 · github.com/stanfordnlp/dspy/blob
Mastra 2026-10-22 · mastra.ai/pricing
Which one, then?
Pick Mastra if
typeScript teams who will run Node and already have provider keys.
Read the Mastra page