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The Agents Index

Buyer's guides

Shortlists of the agents for one job, ranked, with what each costs.

15 pieces

AI answers read
135
Agents checked
214
Pieces in the library
61
Expected next study
11 Nov

NewestBuyer's guide

What AI agent frameworks cost to start and scale

Most AI agent frameworks are free to start, and the bill arrives with the hosted layer, priced by plan, seat, credits or usage.

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Logos of LlamaIndex, Letta, Google Agent Development Kit (ADK), Claude Agent SDK, AgentsKit, LiveKit Agents, LangGraph, OpenAI Agents SDK (Python). 8 agents compared, from $20 a month.

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