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Language Agents as Optimizable Graphs

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arxiv 2402.16823 v3 pith:JKL3JYFN submitted 2024-02-26 cs.AI cs.CLcs.LGcs.MA

Language Agents as Optimizable Graphs

classification cs.AI cs.CLcs.LGcs.MA
keywords agentsgraphsimprovecodeedgesgraphlanguagellms
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Various human-designed prompt engineering techniques have been proposed to improve problem solvers based on Large Language Models (LLMs), yielding many disparate code bases. We unify these approaches by describing LLM-based agents as computational graphs. The nodes implement functions to process multimodal data or query LLMs, and the edges describe the information flow between operations. Graphs can be recursively combined into larger composite graphs representing hierarchies of inter-agent collaboration (where edges connect operations of different agents). Our novel automatic graph optimizers (1) refine node-level LLM prompts (node optimization) and (2) improve agent orchestration by changing graph connectivity (edge optimization). Experiments demonstrate that our framework can be used to efficiently develop, integrate, and automatically improve various LLM agents. The code can be found at https://github.com/metauto-ai/gptswarm.

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