OptiCoder Agent Pipeline

Multi-agent text-to-MILP system with structured JSON binding — numeric parameters are never LLM-copied into generated code.

Architecture

Agent Responsibility
Formulation Classify problem type; emit symbolic LP/MILP structure
Binding Extract parameters into structured JSON with provenance
Code Generator Deterministic Pyomo materialization from binding
Solver Execute HiGHS / CBC / SCIP
Validator Feasibility, objective, constraint verification
Repair Fix orientation and binding errors

Base Model

Fine-tuned from chenyitian-shanshu/SIRL-Gurobi (SIRL / Qwen2.5 family).

Training Data

Aurora-Gem/OptMATH-Train

Benchmark

ZhiqiGao/Text2Opt-Bench

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