GEPA

bash

cd minigrid_containerexport OPENAI_API_KEY="..."bash run_fresh_gepa.sh --profile smokebash run_fresh_gepa.sh --profile longbash run_fresh_gepa.sh --list

Banking77 profiles may need OPENROUTER_API_KEY — see run_profiles/.

Config

Reference covers shared sections. GEPA adds:

code

[proposer]backend = "codex_app_server"model = "gpt-5.4-nano"auth_mode = "api_key"api_key_env = "OPENAI_API_KEY"[gepa]max_generations = 3proposals_per_generation = 6minibatch_size = 40max_total_rollouts = 4096

Examples

Directory	Task
minigrid_container	MiniGrid
banking77_container	Banking77
hotpotqa_container	HotpotQA
tblite_container	TBLite
crafter_container	Crafter

synth-cookbooks-public/cookbooks/optimizers/gepa