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OpenTofu reached GA in January 2024 as an open-source Terraform fork under MPL 2.0, with Linux Foundation governance. Six months later, it is a stable drop-in replacement: same configs, same state format, same CLI. Version 1.7 adds native state encryption, the first real technical edge over Terraform.
Embeddings retrieve fast but rank poorly. A reranker over the top-100 lifts precision 15–30 %. When it pays off and when it does not.
GPT-4 Turbo, released in November 2023, expanded GPT-4's context to 128,000 tokens and cut the input price threefold, down to 10 dollars per million tokens. GPT-4o now beats it on price, speed and answer quality, but Turbo still holds up in stable production apps, contracts pinned to a specific version, and deterministic tests that depend on its exact behaviour.
