A field report comparing hyperscale frontier models for memory adherence suggests that control surface is more critical than the model itself. Anthropic's Claude offers the deepest control through its SDK, enabling more deterministic writes. ChatGPT and Codex are noted as close contenders, particularly through AGENTS.md, though their SDKs were not fully explored. Gemini and Grok, conversely, seem to rely more on their internal memory and user prompts, making external database integration more challenging. AI
IMPACT Highlights the importance of system-level control for LLM memory adherence, suggesting developers should prioritize models offering deeper integration capabilities.
RANK_REASON This is a field report and opinion piece comparing existing models, not a new release or benchmark.
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