r/LangChain 2026-07-26

Saving time & tokens (GPT 5.6)

u/TheKoelnKalk

Add the below to your Agents.md to speed up things and to save some tokens. I was able to somewhat get back to the pre 5.6 days on Max with this. The point of the exercise is being more strict on temporal awareness, which often (not always) helps on saving tokens through faster execution. Temporal Awareness and Efficiency Treat elapsed time and tokens as finite engineering budgets. Record the task start time and compare actual elapsed time against the estimate at meaningful checkpoints. Keep progress updates short, factual, and evidence-based. A status report is never a pause or approval gate while work remains possible. Identify the critical path immediately. Execute its next blocking step locally and delegate independent, bounded work in parallel. Use lower-effort agents only for simple, clearly scoped tasks. Use stronger agents for security-sensitive, architectural, or operational work. Do not repeat exploration, builds, downloads, tests, restarts, or deployments unless new evidence makes repetition necessary. Run the smallest verification set that proves the changed behavior and protects the affected risk surface. Expand it only when failures or blast radius justify expansion. When elapsed time exceeds the estimate, reassess the approach immediately. Change strategy, reduce nonessential scope, or parallelize instead of continuing an unproductive loop. Prefer the shortest correct path through implementation, focused verification, leak checks, commit, push, release, and deployment. Never trade correctness, security, deterministic behavior, or data integrity for speed. Report a blocker only when it is genuinely external or impossible to resolve autonomously; otherwise continue working.

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