Stop paying to compute the same answer twice.
Production LLM traffic re-asks the same questions in different words — and a string-keyed cache misses every one of them. Bud Cache decides, in under a millisecond on a CPU, whether a genuinely equivalent request has already been answered. Hits return at cache speed. Misses pass through untouched.
A cache that understands the question.
Bud Cache is the accuracy-first response cache for large language models, built on the same Resource Aware Attention family as Bud Sentinel. It reuses answers only across genuinely equivalent requests — cutting inference cost and latency without serving a wrong answer.
Measured on the sealed CacheBench held-out set (400 pairs); latency on a single commodity CPU core. On the same benchmark, GPTCache 0.1.44 scores 52.6% accuracy with a 68.2% wrong-answer rate.
- Bud Cache is not a stack layer — it sits in the serving path in front of Bud AI Foundry (Layer 04), and belongs to the Resource Aware Attention family alongside Bud Sentinel; CPU-only, governed by SENTRY on hits and misses alike.
- The decision: a first request misses, passes through to the model (~1,500ms) and is learned; a genuine paraphrase decomposes into five signals — entities, quantities, constraints, negation, intent — all agree, and the cached answer returns in ~0.2ms; a look-alike with one flipped signal passes through untouched — biased toward caution. 92% decision accuracy, 1.5% wrong-answer rate, 79% useful hit rate on the sealed CacheBench held-out set (400 pairs).
- Six capabilities: equivalence not similarity; near-zero wrong answers; sub-millisecond CPU-only; a PAC-bounded safety target; self-tuning zero-config; never stale — RFC 9111 native.
- The result: safety and savings, at once.
Safety or savings becomes safety and savings.
Today's caches make you pick a side: exact-match caches almost never hit, and single-score semantic caches serve confidently wrong answers at production volume. Bud Cache reuses an answer only when five signals agree the request is genuinely equivalent — and when they disagree, it lets the request through. A missed reuse costs one model call; a wrong reuse costs trust.
A cache that earns the reuse.
Single-score caches can't tell “looks alike” from “means the same.” These six are why Bud Cache can — and why it never has to choose between accuracy and speed.
Equivalence, not similarity
Entities, quantities, constraints, negation, and intent are checked in their own right — an answer is reused only when every signal agrees.
Near-zero wrong answers
Coverage is traded away deliberately — 2.4% wrong under adversarial paraphrases, where GPTCache 0.1.44 reaches 96.3% on the same benchmark.
Sub-millisecond, CPU-only
~285× faster per lookup than GPTCache and ~7,500× faster than a model call — with no GPU anywhere in the cache tier.
A safety bound you set
The wrong-answer rate is held under a target you choose — a mathematical PAC bound, not a hopeful threshold. When signals disagree, the request passes through.
Self-tuning, zero-config
Calibrates to each workload automatically — one Lenient / Balanced / Strict knob, and no ML team required to operate it.
Never stale by design
RFC 9111 native — time-sensitive questions get short lifetimes and never cross a day boundary, honouring no-store, no-cache, max-age, and min-fresh.
The full story, in depth.
Every headline number paired with how it was measured, the full comparison matrix, and the enterprise control list.
Product Brief
Bud Cache Product Brief
The deep-dive product reference
The five-signal equivalence architecture, the sealed-benchmark methodology behind every number, the four-way comparison matrix, and the enterprise controls in full.
Read the product briefPlatform White Paper
The Enterprise AI Management Platform
Where serving economics come from
The platform-level argument — why serving, governance, and cost control belong on one plane, and the economics that follow.
Read the white paperPut your data on it.
The fastest way to see what an integrated AI operating system does for your enterprise is a proof-of-concept on your infrastructure, with your data.