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#1	---
#2	title: Overview
#3	description: 'Pick the right reranker path to boost Mem0 search relevance.'
#4	---
#5
#6	Mem0 rerankers rescore vector search hits so your agents surface the most relevant memories. Use this hub to decide when reranking helps, configure a provider, and fine-tune performance.
#7
#8	<Info>
#9	Reranking trades extra latency for better precision. Start once you have baseline search working and measure before/after relevance.
#10	</Info>
#11
#12	<CardGroup cols={3}>
#13	<Card
#14	title="Understand Reranking"
#15	description="See how reranker-enhanced search changes your retrieval flow."
#16	icon="search"
#17	href="/open-source/features/reranker-search"
#18	/>
#19	<Card
#20	title="Configure Providers"
#21	description="Add reranker blocks to your memory configuration."
#22	icon="settings"
#23	href="/components/rerankers/config"
#24	/>
#25	<Card
#26	title="Optimize Performance"
#27	description="Balance relevance, latency, and cost with tuning tactics."
#28	icon="speedometer"
#29	href="/components/rerankers/optimization"
#30	/>
#31	<Card
#32	title="Custom Prompts"
#33	description="Shape LLM-based reranking with tailored instructions."
#34	icon="code"
#35	href="/components/rerankers/custom-prompts"
#36	/>
#37	<Card
#38	title="Zero Entropy Guide"
#39	description="Adopt the managed neural reranker for production workloads."
#40	icon="sparkles"
#41	href="/components/rerankers/models/zero_entropy"
#42	/>
#43	<Card
#44	title="Sentence Transformers"
#45	description="Keep reranking on-device with cross-encoder models."
#46	icon="cpu"
#47	href="/components/rerankers/models/sentence_transformer"
#48	/>
#49	</CardGroup>
#50
#51	## Picking the Right Reranker
#52
#53	- API-first when you need top quality and can absorb request costs (Cohere, Zero Entropy).
#54	- Self-hosted for privacy-sensitive deployments that must stay on your hardware (Sentence Transformer, Hugging Face).
#55	- LLM-driven when you need bespoke scoring logic or complex prompts.
#56	- Hybrid by enabling reranking only on premium journeys to control spend.
#57
#58	## Implementation Checklist
#59
#60	1. Confirm baseline search KPIs so you can measure uplift.
#61	2. Select a provider and add the `reranker` block to your config.
#62	3. Test latency impact with production-like query batches.
#63	4. Decide whether to enable reranking globally or per-search via the `rerank` flag.
#64
#65	<CardGroup cols={2}>
#66	<Card
#67	title="Set Up Reranking"
#68	description="Walk through the configuration fields and defaults."
#69	icon="settings"
#70	href="/components/rerankers/config"
#71	/>
#72	<Card
#73	title="Example: Reranker Search"
#74	description="Follow the feature guide to see reranking in action."
#75	icon="rocket"
#76	href="/open-source/features/reranker-search"
#77	/>
#78	</CardGroup>
#79

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