Reviews, practice, migrations and thinking on open-source AI customer support.https://flag92.com/en-UShttps://flag92.com/en/blog/chatwoot-captain-vs-dify/https://flag92.com/en/blog/chatwoot-captain-vs-dify/Chatwoot's built-in Captain can reply with an LLM directly — but it trades off against a bolted-on Dify Agent Bot. Clear criteria here.Wed, 25 Mar 2026 00:00:00 GMTselectionChatwootDifyhttps://flag92.com/en/blog/top-10-pitfalls/https://flag92.com/en/blog/top-10-pitfalls/The 10 most frequent issues we've seen rolling out Chatwoot + Dify / FastGPT over the past year — repro and fix for each.Wed, 18 Mar 2026 00:00:00 GMTpitfallspracticehttps://flag92.com/en/blog/fastgpt-kb-tuning/https://flag92.com/en/blog/fastgpt-kb-tuning/FastGPT defaults give ~60% retrieval accuracy. Tuned right it reaches ~90%. Step-by-step measurements for chunking, augmentation, reranking.Wed, 25 Feb 2026 00:00:00 GMTdeep-diveFastGPTRAGhttps://flag92.com/en/blog/all-local-ai-support/https://flag92.com/en/blog/all-local-ai-support/Under strict no-data-egress mandates, can one GPU server run the entire AI support stack? Hardware, models, KB, exposure — end to end.Wed, 18 Feb 2026 00:00:00 GMTdeep-divelocal inferenceOpen WebUIOllamahttps://flag92.com/en/blog/n8n-orchestration-for-ai-support/https://flag92.com/en/blog/n8n-orchestration-for-ai-support/The business-logic layer of an AI support stack gets ignored. n8n's 800+ nodes glue Chatwoot, Dify, CRM, ERP and Slack together.Wed, 11 Feb 2026 00:00:00 GMTdeep-diven8nautomationhttps://flag92.com/en/blog/ragflow-vs-dify-knowledge/https://flag92.com/en/blog/ragflow-vs-dify-knowledge/A 30-page product manual with tables, two-column layout and scanned pages. Indexed with both. Top-5 accuracy and answer quality compared.Wed, 04 Feb 2026 00:00:00 GMTdeep-diveRAGFlowDifycomparisonhttps://flag92.com/en/blog/ai-support-kpi-framework/https://flag92.com/en/blog/ai-support-kpi-framework/Don't measure deflection alone — here's a 4-layer 12-metric framework covering experience, cost and training.Wed, 29 Apr 2026 00:00:00 GMTopsKPImetricshttps://flag92.com/en/blog/dify-vs-fastgpt/https://flag92.com/en/blog/dify-vs-fastgpt/The two most popular open-source LLM app platforms in China overlap heavily. This compares them across 8 dimensions and gives recommendations.Wed, 22 Apr 2026 00:00:00 GMTcomparisonDifyFastGPThttps://flag92.com/en/blog/knowledge-base-preparation/https://flag92.com/en/blog/knowledge-base-preparation/A bad KB ruins any LLM budget. End-to-end repeatable pipeline — export, clean, chunk, augment, evaluate — with Python.Wed, 15 Apr 2026 00:00:00 GMTpracticeRAGknowledge basehttps://flag92.com/en/blog/rag-quality-evaluation/https://flag92.com/en/blog/rag-quality-evaluation/"Feels better than last week" is not measurement. Five quantitative RAG metrics and three open-source evaluators.Wed, 08 Apr 2026 00:00:00 GMTbenchmarkRAGqualityhttps://flag92.com/en/blog/cloudflare-tunnel-tuning/https://flag92.com/en/blog/cloudflare-tunnel-tuning/One-command Cloudflare Tunnel for Chatwoot + Dify hides production gotchas — WebSocket drops, timeouts, monitoring blind spots. A checklist.Wed, 01 Apr 2026 00:00:00 GMTdeploymentCloudflareopshttps://flag92.com/en/blog/chinese-embedding-benchmark/https://flag92.com/en/blog/chinese-embedding-benchmark/Same Chinese KB, same real support questions — five embedding models compared on retrieval accuracy, speed and cost.Tue, 12 May 2026 00:00:00 GMTbenchmarkembeddingRAGhttps://flag92.com/en/blog/chatwoot-deep-review/https://flag92.com/en/blog/chatwoot-deep-review/We ran Chatwoot 4.x in production for 6 months — 40k+ tickets, 12 agents, full debrief on Inbox, Captain, API and gotchas.Tue, 10 Mar 2026 00:00:00 GMTdeep-diveChatwoothttps://flag92.com/en/blog/dify-workflow-patterns/https://flag92.com/en/blog/dify-workflow-patterns/Ten Dify workflow patterns that survive production — KB fallback, context compression, concurrent tool calls, retries and more.Tue, 03 Mar 2026 00:00:00 GMTdeep-diveDifyworkflowhttps://flag92.com/en/blog/why-self-host-ai-support/https://flag92.com/en/blog/why-self-host-ai-support/SaaS support keeps getting pricier while open-source matures. A framework across cost, compliance and control.Sun, 10 May 2026 00:00:00 GMTthinkingevaluationhttps://flag92.com/en/blog/migrate-zendesk-to-chatwoot/https://flag92.com/en/blog/migrate-zendesk-to-chatwoot/Zendesk's ticketing is heavier than Intercom's; the hardest part of migrating to Chatwoot is rewriting Triggers / Automations / Macros.Sun, 25 Jan 2026 00:00:00 GMTmigrationChatwootZendeskhttps://flag92.com/en/blog/migrate-gpts-to-dify/https://flag92.com/en/blog/migrate-gpts-to-dify/Custom GPTs are great for tinkering but limit you when you go commercial, need an API or want to swap models. Step-by-step Builder → Dify migration.Sun, 18 Jan 2026 00:00:00 GMTmigrationDifyOpenAIhttps://flag92.com/en/blog/migrate-intercom-to-chatwoot/https://flag92.com/en/blog/migrate-intercom-to-chatwoot/Data export, field mapping, parallel running, cutover — a battle-tested playbook with scripts and traps.Sun, 01 Feb 2026 00:00:00 GMTmigrationChatwootIntercomhttps://flag92.com/en/blog/case-study-cross-border-ecommerce/https://flag92.com/en/blog/case-study-cross-border-ecommerce/A Shopify + WhatsApp e-commerce shop migrated from Intercom to Chatwoot + Dify. Six months of real numbers — cost, deflection, satisfaction.Fri, 15 May 2026 00:00:00 GMTcase studye-commercepracticehttps://flag92.com/en/blog/case-study-saas-migration/https://flag92.com/en/blog/case-study-saas-migration/A 2,000-customer, $2M ARR B2B SaaS completed Intercom → Chatwoot migration in 6 weeks. Full timeline, headcount, scars.Fri, 08 May 2026 00:00:00 GMTcase studymigrationSaaSChatwoothttps://flag92.com/en/blog/chinese-llm-bakeoff/https://flag92.com/en/blog/chinese-llm-bakeoff/Same support prompt and knowledge base — which of the five China-trained LLMs ships the best AI support? 200 real questions decide.Fri, 08 May 2026 00:00:00 GMTbenchmarkLLMmodel selectionhttps://flag92.com/en/blog/case-study-financial-onprem/https://flag92.com/en/blog/case-study-financial-onprem/No data egress, regulator approval, internal + external audit, DR plan. The real compliance journey for a mid-sized securities brokerage's local AI support.Fri, 01 May 2026 00:00:00 GMTcase studyfinancecomplianceon-premhttps://flag92.com/en/blog/case-study-education-promo/https://flag92.com/en/blog/case-study-education-promo/A coding-education company handled 120k conversations in 24 hours during 618 sale, AI deflection 81%. How engineering pre-tested, rate-limited, degraded gracefully.Fri, 24 Apr 2026 00:00:00 GMTcase studyeducationpromo dayload testhttps://flag92.com/en/blog/case-study-healthcare-rag/https://flag92.com/en/blog/case-study-healthcare-rag/An internet hospital launched AI health consultations. The hardest part — PHI must never reach the LLM. Their 3-tier KB + Pipeline redaction + audit architecture.Fri, 17 Apr 2026 00:00:00 GMTcase studyhealthcarecomplianceRAGhttps://flag92.com/en/blog/case-study-discord-community/https://flag92.com/en/blog/case-study-discord-community/A 18k-star OSS project went from drowning in Discord to clean AI + volunteer mod tiers handling 300k community asks.Fri, 10 Apr 2026 00:00:00 GMTcase studyopen sourceDiscordcommunity