CustomGPT vs SciPhi: A Detailed Comparison

Priyansh Khodiyar's avatar
Priyansh KhodiyarDevRel at CustomGPT
Comparison Image cover for the blog CustomGPT vs SciPhi

Fact checked and reviewed by Bill. Published: 01.04.2024 | Updated: 25.04.2025

In this article, we compare CustomGPT and SciPhi across various parameters to help you make an informed decision.

Welcome to the comparison between CustomGPT and SciPhi!

Here are some unique insights on CustomGPT:

CustomGPT.ai is our own RAG-as-a-Service platform—a way to turn your internal data into a smart assistant without wrestling with infrastructure. Whether you drop in files or point it at a website, it handles the heavy lifting and gives you a clean API (plus a friendly UI) so both developers and business folks can get moving fast.

We built CustomGPT.ai to take the pain out of AI roll-outs: everything works out of the box, yet you can dig deeper whenever you need tighter integrations or special tweaks.

And here's more information on SciPhi:

SciPhi is an open-source RAG platform that touts massive scale, hybrid search, and auto-generated knowledge graphs. It’s developer-friendly and highly flexible—if you’re ready for the learning curve.

Enjoy reading and exploring the differences between CustomGPT and SciPhi.

Comparison Matrix

Feature
logo of customGPT logoCustomGPT
logo of sciphiSciPhi
Data Ingestion & Knowledge Sources
  • Lets you ingest more than 1,400 file formats—PDF, DOCX, TXT, Markdown, HTML, and many more—via simple drag-and-drop or API.
  • Crawls entire sites through sitemaps and URLs, automatically indexing public help-desk articles, FAQs, and docs.
  • Turns multimedia into text on the fly: YouTube videos, podcasts, and other media are auto-transcribed with built-in OCR and speech-to-text. View Transcription Guide
  • Connects to Google Drive, SharePoint, Notion, Confluence, HubSpot, and more through API connectors or Zapier. See Zapier Connectors
  • Supports both manual uploads and auto-sync retraining, so your knowledge base always stays up to date.
  • Handles 40 + formats—from PDFs and spreadsheets to audio—at massive scale Reference.
  • Async ingest auto-scales, crunching millions of tokens per second—perfect for giant corpora Benchmark details.
  • Ingest via code or API, so you can tap proprietary databases or custom pipelines with ease.
Integrations & Channels
  • Embeds easily—a lightweight script or iframe drops the chat widget into any website or mobile app.
  • Offers ready-made hooks for Slack, Microsoft Teams, WhatsApp, Telegram, and Facebook Messenger. Explore API Integrations
  • Connects with 5,000+ apps via Zapier and webhooks to automate your workflows.
  • Supports secure deployments with domain allowlisting and a ChatGPT Plugin for private use cases.
  • Ships a REST RAG API—plug it into websites, mobile apps, internal tools, or even legacy systems.
  • No off-the-shelf chat widget; you wire up your own front end API snippet.
Core Chatbot Features
  • Powers retrieval-augmented Q&A with GPT-4 and GPT-3.5 Turbo, keeping answers anchored to your own content.
  • Reduces hallucinations by grounding replies in your data and adding source citations for transparency. Benchmark Details
  • Handles multi-turn, context-aware chats with persistent history and solid conversation management.
  • Speaks 90+ languages, making global rollouts straightforward.
  • Includes extras like lead capture (email collection) and smooth handoff to a human when needed.
  • Core RAG engine serves retrieval-grounded answers; hook it to your UI for multi-turn chat.
  • Multi-lingual if the LLM you pick supports it.
  • Lead-capture or human handoff flows are yours to build through the API Use case.
Customization & Branding
  • Fully white-labels the widget—colors, logos, icons, CSS, everything can match your brand. White-label Options
  • Provides a no-code dashboard to set welcome messages, bot names, and visual themes.
  • Lets you shape the AI’s persona and tone using pre-prompts and system instructions.
  • Uses domain allowlisting to ensure the chatbot appears only on approved sites.
  • Fully bespoke—design any UI you want and skin it to match your brand.
  • SciPhi focuses on the back end, so front-end look-and-feel is entirely up to you.
LLM Model Options
  • Taps into top models—OpenAI’s GPT-4, GPT-3.5 Turbo, and even Anthropic’s Claude for enterprise needs.
  • Automatically balances cost and performance by picking the right model for each request. Model Selection Details
  • Uses proprietary prompt engineering and retrieval tweaks to return high-quality, citation-backed answers.
  • Handles all model management behind the scenes—no extra API keys or fine-tuning steps for you.
  • LLM-agnostic—GPT-4, Claude, Llama 2, you choose.
  • Pick, fine-tune, or swap models anytime to balance cost and performance Model options.
Developer Experience (API & SDKs)
  • Ships a well-documented REST API for creating agents, managing projects, ingesting data, and querying chat. API Documentation
  • Offers open-source SDKs—like the Python customgpt-client—plus Postman collections to speed integration. Open-Source SDK
  • Backs you up with cookbooks, code samples, and step-by-step guides for every skill level.
  • REST API plus a Python client (R2RClient) handle ingest and query tasks Python SDK.
  • Docs and GitHub repos offer deep dives and open-source starter code SciPhi GitHub.
Integration & Workflow
  • Gets you live fast with a low-code dashboard: create a project, add sources, and auto-index content in minutes.
  • Fits existing systems via API calls, webhooks, and Zapier—handy for automating CRM updates, email triggers, and more. Auto-sync Feature
  • Slides into CI/CD pipelines so your knowledge base updates continuously without manual effort.
  • Runs as a microservice—slot it into doc pipelines, CRMs, or any enterprise workflow.
  • Trigger ERP updates or support tickets straight from query escalations Integration overview.
Performance & Accuracy
  • Delivers sub-second replies with an optimized pipeline—efficient vector search, smart chunking, and caching.
  • Independent tests rate median answer accuracy at 5/5—outpacing many alternatives. Benchmark Results
  • Always cites sources so users can verify facts on the spot.
  • Maintains speed and accuracy even for massive knowledge bases with tens of millions of words.
  • Hybrid search (dense + keyword) keeps retrieval fast and sharp.
  • Knowledge-graph boosts (HybridRAG) drive up to 150 % better accuracy Benchmark details.
  • Sub-second latency—even at enterprise scale.
Customization & Flexibility (Behavior & Knowledge)
  • Lets you add, remove, or tweak content on the fly—automatic re-indexing keeps everything current.
  • Shapes agent behavior through system prompts and sample Q&A, ensuring a consistent voice and focus. Learn How to Update Sources
  • Supports multiple agents per account, so different teams can have their own bots.
  • Balances hands-on control with smart defaults—no deep ML expertise required to get tailored behavior.
  • Add new sources, tweak retrieval, mix collections—everything’s programmable.
  • Chain API calls, re-rank docs, or build full agentic flows Customizability.
Pricing & Scalability
  • Runs on straightforward subscriptions: Standard (~$99/mo), Premium (~$449/mo), and customizable Enterprise plans.
  • Gives generous limits—Standard covers up to 60 million words per bot, Premium up to 300 million—all at flat monthly rates. View Pricing
  • Handles scaling for you: the managed cloud infra auto-scales with demand, keeping things fast and available.
  • Free tier plus a $25/mo Dev tier for experiments.
  • Enterprise plans with custom pricing and self-hosting for heavy traffic Pricing.
Security & Privacy
  • Protects data in transit with SSL/TLS and at rest with 256-bit AES encryption.
  • Holds SOC 2 Type II certification and complies with GDPR, so your data stays isolated and private. Security Certifications
  • Offers fine-grained access controls—RBAC, two-factor auth, and SSO integration—so only the right people get in.
  • Customer data stays isolated in SciPhi Cloud; self-host for full control.
  • Standard encryption in transit and at rest; tune self-hosted setups to meet any regulation.
Observability & Monitoring
  • Comes with a real-time analytics dashboard tracking query volumes, token usage, and indexing status.
  • Lets you export logs and metrics via API to plug into third-party monitoring or BI tools. Analytics API
  • Provides detailed insights for troubleshooting and ongoing optimization.
  • Dev dashboard shows real-time logs, latency, and retrieval quality Dashboard.
  • Hook into Prometheus, Grafana, or other tools for deep monitoring.
Support & Ecosystem
  • Supplies rich docs, tutorials, cookbooks, and FAQs to get you started fast. Developer Docs
  • Offers quick email and in-app chat support—Premium and Enterprise plans add dedicated managers and faster SLAs. Enterprise Solutions
  • Benefits from an active user community plus integrations through Zapier and GitHub resources.
  • Community help via Discord and GitHub; Enterprise customers get dedicated support Support info.
  • Open-source core encourages community contributions and integrations.
Additional Considerations
  • Slashes engineering overhead with an all-in-one RAG platform—no in-house ML team required.
  • Gets you to value quickly: launch a functional AI assistant in minutes.
  • Stays current with ongoing GPT and retrieval improvements, so you’re always on the latest tech.
  • Balances top-tier accuracy with ease of use, perfect for customer-facing or internal knowledge projects.
  • Advanced extras like GraphRAG and agentic flows push beyond basic Q&A GraphRAG.
  • Great fit for enterprises needing deeply customized, fully integrated AI solutions.
No-Code Interface & Usability
  • Offers a wizard-style web dashboard so non-devs can upload content, brand the widget, and monitor performance.
  • Supports drag-and-drop uploads, visual theme editing, and in-browser chatbot testing. User Experience Review
  • Uses role-based access so business users and devs can collaborate smoothly.
  • No no-code UI—built for devs to wire into their own front ends.
  • Dashboard is utilitarian: good for testing and monitoring, not for everyday business users.

We hope you found this comparison of CustomGPT vs SciPhi helpful.

In short, CustomGPT.ai is designed to help you scale quick and stay confident. A straightforward dashboard, solid performance, and responsive support mean you spend less time worrying about the plumbing and more time shipping great features.

Thanks for checking out what CustomGPT.ai can do. If you have questions or want a hand getting started, our team’s always here to help.

SciPhi can power a deeply customized RAG stack, but expect significant engineering effort. If speed to launch trumps fine-grained control, you might look to a simpler managed service.

Stay tuned for more updates!

CustomGPT

The most accurate RAG-as-a-Service API. Deliver production-ready reliable RAG applications faster. Benchmarked #1 in accuracy and hallucinations for fully managed RAG-as-a-Service API.

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Priyansh Khodiyar's avatar

Priyansh Khodiyar

DevRel at CustomGPT. Passionate about AI and its applications. Here to help you navigate the world of AI tools.