ChatGPT vs Context Engine
ChatGPT and Context Engine are both AI assistants tools. ChatGPT is aimed at small businesses and creators, while Context Engine is aimed at small businesses and developers. ChatGPT costs less, from $8/mo versus $12/mo for Context Engine. Both have a free plan.
OpenAI's conversational assistant
Shared memory that AI agents and team members read and write
| Pricing | Freemium · $8 | Freemium · $12 |
| Starting price | $8/mo | $12/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Small businesses, Creators, Developers | Small businesses, Developers, Agencies |
| Platforms | web, ios, android, macos, windows | web |
| Country | US · 2022 | US |
| Rating | — | — |
Choose ChatGPT if
Knowledge workers, students and teams who want one general-purpose assistant with wide capabilities.
- Broadest feature set and app ecosystem
- Strong free tier
- Desktop and mobile apps are polished
Look elsewhere if: Workflows that need deterministic outputs or on-premise deployment; use APIs with structured outputs instead.
Choose Context Engine if
Small teams and agencies that use several AI assistants and want one shared, auditable memory across them.
- Unlimited human users on every plan, including free
- Low entry price of $12 a month per engine
- Works with ChatGPT, Claude, Claude Code and Cursor
Look elsewhere if: Developers who want an embeddable memory library inside their own agent code (Mem0, Zep).
ChatGPT vs Context Engine pricing
ChatGPT
- Free$0Ad-supported, limited usage
- Go$8/moAd-supported, higher limits than Free
- Plus$20/moAdvanced models and features
- Pro (5x)$100/mo5x Plus usage
- Pro (20x)$200/mo20x Plus usage
Context Engine
- Free$01 agent (up to 3 via referrals) and 1 GB per engine, unlimited users
- Pro$12/moPer engine: 10 agents, 25 GB; $99/yr billed annually
- Unlimited$39/moPer engine: unlimited agents, 100 GB; $299/yr annually
- EnterpriseFrom $6,000/yrSelf-hosted install, SSO, roles and audit log
ChatGPT · Key features
- Chat with web search, citations and file/image analysis
- Deep Research for long-form multi-source reports
- Image generation and editing
- Advanced Voice mode and desktop apps
- Custom GPTs with Actions and a GPT Store
- Projects, memory and Business/Enterprise admin controls
Cons
- Usage limits on Plus for the best models
- Pro tier is expensive
- Hallucinations still require verification
Context Engine · Key features
- Shared memory that AI tools read and save to over MCP
- Separate engines, each with its own database and search index
- Per-connection access set to read only or read and save
- Plain-language answers that cite their source memories
- Automatic daily, weekly and monthly summaries
- Duplicate detection that updates the existing memory
Cons
- Free plan allows one agent per engine, three at most through referrals
- Each connected tool counts as a separate agent
- Self-hosting only on the Enterprise plan from $6,000 a year
ChatGPT vs Context Engine: FAQ
Which is cheaper, ChatGPT or Context Engine?
ChatGPT starts at $8/mo and Context Engine at $12/mo. Both prices are checked on the vendors' own pricing pages.
Do ChatGPT and Context Engine have a free plan?
Yes, both ChatGPT and Context Engine have a free plan; paid plans add more usage and features.