Context Engine vs Rerun
Context Engine and Rerun are both AI assistants tools. Context Engine is aimed at small businesses and developers, while Rerun is aimed at small businesses and agencies. Context Engine costs less, from $12/mo versus $29/mo for Rerun. Both have a free plan.
Shared memory that AI agents and team members read and write
Open-source AI coworkers that run on your Claude or ChatGPT plan
| Pricing | Freemium · $12 | Open source · $29 |
| Starting price | $12/mo | $29/mo |
| Free plan | Yes | Yes |
| Free trial | — | 5 days |
| Built for | Small businesses, Developers, Agencies | Small businesses, Agencies, Freelancers, Developers |
| Platforms | web | web |
| Country | US | — |
| Rating | — | — |
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).
Choose Rerun if
Small businesses and agencies that want always-on AI agents for routine sales, support and marketing work on a modest budget.
- Reuses an existing Claude or ChatGPT subscription for model costs
- Unlimited teammates on Pro with no per-seat fees
- Open source, so you can inspect and self-host the code
Look elsewhere if: Teams that need deterministic, auditable workflows or enterprise agent governance (n8n, Relevance AI).
Context Engine vs Rerun pricing
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
Rerun
- Free trial$05 days, card required, up to 3 coworkers, 350 credits
- Pro$29/mo5 coworkers, unlimited seats, 500 credits/mo; 20% off yearly
- EnterpriseCustomSSO, SLA, dedicated or self-hosted infrastructure
- Self-hosted$0AGPL-3.0 code on GitHub, bring your own Supabase and keys
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
Rerun · Key features
- AI coworkers with their own memory and skills on an isolated cloud machine
- Computer use to click through apps that have no integration
- Schedules, webhook triggers and on-demand runs
- Approval requests before sending, paying or deleting
- Foreman agent that plans and hires a team of coworkers
- Runs on Claude or ChatGPT subscriptions, API keys or Rerun credits
Cons
- Free trial requires a card and lasts only 5 days
- Hosted machines run in Europe only
- Self-hosting needs Docker, Node.js, Supabase and an OpenRouter key
Context Engine vs Rerun: FAQ
Which is cheaper, Context Engine or Rerun?
Context Engine starts at $12/mo and Rerun at $29/mo. Both prices are checked on the vendors' own pricing pages.
Do Context Engine and Rerun have a free plan?
Yes, both Context Engine and Rerun have a free plan; paid plans add more usage and features.