ClickUp vs OpenAI Codex: Complete Comparison (2026)
An in-depth comparison of ClickUp and OpenAI Codex to help you choose the right tool for your business.
Last updated: November 2026
ClickUp
7.1/10
ClickUp is a work management platform with tasks, docs, chat, automations, AI agents and a CRM layer for contacts, companies and deals, aimed at business teams.
OpenAI Codex
6.8/10
OpenAI Codex is an AI coding agent that writes, edits and reviews code across a CLI, IDE extension, desktop app, web and cloud tasks, for developers and engineering teams.
Feature-by-Feature Comparison
| Feature | | O OpenAI Codex |
|---|---|---|
| Scores | ||
| Overall Rating | 7.1/10 | 6.8/10 |
| Analytics | 7/10 | 5/10 |
| Cost | 7/10 | 7/10 |
| Customization | 9/10 | 7/10 |
| Ease of Use | 5/10 | 7/10 |
| Integration | 8/10 | 7/10 |
| Scalability | 7/10 | 6/10 |
| Security | 8/10 | 8/10 |
| Support | 5/10 | 4/10 |
| Output Quality | Not listed | 8/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $12/user/mo Core | $8/mo Go |
| Estimated cost for 10 users | Free Free Forever | Free Free |
| Features | ||
| AI Agents | Not listed | |
| API Access | Not listed | |
| Code Generation | Not listed | |
| Enterprise Controls | Not listed | |
| More features | ||
| Collaboration | Not listed | |
| Lead Management | Not listed | |
| Integrations | Not listed | |
| Sales Automation | Not listed | |
| Opportunity Management | Not listed | |
| Contact Management | Not listed | |
| Reporting & Analytics | Not listed | |
| Mobile Access | Not listed | |
ClickUp vs OpenAI Codex cost by team size
ClickUp and OpenAI Codex cost the same at every team size we checked.
| Team size | ClickUp | OpenAI Codex |
|---|---|---|
| 1 user | FreeFree Forever | FreeFree |
| 5 users | FreeFree Forever | FreeFree |
| 10 users | FreeFree Forever | FreeFree |
| 25 users | FreeFree Forever | FreeFree |
| 50 users | FreeFree Forever | FreeFree |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose ClickUp
- Higher Analytics score (7/10 vs 5/10)
- Higher Customization score (9/10 vs 7/10)
- Better fit for small business (8/10 vs 5/10)
OWhy choose OpenAI Codex
- Higher Ease of Use score (7/10 vs 5/10)
- Better fit for freelancers (7/10 vs 5/10)
Pros & Cons
ClickUp
Pros
- Deals can become delivery projects in the same workspace, which suits agencies and consultancies that sell and deliver client work.
- The free plan allows unlimited members and unlimited tasks, so small teams can try the platform before paying.
- Custom fields, task types, many views and automations let teams model most pipelines and processes without code.
- Enterprise security options include SAML, SCIM, audit logs, data residency and HIPAA support with a BAA.
Cons
- It is not a dedicated CRM. Reviewers report needing Zapier automations for CRM workflows, and the CRM page does not confirm email sync or native calling.
- Reviewers report a steep learning curve and say new users need hours of training to become proficient.
- G2 and Capterra reviewers report bugs, slow performance and support replies that do not resolve problems.
- The late-2026 pricing change raised per-user list prices for new workspaces, and heavy AI use requires buying extra credits.
OOpenAI Codex
Pros
- Comes with existing ChatGPT plans, including a free tier and an $8 Go plan, so trying it costs little or nothing.
- Works across a CLI, IDE, desktop app, web, iOS and sandboxed cloud tasks, so developers can stay in their usual environment.
- Business plans include SAML SSO, MFA and admin controls, and business data is not used for training by default.
- Enterprise adds SCIM, EKM, RBAC, Compliance API audit logs and data residency for regulated organizations.
- Credits let teams keep working after hitting included limits instead of waiting for the window to reset.
Cons
- Usage limits are published only as wide ranges per five-hour window, which makes capacity hard to predict.
- In 2026 users repeatedly reported quotas draining far faster than expected, which forced OpenAI to reset limits for everyone.
- Forum users say the usage dashboard was buggy or delayed and support replies were generic.
- Fast and Ultrafast modes use included usage 2.5 to 8 times faster.
- Running Codex with an API key gives up the cloud features.
Not sold on either?
Frequently Asked Questions
ClickUp scores higher on our AI Software criteria: 7.1/10 against 6.8/10 for OpenAI Codex. The largest gap is in Analytics: 7/10 for ClickUp and 5/10 for OpenAI Codex.
Both are free for 10 users.
Yes, both ClickUp and OpenAI Codex have a free plan.
ClickUp is the better fit for small business: we rate it 8/10 for them, against 5/10 for OpenAI Codex.
