OSS terminal coding assistant — pair-programs, edits in place, commits as you go.
CodeTool use
Codex CLI vs Factory AIwhich AI code agent should you pick in 2026?
OpenAI’s open-source terminal agent for refactors, audits and migrations.
CodeTool use
Autonomous "Droid" agent for end-to-end engineering with native AGENTS.md support.
CodeTool useMemoryMulti-agent
Codex CLI vs Factory AI — specs
| Spec | Codex CLI | Factory AI |
|---|---|---|
| Agent Rank | 70 / 100 (B) | 75 / 100 (A) |
| Autonomy | Semi-autonomous | Autonomous |
| Pricing | Free · OSS | Subscription · from $40 |
| Open source | Yes | No |
| Capabilities | Code, Tool use | Code, Tool use, Memory, Multi-agent |
| Integrations | 2 apps | 4 apps |
| Verified | Verified | — |
| Released | Apr 2025 | Oct 2025 |
Agent Rank breakdown
Codex CLI
Agent Rank
70/ 100
- Autonomy
- 8
- Capabilities
- 4
- Integrations
- 4
- Pricing
- 10
- Polish
- 6
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Factory AI
Agent Rank
75/ 100
- Autonomy
- 9
- Capabilities
- 8
- Integrations
- 8
- Pricing
- 7
- Polish
- 7
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
Codex CLI
Pros
- +Zero-install terminal workflow — agent where engineers already live
- +Open source under permissive license; auditable end-to-end
- +Ideal for one-shot refactors, audits, and migrations
Cons
- −No long-running session UI; not built for hour-long autonomous work
- −Less polished than IDE-native alternatives
- −You wire the model key + handle rate limits
Factory AI
Pros
- +True end-to-end autonomy — Droid agent ships complete features without hand-holding
- +Native AGENTS.md adopter — fits modern repo conventions out of the box
- +Multi-agent coordination across linked repos for cross-service changes
Cons
- −Token-based pricing can spike on large refactors
- −Zed-first; JetBrains support newer, VS Code on roadmap
- −Less mature than Devin for very long-running autonomous sessions
Pricing
Codex CLI
Open source
Free
CLI-native engineers
- +Apache-2.0 binary
- +BYO OpenAI / Anthropic key
- +Composable from Makefiles + scripts
Factory AI
Standard
$40/mo
Individuals
- +Droid autonomous agent
- +Zed + JetBrains
- +5M Standard Tokens/mo
Recommended
Pro
$200/mo
Engineering teams
- +Unlimited Droids
- +50M tokens/mo
- +Multi-agent coordination
Enterprise
Custom
Large orgs
- +Custom token volume
- +SSO + audit
- +Dedicated support
Which one should you pick?
Codex CLI
Pick Codex CLI if cost is the main constraint or if auditability or self-hosting matters.
Try Codex CLI →Factory AI
Pick Factory AI if you want the highest autonomy and the verification loop is in place.
Try Factory AI →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Codex CLI or Factory AI in 2026?+
Pick Codex CLI if cost is the main constraint or if auditability or self-hosting matters. Pick Factory AI if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Codex CLI for primary work and Factory AI for the workflows where its specific strengths matter.
What's the price difference between Codex CLI and Factory AI?+
Codex CLI starts at Free · OSS; Factory AI starts at Subscription · from $40. Codex CLI is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, Codex CLI or Factory AI?+
Factory AI is the more autonomous of the two (Autonomous vs Semi-autonomous). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.
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Open-source autonomous coding agent that lives in your IDE.
CodeTool useBrowserDemo · hover to playOpen-source coding agent for VS Code and JetBrains — bring your own model, customize every prompt.
CodeTool useMemoryDemo · hover to play
See more alternatives: alternatives to Codex CLI · alternatives to Factory AI
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