aiagentrank.io

Codex CLI vs Manus: 2026 comparison

OpenAI’s open-source terminal agent for refactors, audits and migrations.

💻CodeSemi-autonomousOpen source
CodeTool use

General-purpose agent that turns a single prompt into a finished deliverable.

🔬ResearchAutonomousFreemium · from $19
BrowserTool useCodeMemory

Codex CLI vs Manus — specs

SpecCodex CLIManus
Agent Rank68 / 100 (B)87 / 100 (S)
AutonomySemi-autonomousAutonomous
PricingFree · OSSFreemium · from $19
Open sourceYesNo
CapabilitiesCode, Tool useBrowser, Tool use, Code, Memory, RAG
Integrations2 apps3 apps
VerifiedVerifiedVerified
ReleasedApr 2025May 2025

Categories: Codex CLICode · ManusResearch

Agent Rank breakdown

Codex CLI
Agent Rank
68/ 100
BB-tier
Autonomy fit
8
Capabilities
4
Integrations
4
Pricing value
10
Polish & maturity
5
Verifiability
10

Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?

Manus
Agent Rank
87/ 100
SS-tier
Autonomy fit
9
Capabilities
10
Integrations
6
Pricing value
8
Polish & maturity
9
Verifiability
10

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
Manus
Pros
  • +Produces a finished artifact, not just a brief — slide decks, market maps, briefs
  • +Strong browser + tool use; handles multi-source synthesis cleanly
  • +AGENTS20 coupon stacks with annual billing
Cons
  • Confident on topics where the expert answer is "it depends"
  • Cites occasional fabricated sources — verify any high-stakes claim
  • Premium model gating means heavy users hit the $49 tier fast

Pricing

Codex CLI
Open source
Free
CLI-native engineers
  • +Apache-2.0 binary
  • +BYO OpenAI / Anthropic key
  • +Composable from Makefiles + scripts
Manus
Starter
$19/mo
Solo operators
  • +100 daily credits
  • +Standard models
  • +Browser + tool use
Recommended
Pro
$49/mo
Heavy users
  • +Unlimited credits
  • +Premium models
  • +Faster queue
  • +Priority support
Team
$199/mo
Teams
  • +5 seats
  • +Shared workspaces
  • +Admin controls

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 →
Manus

Pick Manus if you want the highest autonomy and the verification loop is in place.

Claim AGENTS20

Affiliate links. We may earn a commission at no extra cost to you.

Frequently asked

Should I pick Codex CLI or Manus in 2026?+

Pick Codex CLI if cost is the main constraint or if auditability or self-hosting matters. Pick Manus 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 Manus for the workflows where its specific strengths matter.

What's the price difference between Codex CLI and Manus?+

Codex CLI starts at Free · OSS; Manus starts at Freemium · from $19. 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 Manus?+

Manus 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.

Want the real monthly cost at your volume? Run the TCO calculator →
← Build your own comparison