エンタープライズ向けコードインテリジェンスエージェント — コードに関する質問に回答し、大規模モノレポをナビゲート。
コード実行ツール利用RAGメモリ
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Augment Code vs Codex CLIwhich AI code agent should you pick in 2026?
Autonomous coding agent grounded in your whole codebase — multi-file edits with deep context.
CodeTool useMemoryRAG
Augment Code vs Codex CLI — specs
| Spec | Augment Code | Codex CLI |
|---|---|---|
| Agent Rank | 75 / 100 (A) | 70 / 100 (B) |
| Autonomy | Semi-autonomous | Semi-autonomous |
| Pricing | Freemium · from $30 | Free · OSS |
| Open source | No | Yes |
| Capabilities | Code, Tool use, Memory, RAG | Code, Tool use |
| Integrations | 3 apps | 2 apps |
| Verified | Verified | Verified |
| Released | Apr 2024 | Apr 2025 |
Agent Rank breakdown
Augment Code
Agent Rank
75/ 100
- 自律性
- 8
- 機能
- 8
- 連携
- 4
- 料金
- 7
- 完成度
- 8
- 検証性
- 10
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Codex CLI
Agent Rank
70/ 100
- 自律性
- 8
- 機能
- 4
- 連携
- 4
- 料金
- 10
- 完成度
- 6
- 検証性
- 10
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Pros & cons
Augment Code
メリット
- +Best-in-class context engine (200K tokens) — handles monoliths competitors choke on
- +Native AGENTS.md spec-driven workflow with multi-agent "Intent" orchestration
- +70.6% on SWE-Bench Verified — top of the public coding-agent leaderboard
デメリット
- −Enterprise focus = pricier than Cursor for solo devs
- −Less hands-off than fully-autonomous Devin/Factory Droid
- −Web/UI changes ship slower than IDE-first competitors
Codex CLI
メリット
- +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
デメリット
- −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
Pricing
Augment Code
Free
無料
Individuals
- +25 messages/month
- +VS Code + JetBrains
- +Public repos only
おすすめ
Pro
$30/月
Developers
- +Unlimited messages
- +200K Context Engine
- +Private repos
Enterprise
カスタム
Engineering teams
- +SSO + audit logs
- +Custom retention
- +Dedicated CS
Codex CLI
Open source
無料
CLI-native engineers
- +Apache-2.0 binary
- +BYO OpenAI / Anthropic key
- +Composable from Makefiles + scripts
Which one should you pick?
Augment Code
Pick Augment Code if its specific capabilities (Code, Tool use) match what you need.
Try Augment Code →Codex CLI
Pick Codex CLI if cost is the main constraint or if auditability or self-hosting matters.
Try Codex CLI →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Augment Code or Codex CLI in 2026?+
Pick Augment Code if its specific capabilities (Code, Tool use) match what you need. Pick Codex CLI if cost is the main constraint or if auditability or self-hosting matters. Most working teams running both can use Augment Code for primary work and Codex CLI for the workflows where its specific strengths matter.
What's the price difference between Augment Code and Codex CLI?+
Augment Code starts at Freemium · from $30; Codex CLI starts at Free · OSS. 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, Augment Code or Codex CLI?+
Both Augment Code and Codex CLI are Semi-autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.
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コード実行ツール利用RAGメモリDemo · hover to playGitHub のAIペアプログラマー — インライン補完、チャット、そしてPRを自動作成する新しいAgent モードを搭載。
コード実行ツール利用メモリDemo · hover to play
See more alternatives: alternatives to Augment Code · alternatives to Codex CLI
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