OpenAI Codex CLI vs Augment Code vs GitHub Copilot CLI vs Codespell

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
OpenAI Codex CLI
vs
Competitor 1
Augment Code
Competitor 2
GitHub Copilot CLI
Competitor 3
Codespell
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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Competitor Augment Code
augmentcode.com
Augment Code is an agentic software development company whose Cosmos platform runs software agents across the development lifecycle.
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Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
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Competitor Codespell
codespell.ai
CodeSpell, recently rebranded as SoftSpell, operates as an IDE-integrated coding assistant that generates code and documentation through a combination of inline suggestions and chat-based interactions
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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MoM change
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▼ 53.3%
6-month growth
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Global rank web
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#9,819,950
Avg. last 3 months
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1.6K
Bounce rate lower is better
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0%
Pages / visit
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Visit duration
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Traffic sources
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OpenAI Codex CLIAugment CodeGitHub Copilot CLICodespell
01.1K2.3K3.4K4.6KCodespell · 4.6KCodespell · 3.9KCodespell · 3.2KCodespell · 1.5K1K10KCodespell · 4.6KCodespell · 3.9KCodespell · 3.2KCodespell · 1.5KJan '26FebMarApr
Pricing
Model
Paid
Paid
Free
Free Trial
Starting price
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$20per month
Free
$12per month
Free tier
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Free trial
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API access
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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Standard $20/moBusiness $100/moEnterprise Custom
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Starter $12/moGrowth $20/moEnterprise Custom
Capabilities input → output
Input
CodeImagesText
CodeText
CodeText
CodeText
Output
Code
Code
Code
CodeDocuments
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+2 more
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Coding AssistantAI Testing
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
6
5
9
Coding
Agents
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Testing
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Developer tools
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Code reviews
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GitHub pull requests
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Modernization
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Agent creation
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Code autocompletion
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Code documentation
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Code testing
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Development
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GitHub management
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Terminal
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Test automation
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Test cases
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Test creation
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Community on aitoolstime
Rating
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Upvotes
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Saves
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Reviews
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Prompts
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.