OpenAI Codex CLI vs GitHub Copilot CLI vs Tendem

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
GitHub Copilot CLI
Competitor 2
Tendem
Competitor 3
Suggested competitors for OpenAI Codex CLI: Gemini CLI100% Qwen Code98% OpenCode97% Visual Studio Code95% JetBrains AI Assistant95% Kimi Code94% Google Antigravity93% Amp93%
Compare
3 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.
Remove
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.
Make main Remove
Competitor Tendem
tendem.ai
You describe what you need done and an AI system breaks it down into a plan
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
56.2Kvisits/mo
MoM change
—
—
▼ 21.2%
6-month growth
—
—
+19.7%
Global rank web
—
—
#488,380
Avg. last 3 months
—
—
65.4K
Bounce rate lower is better
—
—
37%
Pages / visit
—
—
2.4
Visit duration
—
—
15s
Traffic sources
—
—
● Direct 92% · ● Referral 4%
OpenAI Codex CLIGitHub Copilot CLITendem
017.8K35.7K53.5K71.3KTendem · 18.2KTendem · 38.1KTendem · 42KTendem · 47KTendem · 44.8KTendem · 49KTendem · 68.7KTendem · 71.3KTendem · 56.2K10K100KTendem · 18.2KTendem · 38.1KTendem · 42KTendem · 47KTendem · 44.8KTendem · 49KTendem · 68.7KTendem · 71.3KTendem · 56.2KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Freemium
Starting price
—
Free
Free tier
Free tier
–
Free trial
–
–
–
API access
–
–
–
Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
—
Free Credits $20
Capabilities input → output
Input
CodeImagesText
CodeText
DocumentsText
Output
Code
Code
DataDocumentsSlides
Skill level
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Productivity & OfficeAI Agent
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
4
8
Coding
–
Agents
–
Developer tools
–
Lead generation
–
–
Market research
–
–
Pitch decks
–
–
Advertising creatives
–
–
Brand identity
–
–
GitHub management
–
–
Logo ideas
–
–
Sales prospecting
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
–
–
–

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.