OpenCode vs Augment Code vs Functionize vs OpenAI Codex CLI

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

Your tool
OpenCode
vs
Competitor 1
Augment Code
Competitor 2
Functionize
Competitor 3
OpenAI Codex CLI
Compare
4 tools · best value per row highlighted
Your tool OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Remove
Competitor Augment Code
augmentcode.com
Augment Code is an agentic software development company whose Cosmos platform runs software agents across the development lifecycle.
Make main Remove
Competitor Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Make main Remove
Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
—
—
MoM change
—
—
—
—
6-month growth
—
—
—
—
Global rank web
—
—
—
—
Avg. last 3 months
—
—
—
—
Bounce rate lower is better
—
—
—
—
Pages / visit
—
—
—
—
Visit duration
—
—
—
—
Traffic sources
—
—
—
—
Pricing
Model
Free
Paid
Freemium
Paid
Starting price
Free
$20per month
$20per month · free tier available
—
Free tier
–
–
Free trial
–
–
–
–
API access
–
–
–
–
Plans
—
Standard $20/moBusiness $100/moEnterprise Custom
Free FreeGrowth $20/moScale $100/moEnterprise Custom
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Capabilities input → output
Input
CodeText
CodeText
TextWeb pages
CodeImagesText
Output
Code
Code
Data
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+2 more
Development & CodeAI Testing
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
6
5
2
Coding
–
Testing
–
–
Agents
–
–
Developer tools
–
–
Code reviews
–
–
–
Test automation
–
–
–
Test creation
–
–
–
Test generation
–
–
–
Code testing
–
–
–
Cve monitoring
–
–
–
Development
–
–
–
Local AI
–
–
–
Self hosted
–
–
–
Test cases
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.