kitio.aiClaude Code vs Butterfish
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Butterfish is completely free, while Claude Code is paid.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Terminal agent
- IDE extensions
- Subagents and hooks
- MCP support
- GitHub Actions integration
- AI prompts inside bash and zsh
- Shell history as context
- Command autocomplete from AI
- Goal mode agent
- Neovim plugin
| Feature | Claude Code | Butterfish |
|---|---|---|
| Best for | Anthropic's agentic coding tool for terminal, IDE and web | Open-source shell wrapper that adds AI prompts to bash and zsh |
| Category | Coding | Coding |
| Pricing model | Paid | Free |
| Starting price | $20/mo | Free |
| Free plan | No | Yes, fully free |
| Made by | Anthropic | Peter Bakkum |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Butterfish is completely free, while Claude Code is paid.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Pro
$20/mo
- Claude Code included
- More usage than Free
- Claude in Chrome
Max
$100/mo
- From $100; 5x or 20x Pro usage
- Higher output limits
- $100-$200/mo in API credits
Team Standard
$25/mo
- Per seat
- Claude Code and Cowork
- More usage than Pro
Team Premium
$125/mo
- Per seat
- 5x usage of standard seats
Enterprise
$20/seat + usage
- Billed annually, 20-seat minimum
- Usage at API rates
- Admin spend controls
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Claude Code
- Strong at multi-step coding tasks
- Highly customizable with hooks and skills
- Works where you already code
- Usage limits on Pro plan
- Locked to Anthropic models
Butterfish
- Free and MIT licensed
- No copy and paste between tools
- Keeps your existing shell setup
- Needs your own OpenAI-compatible API key
- No Windows support
- Agent mode can run commands on your system
Which one should you choose?
Choose Claude Code if you want:
- Strong at multi-step coding tasks
- Highly customizable with hooks and skills
- Works where you already code
Watch out: usage limits on pro plan.
Choose Butterfish if you want:
- Free and MIT licensed
- No copy and paste between tools
- Keeps your existing shell setup
Watch out: needs your own openai-compatible api key.
Claude Code vs Butterfish FAQ
What is the difference between Claude Code and Butterfish?
Claude Code: Anthropic's agentic coding tool for terminal, IDE and web. Butterfish: Open-source shell wrapper that adds AI prompts to bash and zsh. Both are coding tools.
Is Claude Code or Butterfish cheaper?
Butterfish is completely free, while Claude Code is paid.
Do Claude Code and Butterfish have free plans?
Claude Code: No. Butterfish: Yes, fully free.
Who makes Claude Code?
Claude Code is made by Anthropic, based in United States.
Who makes Butterfish?
Butterfish is made by Peter Bakkum.
Which should I choose, Claude Code or Butterfish?
Choose Claude Code if you value strong at multi-step coding tasks and highly customizable with hooks and skills. Choose Butterfish if you value free and mit licensed and no copy and paste between tools.