Claude Code vs Sunk Cost (2026): Which Vibe Coding App Is Better?
Both are popular terminal coding agents. Here is how Claude Code and Sunk Cost stack up on price, strengths and weaknesses, and which one we would pick.
Claude Code
Anthropic's agentic coding tool for the terminal, IDE, desktop and web
9.4 /10
Pricing: Paid from $20/mo
Pros
- Strongest ecosystem: skills, subagents, hooks, plugins and MCP
- Excellent at long, multi-step changes across a codebase
- Runs in terminal, IDEs, desktop and browser with one account
Cons
- No free plan; heavy use needs the more expensive Max plans
- AGENTS.md support has session-type exceptions (Bedrock, telemetry off) that still need a CLAUDE.md import
Sunk Cost
How long until a local LLM rig pays for itself?
6.5 /10
Pricing: Free
Pros
- Free, no signup, no cookies or IP logging
- Grounds the "buy hardware and run locally" debate in real numbers: hardware price, power draw and token throughput
- Includes a model capability leaderboard and hardware pricing database for context
Cons
- A single-purpose calculator, not an actual coding agent or MCP tool
- Estimates depend on self-reported hardware/pricing data and usage assumptions
Claude Code vs Sunk Cost at a glance
| Claude Code | Sunk Cost | |
|---|---|---|
| Editor score | 9.4 / 10 | 6.5 / 10 |
| Pricing model | Paid | Free |
| Starting price | $20/mo | Free |
| Reader upvotes | 3 | 0 |
| Best for | terminal, agent, anthropic | local-llm, cost-calculator, hardware |
| Agent Skills support | Yes | No |
| Subagents support | Yes | No |
| MCP support | Yes | No |
| AGENTS.md support | Yes | No |
| Plugins support | Yes | No |
| Hooks support | Yes | No |
| Rules support | No | No |
| Agent skills in this directory | 68 | 0 |
| Subagents & agents in this directory | 67 | 3 |
| MCP servers in this directory | 74 | 0 |
Our pick
Claude Code edges it with a score of 9.4 versus 6.5. Claude Code is the better fit if you value: strongest ecosystem: skills, subagents, hooks, plugins and mcp, excellent at long, multi-step changes across a codebase. Choose Sunk Cost instead if you need: free, no signup, no cookies or ip logging, grounds the "buy hardware and run locally" debate in real numbers: hardware price, power draw and token throughput.
Other terminal coding agents to consider
Full ranking →OpenAI Codex Freemium
OpenAI's coding agent for the terminal, IDE and cloud, included with ChatGPT plans
OpenCode Open source
Open-source terminal coding agent that works with any model provider
Amp Freemium
Frontier coding agent for the terminal and editor, from the makers of Sourcegraph
Orca Open source
An ADE for running fleets of coding agents in parallel worktrees, from desktop or mobile