Forgevsphi
Generated from the two spec rows. Green marks the better value where a spec has a clear direction. Everything else is just different.
Forge
Tailcall, Inc. · Terminal agent
#33OSSMCP
Panel
6.92 spec wins
- Reliability
- 6.5
- Usefulness
- 6.8
- Cost
- 8.0
- Longevity
- 6.2
“You summon it by typing a colon, which is the most vim thing ever to happen to a coding agent.”
phi
Pulse AI Club · Terminal agent
#28OSSMCP
Panel
6.92 spec wins
- Reliability
- 7.2
- Usefulness
- 6.5
- Cost
- 8.0
- Longevity
- 6.0
“Its extensions talk over a binary protocol on standard input and output, because JSON was apparently the slow part of asking a model.”
Spec by spec
| Spec | Forge | phi |
|---|---|---|
| Architecture | ||
| Category | Terminal agent | Terminal agent |
| Runs | local | local |
| Platforms | macos, linux, windows | macos, linux, windows |
| Context window | not documented | not documented |
| Protocols | ||
| MCP client | Yes | Yes |
| MCP server | No | No |
| Capabilities | ||
| Runs terminal commands | Yes | Yes |
| Multi-file edits | Yes | Yes |
| Git operations | Yes | No |
| Browser control | No | NoExternal HTTP fetch is available only through an MCP server you configure. |
| Sandboxed execution | No | No |
| Multi-agent orchestration | Yes | Yes |
| Headless / CI mode | No | Yes"phi run -p" executes one agent loop headlessly, and a headless-strict mode is one of the configurable permission modes. |
| Models | ||
| Backbone | Claude, GPT, Gemini, Grok, DeepSeek | OpenAI-compatible, Anthropic |
| Bring your own model | Yes | Yes |
| Local models | No | YesAny OpenAI-compatible base URL can be configured, including a locally served endpoint. |
| Cost | ||
| Pricing model | byok | byok |
| Starts at | n/a | $0/mo |
| Free tier | Yes | Yes |
| Bring your own key | Yes | Yes |
| Openness | ||
| Open source | Yes | Yes |
| License | Apache-2.0 | MIT |
| GitHub stars | 7,638 | 524 |
Which one would each critic pick
| Critic | Forge | phi | Pick |
|---|---|---|---|
| El Juez | — | — | not enough reviews |
| El Amigo | 7.0 | 7.3 | phi — Pick phi if you have ever had an agent quietly mangle a file; pick a more forgiving terminal agent if you would rather it guessed than stopped. |
| El Crítico | 6.8 | 6.3 | Forge — Setup inserts it into the interactive path of your shell, so a coding agent with command execution now sits between you and every line you type. |
| El Profesor | 7.3 | 7.5 | phi — Sub-agents run isolated jobs whose turns stay out of the parent's context while remaining visible in the interface, which separates what the operator sees from what the model reads. |
| La Inversora | 6.3 | 5.5 | Forge — Tailcall ships this open with optional Forge Services layered on, and no price attached to those services, which means the business model is still being drafted. |
| La Jefa | 6.0 | 6.3 | phi — Free at any headcount, and it runs one loop non-interactively with a strict headless permission mode, which makes it the rare desktop tool that can also be a pipeline step. |
| El Hacker | 8.0 | 8.8 | phi — MIT, any compatible base URL including one I serve myself, and tool servers listed by name only until the agent calls list, inspect and invoke to reach them on demand. |
Picks are derived from each critic's own scores. Humans vote on matchups on the duels page.