AizenvsSemantix
Generated from the two spec rows. Green marks the better value where a spec has a clear direction. Everything else is just different.
Aizen
Talmetis Labs · Terminal agent
#220OSS
Panel
5.62 spec wins
- Reliability
- 4.8
- Usefulness
- 5.3
- Cost
- 8.2
- Longevity
- 4.2
“It has a time-machine feature, which is the most honest name yet for undoing what an agent did to your repository.”
Semantix
Gnosil · Terminal agent
#233OSS
Panel
5.61 spec wins
- Reliability
- 4.8
- Usefulness
- 5.3
- Cost
- 7.0
- Longevity
- 5.3
“It executes terminal commands directly on your local machine without a sandbox.”
Spec by spec
| Spec | Aizen | Semantix |
|---|---|---|
| Architecture | ||
| Category | Terminal agent | Terminal agent |
| Runs | local | local |
| Platforms | macos, linux, windows | macos, linux |
| Context window | not documented | not documented |
| Protocols | ||
| MCP client | No | No |
| MCP server | No | No |
| Capabilities | ||
| Runs terminal commands | Yes | Yes |
| Multi-file edits | Yes | Yes |
| Git operations | Yes | No |
| Browser control | No | No |
| Sandboxed execution | No | No |
| Multi-agent orchestration | Yes | No |
| Headless / CI mode | No | No |
| Models | ||
| Backbone | OpenAI-compatible | |
| Bring your own model | Yes | Yes |
| Local models | No | No |
| Cost | ||
| Pricing model | byok | free |
| Starts at | $0/mo | n/a |
| Free tier | Yes | Yes |
| Bring your own key | Yes | Yes |
| Openness | ||
| Open source | Yes | Yes |
| License | Apache-2.0 | MIT |
| GitHub stars | 115 | 821 |
Which one would each critic pick
| Critic | Aizen | Semantix | Pick |
|---|---|---|---|
| El Juez | — | — | not enough reviews |
| El Amigo | 6.0 | 6.3 | Semantix — Pick Semantix if you want to experiment with agent memory and cost reduction on a local CLI agent, and are willing to work with an early-stage open-source tool. |
| El Crítico | 5.3 | 5.8 | Semantix — Semantix claims to reduce costs, but its own documentation states these benefits are unverified in production. |
| El Profesor | 6.0 | 5.5 | Aizen — Context comes from a codebase index with semantic search and an LSP server, so retrieval is grounded in a parse rather than in string matching. No evaluation accompanies the claim. |
| La Inversora | 5.0 | 4.3 | Aizen — Talmetis Labs, 109 stars, no price, no hosted tier and no revenue line. This is a portfolio piece, and the survival question is whether its author stays interested. |
| La Jefa | 4.5 | 4.0 | Aizen — Nothing per seat, and nothing I can govern either: no console, no audit log, no data retention statement and no unattended mode to make it a measurable pipeline step. |
| El Hacker | 7.0 | 8.0 | Semantix — Semantix is a MIT-licensed agent kernel that adds cross-session memory to reduce token burn; it's a solid, verifiable component I can build on or attach to existing tools. |
Picks are derived from each critic's own scores. Humans vote on matchups on the duels page.