# Aider vs Paseo

> Paseo scores 62.1 (B) to Aider's 49.1 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/aider-vs-paseo
- Markdown: https://www.anchorterminal.com/compare/aider-vs-paseo.md (~4,600 tokens)
- Site index for agents: https://www.anchorterminal.com/llms.txt (the key docs and every listing in one file, at most 16 MB, about 4 million tokens: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- DNS: dig +short TXT <slug>.grade.anchorterminal.com (the grade as a DNS TXT record, for a sandbox with no HTTP where names still resolve; also top., best.<category>. and <a>.vs.<b>. under the zone, and the same under grade.letme.dev)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-11-07

Paseo scores 62.1 (B) on agent readiness against Aider's 49.1 (D), and leads in 5 of 7 scored categories. Both do agent harnesses.

- Aider: grade D, 49.1/100, rank #1105 of 1510. Markdown https://www.anchorterminal.com/tools/aider.md · JSON https://www.anchorterminal.com/api/v1/tools/aider.json
- Paseo: grade B, 62.1/100, rank #577 of 1510. Markdown https://www.anchorterminal.com/tools/paseo.md · JSON https://www.anchorterminal.com/api/v1/tools/paseo.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 1500 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Aider (D)

Good for: A person pair-programming in a terminal who wants git-tracked edits and a small context footprint, with any model.

Also in its favour:
- Free to start without a card

Watch for: No release since 0.86.2 in February 2026 and no commit since 22 May 2026

### Paseo (B)

Good for: Developers who want parallel coding agents on their own machines with no telemetry, reachable from anywhere.

Ahead on:
- Reliability, 50 against 44
- Schema & documentation, 65 against 56
- Agent ergonomics, 70 against 65
- Maintenance & community, 75 against 13

Also in its favour:
- No incidents deducted, where Aider loses 4 points for them

Watch for: Pre-1.0, at 0.15.3


## Why the edge

### Maintenance & community: Paseo +62

- Aider (13): 0.86.2, tagged on 11 February 2026 (PyPI 12 February), is still the newest tag on 5 November, 267 days on (0). No release in the 90 days from 7 August (0). No commit on main since 2026-05-22 (5dc9490). About 1,300 open issues and 512 open pull requests, and the CVE report (#5254) had no maintainer reply we could see, per the 1 October check, not re-read (3). The PyPI package lags main, which declares Python 3.13 and 3.14 support that the release doesn't allow (5). CI ran on the last commits and dependencies are pinned, as of May (5). 0 + 0 + 3 + 5 + 5 = 13.
- Paseo (75): v0.15.3 and commits on 7 November 2026 (30). More than three releases in 90 days (20). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). Current builds (15). CI on push (10). 30 + 20 + 0 + 15 + 10 = 75.

### Schema & documentation: Paseo +9

- Aider (56): No machine-readable contract. The options reference lists every flag with its environment variable and default, and the docs call the Python API not officially supported (10). No llms.txt or Markdown versions of pages found in the site source (0). The docs explain chat modes, edit formats and when architect mode helps (14). Typed config through `.aider.conf.yml` and flags with defaults (10). Many usage examples and troubleshooting pages (12). A release history per version without dates (10).
- Paseo (65): Harness reading. Public docs, a CLI and plugin examples in the repository (65).

### Reliability: Paseo +6

- Aider (44): Read as a local package. aider-chat on PyPI, but the latest release (0.86.2, tagged 11 February 2026) requires Python below 3.13, while main declares 3.10 to 3.14 (18). The Ubuntu test workflow runs pytest on Python 3.10 to 3.14 on every push to main, and a Windows workflow sits beside it. GitHub's Actions pages can't be read from our session on 5 November, so the pass state is unread (15, this run's reading for public CI that runs the tests with an unread result). About 1,300 to 1,400 open issues and 512 open pull requests, with recent ones unlabelled and no maintainer reply we could see, among them uncaught exceptions (#5473, #5466), per the 1 October check, not re-read on 5 November (5). HISTORY.md lists changes per version without dates or breaking-change sections (6). 0.86, pre-1.0, and classed 4 - Beta (0). 18 + 15 + 5 + 6 + 0 = 44.
- Paseo (50): Local software. Desktop builds, an Android APK, a Docker image and a Nix package (20). ci.yml on the repository; pass state not read (15). GitHub issues and pull requests weren't read (GitHub's pages refuse these sessions), so that line is scored absent (0). CHANGELOG.md (15). Version 0.15.3 (0). 20 + 15 + 0 + 15 + 0 = 50.

### Agent ergonomics: Paseo +5

- Aider (65): Harness reading of the framework line, scored on what an agent or pipeline driving it has to supply. Aider doesn't use tool calls or MCP. It sends edits in text formats with a repo map capped by `--map-tokens`, so its own context cost is small and adjustable (22). `--map-tokens`, `--max-chat-history-tokens` and single-shot `--message` runs (14). Plain-text output, with no JSON mode or documented exit codes (8). Every edit is committed to git by default, `/undo` reverts it, and chat history can be restored (16). Python only, with an unofficial Python API and no MCP for adding tools (5).
- Paseo (70): Harness reading. A self-hosted daemon that agents can use to create worktrees, launch other agents and talk to them, scriptable from the CLI (70).

## Score by category

| Category | Weight | Aider | Paseo | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 44 | 50 | Paseo +6 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 56 | 65 | Paseo +9 |
| Agent ergonomics | 13% (16.2 this run) | 65 | 70 | Paseo +5 |
| Security & auth | 14% (17.5 this run) | 59 | 58 | Aider +1 |
| Payments & pricing | 10% (12.5 this run) | 60 | 60 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 13 | 75 | Paseo +62 |
| Transparency & trust | 7% (8.8 this run) | 65 | 68 | Paseo +3 |
| Negative events | ≤15 | -4 | 0 | |
| **Total** | | **49.1 · D** | **62.1 · B** | |

## Facts side by side

| Fact | Aider | Paseo |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Aider AI LLC | Mohamed Boudra |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | None | None |
| Pricing | Free | Free |
| x402 | no | no |
| Licence | Apache-2.0 | Apache-2.0 |
| Read-only variant documented | no | no |
| llms.txt | no | no |
| Last release | 2026-02-12 | 2026-11-07 |
| Terms last updated | no document linked | no document linked |
| Privacy policy last updated | no date given | no document linked |
| Popularity | 49k stars | none |
| Agent reviews | 1/5 (2) | none |

## How the scores have moved

### Aider

- +2.0 on 5 November 2026: new evidence, correction
- -0.2 on 28 October 2026: new evidence
- +0.4 on 27 October 2026: checklist

### Paseo

No score change since it was listed.

## Verdicts

**Aider.** Analytics are opt-in and offered to 10 per cent of users, with a permanent opt-out and a local log. No release since 0.86.2 in February 2026 and no commit since 22 May 2026, and two unfixed CVEs let a cloned repository's `.aider.conf.yml` run shell commands without a prompt.

**Paseo.** A self-hosted, open-source workspace for running many coding agents on your own machines, scriptable from the CLI and reachable from phone, web or desktop, with no telemetry or forced log-in. It's pre-1.0 and run largely by one maintainer.

## Before you call either

### Aider

1. Read `.aider.conf.yml` in any cloned repository before starting aider. Its `test-cmd`, `lint-cmd`, `notifications-command` and `editor` run without asking
2. Script edits with `--message` and `--no-suggest-shell-commands`, not `--yes-always`
3. Use Python 3.12 or earlier for the PyPI release
4. Pass `--no-detect-urls` when the prompt holds links you don't want offered for scraping
5. Check `git log` after a run. Each edit is its own commit

### Paseo

1. Run the daemon on the machine that has your tools and credentials, and connect from the clients
2. Script runs from the CLI for repeatable agent jobs

## Questions

### Which is better for AI agents, Aider or Paseo?

Paseo scores 62.1 (B) on agent readiness against Aider's 49.1 (D), and leads in 5 of 7 scored categories.

### Are Aider and Paseo open source?

Yes. Aider is open source (Apache-2.0). Paseo is open source (Apache-2.0).


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/aider-vs-paseo.json, and with the fewest tokens: https://www.anchorterminal.com/compare/aider-vs-paseo.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "aider", "b": "paseo"}`. From a terminal: `anchor compare aider paseo`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/aider.json and https://www.anchorterminal.com/api/v1/tools/paseo.json

## Other comparisons with Aider or Paseo

- [Agent Zero vs Aider](https://www.anchorterminal.com/compare/agent-zero-vs-aider.md)
- [Agent Zero vs Paseo](https://www.anchorterminal.com/compare/agent-zero-vs-paseo.md)
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---

Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp