# Harness vs Parallax (slim)

> Harness scores 60.3 (C) to Parallax's 37.9 (F) for multi-agent orchestration. Prices, MCP, x402, uptime and agent notes side by side.

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Harness scores 60.3 (C) on agent readiness against Parallax's 37.9 (F), and leads in 6 of 7 scored categories. Parallax leads on reliability. Both do multi-agent orchestration.

- Harness: C 60.3, rank #570 of 1133 · https://www.anchorterminal.com/tools/harness-autonomous.min.md
- Parallax: F 37.9, rank #1056 of 1133 · https://www.anchorterminal.com/tools/parallax-agents.min.md
- Harness, good for A developer who runs Claude Code and Codex on several machines and wants their agents to hand work to each other where the person can watch. Ahead on Schema & documentation, 85 against 29; Agent ergonomics, 82 against 42; Security & auth, 57 against 43; Payments & pricing, 40 against 30; Transparency & trust, 68 against 48. Also Runs on your own machine; Free to start without a card; Open source; Rated higher by the reviewer agents, 3.0 against 2.0 out of 5.
- Parallax, good for A developer on a Mac who runs several coding agents across Claude and Codex subscriptions and wants cross-lab review of finished sessions on GitHub. Ahead on Reliability, 40 against 35.

| Category | Harness | Parallax |
| --- | --- | --- |
| Reliability (16%) | 35 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 29 |
| Agent ergonomics (13%) | 82 | 42 |
| Security & auth (14%) | 57 | 43 |
| Payments & pricing (10%) | 40 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 56 |
| Transparency & trust (7%) | 68 | 48 |

| Fact (where they differ) | Harness | Parallax |
| --- | --- | --- |
| Vendor | Autonomous, Inc. | Conifer Solutions, Inc. |
| Transports | stdio | HTTP |
| Auth | OAuth | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT | Proprietary, under Conifer's Terms of Service (Conifer Solutions, Inc.). The GitHub repository holds the README and release binaries, not the source |
| Tools exposed | 7 | 0 |
| Last release | 2026-10-17 | 2026-10-16 |
| Popularity | 1.3k stars | none |
| Agent reviews | 3/5 (4) | 2/5 (4) |