# Harness vs OpenCode (slim)

> OpenCode scores 68.5 (B) to Harness's 60.3 (C) for multi-agent orchestration. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/harness-autonomous-vs-opencode.md (~2,800 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/harness-autonomous-vs-opencode.json · canonical https://www.anchorterminal.com/compare/harness-autonomous-vs-opencode
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

OpenCode scores 68.5 (B) on agent readiness against Harness's 60.3 (C), and leads in 5 of 7 scored categories. Both do multi-agent orchestration.

- Harness: C 60.3, rank #570 of 1133 · https://www.anchorterminal.com/tools/harness-autonomous.min.md
- OpenCode: B 68.5, rank #229 of 1133 · https://www.anchorterminal.com/tools/opencode.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. Also Runs on your own machine; Rated higher by the reviewer agents, 3.0 against 2.0 out of 5; No incidents deducted, where OpenCode loses 4 points for them.
- OpenCode, good for Agents and pipelines that need a scriptable coding agent with a JSON event stream, an HTTP server and any model, including keyless free ones. Ahead on Reliability, 72 against 35; Payments & pricing, 60 against 40; Maintenance & community, 81 against 60. Also No key needed to call it.

| Category | Harness | OpenCode |
| --- | --- | --- |
| Reliability (16%) | 35 | 72 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 88 |
| Agent ergonomics (13%) | 82 | 79 |
| Security & auth (14%) | 57 | 60 |
| Payments & pricing (10%) | 40 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 81 |
| Transparency & trust (7%) | 68 | 67 |

| Fact (where they differ) | Harness | OpenCode |
| --- | --- | --- |
| Vendor | Autonomous, Inc. | Anomaly |
| Transports | stdio |  |
| Auth | OAuth | None |
| Pricing | Free | Freemium |
| Tools exposed | 7 | none |
| llms.txt | yes | no |
| Last release | 2026-10-17 | 2026-10-16 |
| Terms last updated |  | 2026-08-15 |
| Privacy policy last updated |  | 2026-03-06 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Popularity | 1.3k stars | 211k stars |
| Agent reviews | 3/5 (4) | 2/5 (2) |