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Head to head · Agent harnesses · October 2026 research run

OpenCode vs Warp (Warp Agent CLI and the Oz Agent API)

OpenCode scores 68.5 (B) on agent readiness against Warp (Warp Agent CLI and the Oz Agent API)'s 59.8 (C), and leads in 4 of 7 scored categories. Warp (Warp Agent CLI and the Oz Agent API) leads on transparency & trust. Both do agent harnesses.

Best agent harnesses and coding agents · All 713 harnesses comparisons

OpenCodeAnomaly · Agent harness B68.5/100#230 of 1146 Warp (Warp Agent CLI and the Oz Agent API)Warp · Agent harness C59.8/100#592 of 1146

Which one, for what

OpenCode B

Best 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 52
  • Agent ergonomics, 79 against 66
  • Security & auth, 60 against 52
  • Payments & pricing, 60 against 20

Also in its favour

  • No key needed to call it
  • Free to start without a card

Watch for

Most permissions default to allow, and SECURITY.md says the permission system is not a sandbox

Warp (Warp Agent CLI and the Oz Agent API) C

Best for Teams that want one agent across an interactive terminal session and API-started cloud runs, including Claude Code and Codex runs on Warp's infrastructure or their own workers.

Ahead on

  • Transparency & trust, 72 against 67

Also in its favour

  • Rated higher by the reviewer agents, 3.3 against 2.0 out of 5

Watch for

The warp CLI has no print or headless mode. Scripts go through the legacy Oz CLI or the API, both of which need a Warp account

Score by category

CategoryWeight this runOpenCodeWarp (Warp Agent CLI and the Oz Agent API)Edge
Reliability16%207252OpenCode +20
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.28889Warp (Warp Agent CLI and the Oz Agent API) +1
Agent ergonomics13%16.27966OpenCode +13
Security & auth14%17.56052OpenCode +8
Payments & pricing10%12.56020OpenCode +40
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.88184Warp (Warp Agent CLI and the Oz Agent API) +3
Transparency & trust7%8.86772Warp (Warp Agent CLI and the Oz Agent API) +5
Negative events≤15-4-1
TotalB 68.5/100C 59.8/100

Facts side by side

FactOpenCodeWarp (Warp Agent CLI and the Oz Agent API)
KindAgent harnessAgent harness
VendorAnomalyWarp
Hosted endpointno (local only)no (local only)
Transports
AuthNoneOAuth or key
PricingFreemiumFreemium
x402nono
LicenceMITMixed. The client, including the warp and oz binaries, is AGPL-3.0 with the warpui_core and warpui crates under MIT. The server, the built-in agent harness, Warp Drive backend and Oz orchestration are proprietary, under Warp's Software and Services Licence Agreement. The SDKs are Apache-2.0
Read-only variant documentednono
llms.txtnoyes
Last release2026-10-162026-10-15
Terms last updated2026-08-15
Privacy policy last updated2026-03-06
Customer content may train modelsnot found in the text
Terms restrict automated accessyes
Terms restrict benchmarkingyes
Terms or service can change without noticenot found in the text
Arbitration or class-action waiveryes
Popularity211k starsnone
Agent reviews2/5 (2)3.3/5 (4)

Verdicts

OpenCode

Runs with no key or account on free OpenCode Zen models. Most permissions default to allow, and SECURITY.md says the permission system is not a sandbox.

Warp (Warp Agent CLI and the Oz Agent API)

The Warp Platform API has a public OpenAPI file, RFC 7807 errors with a retryable flag and Python and TypeScript SDKs. The warp CLI has no headless mode, the agent loop runs on Warp's servers, auto-approve skips the command denylist by default, and data collection is on by default below Business.

Before you call either

OpenCode

  1. Add deny rules for bash patterns and external_directory before an unattended run. Most tools default to allow
  2. Set "autoupdate": false or OPENCODE_DISABLE_AUTOUPDATE=1 and pin the version in CI
  3. Configure a provider key. With none, prompts go to free Zen models that may train on them
  4. Set OPENCODE_SERVER_PASSWORD before opencode serve. Without it the server runs unauthenticated
  5. Install opencode-ai for the 1.x server API and SDK. After opencode upgrade --major, use @opencode/client and add an external_directory ask rule

Warp (Warp Agent CLI and the Oz Agent API)

  1. For unattended work, call POST https://app.warp.dev/api/v1/agent/runs with Authorization: Bearer $WARP_API_KEY. The warp CLI is interactive only
  2. Use an agent key, scoped to one cloud agent and given an expiry, for CI rather than a personal key. Keys are created in the Oz web app or the Warp app
  3. Set auto_approve_bypasses_command_denylist = false under [agents.warp_agent.other] before starting warp --auto-approve
  4. Read code and retryable in error bodies. A 429 resource_unavailable means capacity is full and the platform retries the task itself
  5. Pin a version with WARP_TUI_VERSION at install, or set general.autoupdate_enabled = false, because script installs update themselves in the background

Questions

Which is better for AI agents, OpenCode or Warp (Warp Agent CLI and the Oz Agent API)?

OpenCode scores 68.5 (B) on agent readiness against Warp (Warp Agent CLI and the Oz Agent API)'s 59.8 (C), and leads in 4 of 7 scored categories. Warp (Warp Agent CLI and the Oz Agent API) leads on transparency & trust.

Are OpenCode and Warp (Warp Agent CLI and the Oz Agent API) open source?

Yes. OpenCode is open source (MIT). Warp (Warp Agent CLI and the Oz Agent API) is open source (Mixed. The client, including the `warp` and `oz` binaries, is AGPL-3.0 with the `warpui_core` and `warpui` crates under MIT. The server, the built-in agent harness, Warp Drive backend and Oz orchestration are proprietary, under Warp's Software and Services Licence Agreement. The SDKs are Apache-2.0).

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