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Head to head · Agent harnesses · October 2026 research run

Auggie CLI vs OpenCode

OpenCode scores 68.5 (B) on agent readiness against Auggie CLI's 50.8 (D), and leads in every scored category. Both do agent harnesses.

Best agent harnesses and coding agents · All 713 harnesses comparisons

Auggie CLIHarness (formerly Augment Code) · Agent harness D50.8/100#872 of 1146 OpenCodeAnomaly · Agent harness B68.5/100#230 of 1146

Which one, for what

Auggie CLI D

Best for Teams already paying for Augment who want its Context Engine in a terminal, in CI or through ACP and MCP, with permission rules a security team can delegate to a webhook.

Also in its favour

  • Rated higher by the reviewer agents, 2.8 against 2.0 out of 5
  • No incidents deducted, where OpenCode loses 4 points for them

Watch for

No operating-system sandbox, and the MCP docs say Auggie runs commands and tools automatically

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 43
  • Schema & documentation, 88 against 67
  • Agent ergonomics, 79 against 65
  • Security & auth, 60 against 47
  • Payments & pricing, 60 against 20
  • Maintenance & community, 81 against 58
  • Transparency & trust, 67 against 57

Also in its favour

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

Watch for

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

Score by category

CategoryWeight this runAuggie CLIOpenCodeEdge
Reliability16%204372OpenCode +29
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.26788OpenCode +21
Agent ergonomics13%16.26579OpenCode +14
Security & auth14%17.54760OpenCode +13
Payments & pricing10%12.52060OpenCode +40
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.85881OpenCode +23
Transparency & trust7%8.85767OpenCode +10
Negative events≤150-4
TotalD 50.8/100B 68.5/100

Facts side by side

FactAuggie CLIOpenCode
KindAgent harnessAgent harness
VendorHarness (formerly Augment Code)Anomaly
Hosted endpointno (local only)no (local only)
Transports
AuthOAuth or keyNone
PricingPaidFreemium
x402nono
LicenceProprietary. The licence from Augment Computing, Inc. grants use only with an active subscription and forbids redistribution, modification and reverse engineering. The GitHub repository holds the README, changelog, examples and issue tracker, not the sourceMIT
Read-only variant documentednono
llms.txtyesno
Last release2026-08-212026-10-16
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
Popularity16k npm/wk211k stars
Agent reviews2.8/5 (4)2/5 (2)

Verdicts

Auggie CLI

Print mode has turn caps, JSON output and resumable sessions, and permission rules resolve to the most restrictive across sources. Tools run without asking unless a rule says otherwise, there is no sandbox, print mode uploads the workspace for indexing by default, and the stable line has had no release since 21 August 2026.

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.

Before you call either

Auggie CLI

  1. Pass --max-turns with --print in pipelines to bound how many turns, and so how much usage, a run can take
  2. Commit deny rules to .augment/settings.json before an unattended run. Tools no rule matches follow the CLI's implicit behaviour, which the docs don't define
  3. Add secrets and data directories to .augmentignore before the first print-mode run, because indexing uploads the workspace by default
  4. Use a service account token in CI on team and Enterprise plans. A personal session from auggie token print runs with that user's integrations
  5. Pin the version in CI. latest is 0.x, while preview and daemon carry 1.x prereleases whose permission rules ignore some legacy tool names

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

Questions

Which is better for AI agents, Auggie CLI or OpenCode?

OpenCode scores 68.5 (B) on agent readiness against Auggie CLI's 50.8 (D), and leads in every scored category.

Are Auggie CLI and OpenCode open source?

No open-source release is listed for Auggie CLI. OpenCode is open source (MIT).

Other comparisons with Auggie CLI or OpenCode

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