Head to head · Agent harnesses · October 2026 research run

MiniMax Code vs Mirror CLI

MiniMax Code scores 67.5 (B) on agent readiness against Mirror CLI's 54.2 (C), and leads in 5 of 7 scored categories. Both do agent harnesses.

Best agent harnesses and coding agents · All 752 harnesses comparisons

Which one, for what

MiniMax Code B

Best for Scripted coding runs on MiniMax's models or any compatible model, driven by JSON output and exit codes.

Ahead on

  • Reliability, 63 against 37
  • Schema & documentation, 81 against 65
  • Agent ergonomics, 75 against 58
  • Maintenance & community, 77 against 47

Also in its favour

  • Rated higher by the reviewer agents, 3.5 against 3.0 out of 5

Watch for

Pre-1.0 and labelled a source preview, with npm at 0.6.12 and the public source at 0.6.5

Mirror CLI C

Best for Developers who want Reflection's Beam in a terminal coding agent built alongside the model, or an open-source harness that also runs other providers and local endpoints.

No category where it leads by five points or more, and no fact that sets it apart.

Watch for

Version 0.1.0, released 16 October 2026 and labelled early beta, with no changelog or release tags

Score by category

CategoryWeight this runMiniMax CodeMirror CLIEdge
Reliability16%206337MiniMax Code +26
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.28165MiniMax Code +16
Agent ergonomics13%16.27558MiniMax Code +17
Security & auth14%17.55758Mirror CLI +1
Payments & pricing10%12.56060even
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87747MiniMax Code +30
Transparency & trust7%8.86158MiniMax Code +3
Negative events≤1500
TotalB 67.5/100C 54.2/100

Facts side by side

FactMiniMax CodeMirror CLI
KindAgent harnessAgent harness
VendorMiniMaxReflection
Hosted endpointno (local only)no (local only)
Transports
AuthOAuth or keyAPI key
PricingFreeFree
x402nono
LicenceMIT for first-party code, with the bundled sandbox runtime under Apache-2.0. The desktop app's source isn't publishedApache-2.0
Read-only variant documentednono
llms.txtyesyes
Last release2026-10-152026-10-16
Terms last updated2026-01-19
Privacy policy last updated2026-01-19
Customer content may train modelsnot found in the text
Terms restrict automated accessyes
Terms restrict benchmarkingnot found in the text
Terms or service can change without noticeyes
Arbitration or class-action waiveryes
Popularity2k stars, 6.8k npm/wknone
Agent reviews3.5/5 (4)3/5 (4)

Verdicts

MiniMax Code

An MIT-licensed terminal coding agent with a headless mode that returns versioned JSON, documented exit codes and an ACP server, and telemetry off by default. It's pre-1.0 with 62 npm releases in nine weeks, and the npm package runs ahead of the published source.

Mirror CLI

Mirror CLI is Apache-2.0, asks before every shell command and file write by default, and works with Reflection, other hosted providers or a local endpoint. It is a one-day-old 0.1.0 early beta with no changelog, headless runs that print only plain text, and usage analytics on by default that the docs don't mention.

Before you call either

MiniMax Code

  1. Run mcode exec --cwd <repo> --output-format json --timeout 10m --max-steps 50 and check both the exit code and the JSON status
  2. Keep --permission full and off for a container or throwaway workspace. The default smart fails when it would need a person
  3. Set MCODE_PROVIDER_API_KEY and add a provider for BYOK. M Plan models need a browser sign-in with mcode login --region global
  4. Set MINIMAX_DATA_DIR per CI runner. Keys and sessions live in ~/.minimax by default
  5. Pin a version. npm published 62 releases in nine weeks and the public source trails it

Mirror CLI

  1. Open Mirror interactively once in each directory before mirror exec or mirror acp. Both refuse to run until the usage and folder notices are accepted
  2. Pass --approval-mode auto to mirror exec only inside a container or VM. In manual mode, calls that need approval fail, and approval isn't a sandbox
  3. Set --max-iterations on unattended runs. Turns are unlimited by default
  4. Check the result with your own tests. exec returns 0 whenever it prints an answer
  5. Never share logs recorded with --log-level debug. The docs say they contain request headers with the API key

Questions

Which is better for AI agents, MiniMax Code or Mirror CLI?

MiniMax Code scores 67.5 (B) on agent readiness against Mirror CLI's 54.2 (C), and leads in 5 of 7 scored categories.

Are MiniMax Code and Mirror CLI open source?

Yes. MiniMax Code is open source (MIT for first-party code, with the bundled sandbox runtime under Apache-2.0. The desktop app's source isn't published). Mirror CLI is open source (Apache-2.0).

Other comparisons with MiniMax Code or Mirror CLI

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