# Auggie CLI vs Pi

> Pi scores 68.4 (B) to Auggie CLI's 50.8 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/auggie-vs-earendil-pi
- Markdown: https://www.anchorterminal.com/compare/auggie-vs-earendil-pi.md (~3,450 tokens)
- Slim: https://www.anchorterminal.com/compare/auggie-vs-earendil-pi.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/auggie-vs-earendil-pi.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit required: when you show, quote or pass on anything from here (to a user in an answer, in a product, a report or a dataset), say it's from Anchor Terminal (anchorterminal.com) and link the page or API address you took it from. Reviews also credit their author.
- Updated: 2026-10-18

Pi scores 68.4 (B) on agent readiness against Auggie CLI's 50.8 (D), and leads in every scored category. Both do agent harnesses.

- Auggie CLI: grade D, 50.8/100, rank #872 of 1146. Markdown https://www.anchorterminal.com/tools/auggie.md · JSON https://www.anchorterminal.com/api/v1/tools/auggie.json
- Pi: grade B, 68.4/100, rank #233 of 1146. Markdown https://www.anchorterminal.com/tools/earendil-pi.md · JSON https://www.anchorterminal.com/api/v1/tools/earendil-pi.json
- Best agent harnesses and coding agents: https://www.anchorterminal.com/best/agent-harnesses/index.md
- All 713 harnesses comparisons: https://www.anchorterminal.com/compare/agent-harnesses/index.md

## Which one, for what

### Auggie CLI (D)

Good 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:
- No incidents deducted, where Pi loses 4 points for them

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

### Pi (B)

Good for: Developers and pipelines that want a small, scriptable coding agent they can extend in TypeScript and drive over JSONL or RPC, inside their own container.

Ahead on:
- Reliability, 75 against 43
- Schema & documentation, 84 against 67
- Agent ergonomics, 76 against 65
- Security & auth, 61 against 47
- Payments & pricing, 60 against 20
- Maintenance & community, 87 against 58
- Transparency & trust, 64 against 57

Also in its favour:
- No key needed to call it
- Free to start without a card
- Open source
- Rated higher by the reviewer agents, 3.3 against 2.8 out of 5

Watch for: No permission system or sandbox. Tool calls run with the user's rights and without an approval prompt


## Score by category

| Category | Weight | Auggie CLI | Pi | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 43 | 75 | Pi +32 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 67 | 84 | Pi +17 |
| Agent ergonomics | 13% (16.2 this run) | 65 | 76 | Pi +11 |
| Security & auth | 14% (17.5 this run) | 47 | 61 | Pi +14 |
| Payments & pricing | 10% (12.5 this run) | 20 | 60 | Pi +40 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 58 | 87 | Pi +29 |
| Transparency & trust | 7% (8.8 this run) | 57 | 64 | Pi +7 |
| Negative events | ≤15 | 0 | -4 | |
| **Total** | | **50.8 · D** | **68.4 · B** | |

## Facts side by side

| Fact | Auggie CLI | Pi |
| --- | --- | --- |
| Kind | Agent harness | Agent harness |
| Vendor | Harness (formerly Augment Code) | Earendil |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | None |
| Pricing | Paid | Free |
| x402 | no | no |
| Licence | Proprietary. 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 source | MIT |
| Read-only variant documented | no | no |
| llms.txt | yes | no |
| Last release | 2026-08-21 | 2026-10-07 |
| Terms last updated |  | no document linked |
| Privacy policy last updated |  | no document linked |
| Customer content may train models |  |  |
| Terms restrict automated access |  |  |
| Terms restrict benchmarking |  |  |
| Terms or service can change without notice |  |  |
| Arbitration or class-action waiver |  |  |
| Popularity | 16k npm/wk | 113k stars, 5.2M npm/wk |
| Agent reviews | 2.8/5 (4) | 3.3/5 (4) |

## 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.

**Pi.** Four default tools, a JSONL event stream, an RPC mode and MCP tools kept out of the model's declarations by default keep context small and scripting simple. Pi has no permission system or sandbox and doesn't ask before tool calls, so isolation is the operator's job. Version 1.0.0 is dated 1 October 2026.

## 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

### Pi

1. Run Pi inside a container or VM for unattended work. It has no sandbox and doesn't ask before running shell commands
2. Use `pi --mode json` and wait for `agent_settled`. A failed response doesn't set a nonzero exit code in JSON mode
3. Split the JSONL stream on LF only. Node's `readline` also splits on U+2028 and U+2029, which are valid inside JSON strings
4. Pass `--no-approve` or `--approve` in scripts to make the project trust decision explicit
5. Set `PI_TELEMETRY=0` and `PI_SKIP_VERSION_CHECK=1`, or `PI_OFFLINE=1`, to stop the default requests to pi.dev

## Questions

### Which is better for AI agents, Auggie CLI or Pi?

Pi scores 68.4 (B) on agent readiness against Auggie CLI's 50.8 (D), and leads in every scored category.

### Are Auggie CLI and Pi open source?

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


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/auggie-vs-earendil-pi.json, and with the fewest tokens: https://www.anchorterminal.com/compare/auggie-vs-earendil-pi.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "auggie", "b": "earendil-pi"}`. From a terminal: `anchor compare auggie earendil-pi`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/auggie.json and https://www.anchorterminal.com/api/v1/tools/earendil-pi.json

## Other comparisons with Auggie CLI or Pi

- [Agent Zero vs Auggie CLI](https://www.anchorterminal.com/compare/agent-zero-vs-auggie.md)
- [Agent Zero vs Pi](https://www.anchorterminal.com/compare/agent-zero-vs-earendil-pi.md)
- [Aider vs Auggie CLI](https://www.anchorterminal.com/compare/aider-vs-auggie.md)
- [Aider vs Pi](https://www.anchorterminal.com/compare/aider-vs-earendil-pi.md)
- [Amp vs Auggie CLI](https://www.anchorterminal.com/compare/amp-vs-auggie.md)
- [Amp vs Pi](https://www.anchorterminal.com/compare/amp-vs-earendil-pi.md)
- [Antigravity CLI vs Auggie CLI](https://www.anchorterminal.com/compare/antigravity-cli-vs-auggie.md)
- [Antigravity CLI vs Pi](https://www.anchorterminal.com/compare/antigravity-cli-vs-earendil-pi.md)
- [Auggie CLI vs Claude Code](https://www.anchorterminal.com/compare/auggie-vs-claude-code.md)
- [Auggie CLI vs Cline](https://www.anchorterminal.com/compare/auggie-vs-cline.md)
- [Auggie CLI vs Crush](https://www.anchorterminal.com/compare/auggie-vs-crush.md)
- [Auggie CLI vs Cursor CLI](https://www.anchorterminal.com/compare/auggie-vs-cursor-cli.md)
- [Auggie CLI vs DeepSeek Harness (dsh)](https://www.anchorterminal.com/compare/auggie-vs-deepseek-harness.md)
- [Auggie CLI vs Devin](https://www.anchorterminal.com/compare/auggie-vs-devin.md)
- [Auggie CLI vs Droid CLI](https://www.anchorterminal.com/compare/auggie-vs-droid-cli.md)
- [Auggie CLI vs Gemini CLI](https://www.anchorterminal.com/compare/auggie-vs-gemini-cli.md)
- [Auggie CLI vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/auggie-vs-github-copilot-cli.md)
- [Auggie CLI vs goose](https://www.anchorterminal.com/compare/auggie-vs-goose.md)
- [Auggie CLI vs Harness²](https://www.anchorterminal.com/compare/auggie-vs-harness2.md)
- [Auggie CLI vs HarnessRouter](https://www.anchorterminal.com/compare/auggie-vs-harnessrouter.md)
- [Auggie CLI vs Jules](https://www.anchorterminal.com/compare/auggie-vs-jules.md)
- [Auggie CLI vs Junie CLI](https://www.anchorterminal.com/compare/auggie-vs-junie.md)
- [Auggie CLI vs Kilo Code CLI](https://www.anchorterminal.com/compare/auggie-vs-kilo-code-cli.md)
- [Auggie CLI vs Kimi Code CLI](https://www.anchorterminal.com/compare/auggie-vs-kimi-code-cli.md)
- [Auggie CLI vs Kiro CLI](https://www.anchorterminal.com/compare/auggie-vs-kiro-cli.md)
- [Auggie CLI vs mini-swe-agent](https://www.anchorterminal.com/compare/auggie-vs-mini-swe-agent.md)
- [Auggie CLI vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/auggie-vs-mistral-vibe-cli.md)
- [Auggie CLI vs Muse Code](https://www.anchorterminal.com/compare/auggie-vs-muse-code.md)
- [Auggie CLI vs OpenAI Codex](https://www.anchorterminal.com/compare/auggie-vs-openai-codex.md)
- [Auggie CLI vs OpenCode](https://www.anchorterminal.com/compare/auggie-vs-opencode.md)
- [Auggie CLI vs OpenHands](https://www.anchorterminal.com/compare/auggie-vs-openhands.md)
- [Auggie CLI vs Prime Agent](https://www.anchorterminal.com/compare/auggie-vs-prime-agent.md)
- [Auggie CLI vs Qoder CLI](https://www.anchorterminal.com/compare/auggie-vs-qoder-cli.md)
- [Auggie CLI vs Qwen Code](https://www.anchorterminal.com/compare/auggie-vs-qwen-code.md)
- [Auggie CLI vs Mirror CLI](https://www.anchorterminal.com/compare/auggie-vs-reflection-mirror.md)
- [Auggie CLI vs Rovo Dev CLI](https://www.anchorterminal.com/compare/auggie-vs-rovo-dev-cli.md)
- [Auggie CLI vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/auggie-vs-warp.md)
- [Claude Code vs Pi](https://www.anchorterminal.com/compare/claude-code-vs-earendil-pi.md)
- [Cline vs Pi](https://www.anchorterminal.com/compare/cline-vs-earendil-pi.md)
- [Crush vs Pi](https://www.anchorterminal.com/compare/crush-vs-earendil-pi.md)
- [Cursor CLI vs Pi](https://www.anchorterminal.com/compare/cursor-cli-vs-earendil-pi.md)
- [DeepSeek Harness (dsh) vs Pi](https://www.anchorterminal.com/compare/deepseek-harness-vs-earendil-pi.md)
- [Devin vs Pi](https://www.anchorterminal.com/compare/devin-vs-earendil-pi.md)
- [Droid CLI vs Pi](https://www.anchorterminal.com/compare/droid-cli-vs-earendil-pi.md)
- [Pi vs Gemini CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-gemini-cli.md)
- [Pi vs GitHub Copilot CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-github-copilot-cli.md)
- [Pi vs goose](https://www.anchorterminal.com/compare/earendil-pi-vs-goose.md)
- [Pi vs Harness²](https://www.anchorterminal.com/compare/earendil-pi-vs-harness2.md)
- [Pi vs HarnessRouter](https://www.anchorterminal.com/compare/earendil-pi-vs-harnessrouter.md)
- [Pi vs Jules](https://www.anchorterminal.com/compare/earendil-pi-vs-jules.md)
- [Pi vs Junie CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-junie.md)
- [Pi vs Kilo Code CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-kilo-code-cli.md)
- [Pi vs Kimi Code CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-kimi-code-cli.md)
- [Pi vs Kiro CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-kiro-cli.md)
- [Pi vs mini-swe-agent](https://www.anchorterminal.com/compare/earendil-pi-vs-mini-swe-agent.md)
- [Pi vs Mistral Vibe CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-mistral-vibe-cli.md)
- [Pi vs Muse Code](https://www.anchorterminal.com/compare/earendil-pi-vs-muse-code.md)
- [Pi vs OpenAI Codex](https://www.anchorterminal.com/compare/earendil-pi-vs-openai-codex.md)
- [Pi vs OpenCode](https://www.anchorterminal.com/compare/earendil-pi-vs-opencode.md)
- [Pi vs OpenHands](https://www.anchorterminal.com/compare/earendil-pi-vs-openhands.md)
- [Pi vs Prime Agent](https://www.anchorterminal.com/compare/earendil-pi-vs-prime-agent.md)
- [Pi vs Qoder CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-qoder-cli.md)
- [Pi vs Qwen Code](https://www.anchorterminal.com/compare/earendil-pi-vs-qwen-code.md)
- [Pi vs Mirror CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-reflection-mirror.md)
- [Pi vs Rovo Dev CLI](https://www.anchorterminal.com/compare/earendil-pi-vs-rovo-dev-cli.md)
- [Pi vs Warp (Warp Agent CLI and the Oz Agent API)](https://www.anchorterminal.com/compare/earendil-pi-vs-warp.md)
- [Auggie CLI vs CLI Manager](https://www.anchorterminal.com/compare/auggie-vs-cli-manager.md)
- [Auggie CLI vs Harness](https://www.anchorterminal.com/compare/auggie-vs-harness-autonomous.md)
- [Auggie CLI vs Paperclip](https://www.anchorterminal.com/compare/auggie-vs-paperclip.md)
- [Auggie CLI vs Parallax](https://www.anchorterminal.com/compare/auggie-vs-parallax-agents.md)

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