ToolsEarendil Works (Mario Zechner)

pi

OpenRouter rank

#4

of 15 tracked tools

Tokens / day

183.9B32.6%

snapshot Aug 20, 2026

Requests / day

2,865,297

OpenRouter, summed

Usage

OpenRouter token volume

latest Aug 20, 2026

source: OpenRouter app rankings · summed across the tool's apps · daily

183.9B on Aug 20, 2026

Pricing

Subscription plans

Latest captured subscription plans for pi.
Plan$/moNotes

plan tracking pending — first pricing-page capture lands with the next crawl (no public pricing page on file)

source: vendor pricing page

awaiting first capture

Change history

no plan changes detected yet — changes appear here the day the pricing page moves

Changelog

Releases

  • v0.84.2v0.84.2
    Aug 14, 2026
    • ### New Features
    • **Fullscreen transcript search** — Search and navigate matches in fullscreen mode. See [TUI Fullscreen Viewport](https://github.com/earendil-works/pi/blob/v0.84.2/packages/coding-agent/docs/keybindings.md#tui-fullscreen-viewport).
    • **Configurable default tools** — Choose startup built-in tools globally or per project. See [Tools](https://github.com/earendil-works/pi/blob/v0.84.2/packages/coding-agent/docs/settings.md#tools).
  • v0.84.1v0.84.1
    Aug 7, 2026
    • ### New Features
    • **Qwen Token Plan Individual** — Use the built-in provider for models documented for Individual subscriptions. See [API Keys](https://github.com/earendil-works/pi/blob/v0.84.1/packages/coding-agent/docs/providers.md#api-keys).
    • **Authentication readiness checks** — Use `pi auth check` to verify provider or model credentials, optionally emitting the resolved credential.
  • v0.84.0v0.84.0
    Aug 6, 2026
    • ### New Features
    • **Fullscreen TUI mode** — Switch between regular and fullscreen modes at runtime, with a sticky editor and footer, independently scrollable transcript, and draggable scrollbars. See [UI & Display](https://github.com/earendil-works/pi/blob/v0.84.0/packages/coding-agent/docs/settings.md#ui--display).
    • **Mermaid and LaTeX rendering** — Render Mermaid diagrams and terminal-friendly Unicode math in interactive transcripts. See [Markdown settings](https://github.com/earendil-works/pi/blob/v0.84.0/packages/coding-agent/docs/settings.md#markdown) and [TUI Markdown](https://github.com/earendil-works/pi/blob/v0.84.0/packages/tui/README.md#markdown).
  • v0.83.0v0.83.0
    Jul 29, 2026
    • ### New Features
    • **Credential export for external clients** — `pi auth print-api-key` and `pi auth print-bearer-token` export configured credentials with automatic OAuth refresh and minimum-validity enforcement.
    • **Headless OpenRouter sign-in** — Complete `/login` over SSH by pasting the redirect URL or authorization code when the loopback callback is unavailable. See [OpenRouter](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/providers.md#openrouter).
  • v0.82.1v0.82.1
    Jul 25, 2026
    • ### New Features
    • **Claude Opus 5** — Available on Anthropic and Amazon Bedrock with adaptive thinking (including `xhigh`), inference profiles, and prompt caching. See [Providers](https://github.com/earendil-works/pi/blob/v0.82.1/packages/coding-agent/docs/providers.md#api-keys).
    • **Anthropic gateway bearer auth** — `ANTHROPIC_AUTH_TOKEN` authenticates against Anthropic-compatible gateways that require `Authorization: Bearer`, including compaction and branch summaries. See [Environment Variables or Auth File](https://github.com/earendil-works/pi/blob/v0.82.1/packages/coding-agent/docs/providers.md#environment-variables-or-auth-file).
  • v0.82.0v0.82.0
    Jul 24, 2026
    • ### New Features
    • **Constrained tool sampling** — Tools can prefer or require strict JSON Schema sampling or use OpenAI Lark/regex grammars, with model capability metadata preventing unsupported requests. See [Constrained Sampling for Tools](https://github.com/earendil-works/pi/blob/v0.82.0/packages/ai/README.md#constrained-sampling-for-tools).
    • **OpenRouter and Kimi Code sign-in** — Use `/login` to authorize OpenRouter or a Kimi Code subscription without manually configuring API keys. See [OpenRouter](https://github.com/earendil-works/pi/blob/v0.82.0/packages/coding-agent/docs/providers.md#openrouter).
  • v0.81.1v0.81.1
    Jul 21, 2026
    • ### New Features
    • **Verifiable release source archives** — GitHub releases now include deterministic, checksummed source archives with instructions for rebuilding standalone binaries. See [Building standalone binaries from release source](https://github.com/earendil-works/pi/blob/v0.81.1/README.md#building-standalone-binaries-from-release-source).
    • **Resilient compaction and branch summaries** — Transient provider failures now follow the configured retry policy, with retry lifecycle events available to interactive, JSON, RPC, and SDK consumers. See [Compaction & Branch Summarization](https://github.com/earendil-works/pi/blob/v0.81.1/packages/coding-agent/docs/compaction.md) and [RPC retry events](https://github.com/earendil-works/pi/blob/v0.81.1/packages/coding-agent/docs/rpc.md#summarization_retry_scheduled--summarization_retry_attempt_start--summarization_retry_finished).
  • v0.81.0v0.81.0
    Jul 21, 2026
    • ### New Features
    • **Local llama.cpp model management** — Connect to a llama.cpp router, search and download Hugging Face models, and explicitly load or unload models with live progress. See [llama.cpp](https://github.com/earendil-works/pi/blob/v0.81.0/packages/coding-agent/docs/llama-cpp.md).
    • **Full provider extensions** — Extensions can register complete pi-ai providers with authentication, model refresh, filtering, and custom streaming. See [Register New Provider](https://github.com/earendil-works/pi/blob/v0.81.0/packages/coding-agent/docs/custom-provider.md#register-new-provider).
  • v0.80.10v0.80.10
    Jul 16, 2026
    • ### New Features
    • **Kimi Coding thinking compatibility** — Kimi Coding models now use adaptive thinking correctly; K3 exposes its supported `max` level and supports replaying empty-signature thinking blocks. See [Kimi For Coding setup](https://github.com/earendil-works/pi/blob/v0.80.10/packages/coding-agent/docs/providers.md#api-keys) and [Model Options](https://github.com/earendil-works/pi/blob/v0.80.10/packages/coding-agent/docs/usage.md#model-options).
    • ### Fixed
  • v0.80.9v0.80.9
    Jul 16, 2026
    • ### New Features
    • **Kimi K3 and deferred tool loading** — Use Kimi K3 across built-in providers, including progressive extension tool activation through Kimi’s native protocol. See [Dynamic Tool Loading](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/extensions.md#dynamic-tool-loading), [OpenAI Compatibility](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/docs/models.md#openai-compatibility), and the [`kimi-deferred-tools.ts`](https://github.com/earendil-works/pi/blob/v0.80.9/packages/coding-agent/examples/extensions/kimi-deferred-tools.ts) example.
    • ### Added

source: github.com/earendil-works/pi/releases

latest Aug 14, 2026

Adoption

GitHub & package growth

GitHub stars

source: github.com/earendil-works/pi

94,630 stars · Aug 21, 2026

Package downloads/day

source: registry stats · @earendil-works/pi-coding-agent · 27 zero-day gaps hidden

223,143/day · Aug 16, 2026

Community

Reddit pulse

30-day · to Aug 21, 2026

Mentions/day

Sentiment split

source: Reddit mentions across coding subreddits · sentiment auto-classified

latest Aug 21, 2026

Benchmarks

Benchmark results

Benchmark scores for pi.
BenchmarkConfigurationScoreDateSource

no benchmark results attributed to pi yet

scores as published by each benchmark; configurations differ — compare within a row's benchmark only

Alternatives

Similar tools

Alternatives to pi by OpenRouter usage-rank proximity.
#ToolTokens/day7d ΔHead-to-head
5
ClineCline Bot Inc.
208.8B18.1%vs pi
4
Claude CodeAnthropic
289B5.8%vs pi
3
Kilo CodeKilo Code
325B22.1%vs pi
9
CodexOpenAI
78.4B193.4%vs pi

ranked by OpenRouter usage-rank proximity

snapshot Aug 20, 2026

FAQ

pi FAQ

How popular is pi?
As of Aug 20, 2026, pi routes about 183.9B tokens per day through OpenRouter — the #4 tracked AI coding tool by that measure. Its OpenRouter volume moved +32.6% over the last 7 days.
When was pi last updated?
The most recent tracked release is v0.84.2 on Aug 14, 2026. Its full changelog history is listed above.
What are the best alternatives to pi?
By OpenRouter usage, the closest alternatives are Cline, Claude Code, and Kilo Code. Head-to-head comparisons are linked in the alternatives table.
Alerts

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