News

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Full openRouterRouting support in models.json, including fallbacks, parameter requirements, data collection, ZDR, ignore lists, quantizations, provider sorting, max price, and preferred throughput and latency constraints
• PI_CODING_AGENT=true environment variable set at startup so subprocesses can detect they are running inside the coding agent
• Updated antigravity-image-gen.ts example extension to use User-Agent version 1.21.9 (#2901 by @aadishv)
• Fixed --list-models silently swallowing models.json load errors; errors are now printed to stderr (#3072)
• Fixed custom models for built-in providers (e.g

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Earendil startup announcement with bundled inline image rendering and a linked blog post for April 8 and 9, 2026
• Interactive Anthropic subscription auth warning when Anthropic subscription auth is active, clarifying that Anthropic third-party usage draws from extra usage and is billed per token

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Session runtime API
• Label timestamps in /tree
• defineTool() helper
• Unified diagnostics

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Extensions and SDK callers can attach a prepareArguments hook to any tool definition, letting them normalize or migrate raw model arguments before schema validation
• Extensions can customize the collapsed thinking block label via ctx.ui.setHiddenThinkingLabel()

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Extension handlers can now use ctx.signal to forward cancellation into nested model calls, fetch(), and other abort-aware work
• Built-in edit tool input now uses edits[] as the only replacement shape, reducing invalid tool calls caused by mixed single-edit and multi-edit schemas (#2639)
• Large multi-edit results no longer trigger full-screen redraws in the interactive TUI when the final diff is rendered (#2664)

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Built-in tools as extensible ToolDefinitions
• Unified source provenance via sourceInfo
• AWS Bedrock cost allocation tagging

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Typed tool_call handler return values via ToolCallEventResult exports from the top-level package and core extension entry
• Updated default models for zai, cerebras, minimax, and minimax-cn, and aligned MiniMax catalog coverage and limits with the current provider lineup

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Namespaced keybinding ids and a unified keybinding manager across the app and TUI
• JSONL session export and import via /export <path.jsonl> and /import <path.jsonl>
• Resizable sidebar in HTML share and export views

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Fork existing sessions directly from the CLI with --fork <path|id>, which copies a source session into a new session in the current project
• Extensions and SDK callers can reuse pi's built-in local bash backend via createLocalBashOperations() for user_bash interception and custom bash integrations
• Startup no longer updates unpinned npm and git packages automatically

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Faster startup by lazy-loading @mariozechner/pi-ai provider SDKs on first use instead of import time (#2297)
• Better provider retry behavior when providers return error messages as responses (#2264)
• Better terminal integration via OSC 133 command-executed markers (#2242)
• Better Git footer branch detection for repositories using reftable storage (#2300)

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Bugfixes

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Claude Opus 4.6, Sonnet 4.6, and related Bedrock models now use a 1M token context window (up from 200K) (#2135 by @mitsuhiko)
• Extension tool calls now execute in parallel by default, with sequential tool_call preflight preserved for extension interception
• GOOGLE_CLOUD_API_KEY environment variable support for the google-vertex provider as an alternative to Application Default Credentials (#1976 by @gordonhwc)
• Extensions can supply deterministic session IDs via newSession() (#2130 by @zhahaoyu)

New version of pi. Download from npm, view release on GitHub, or read release notes.

• Tree branch folding and segment-jump navigation in /tree, with Ctrl+←/Ctrl+→ and Alt+←/Alt+→ shortcuts while ←/→ and Page Up/Page Down remain available for paging
• session_directory extension event for customizing session directory paths before session manager creation
• Digit keybindings (0-9) in the TUI keybinding system, including modified combos like ctrl+1