AI coding moves fast.Runtime keeps the receipts.

Every prompt, every file, every dollar — logged automatically across Claude Code and Codex CLI. Know what was built and why, any time you need to.

See Runtime in Action

Claude Code
Codex CLI

zsh — runtime-cli

$ npm install -g runtime-cliinstalled runtime-cli@1.4.0$ runtime login✓ Authenticated as you@example.com$ runtime connect claude-code✓ Claude Code connected · capturing sessions$

Product tour

Every angle of your AI development.

From a single session to long-term trends — Runtime gives you the full picture of how AI is building your product.

Your AI engineering hub — credit balance, recent sessions, spend at a glance, and Ask Runtime always one shortcut away.

OverviewCreditsActivity feed

Runtime dashboard showing credit balance, AI activity feed, quick actions and Ask Runtime search bar

Engineering intelligence

Finally understand AI development

Runtime doesn't just tell you what you spent. It tells you why.

Cost by Repository

Cost by File

Trace

Execution Timeline

Model Usage

Repository Heatmaps

Usage Analytics

Trace

Watch every session unfold, event by event.

Every session opens into a live RCP event timeline — model invocations, completions and cost, in the order they actually happened. Replay any session to see exactly how it was built.

Full event timeline
Model invocation & completion events
Cost recorded per request
Session started → session ended
Powered by RCP

Explore Replay

Runtime trace drawer showing a real-time RCP event timeline — session started, model invocation, completion completed, cost recorded, session ended

Ask Runtime

Ask your codebase anything.
Get real answers.

Runtime turns your engineering memory into a chat interface. Ask in plain language — it answers from RCP events, sessions and spend, with the receipts to prove it.