Find where a cheaper model would have done the job

A developer open-sourced AgentFare, which reads Claude Code, Codex CLI and Gemini CLI logs and shows where a cheaper model would have worked.

Difficulty
BeginnerOur rating
Time to build
Not reportedOur estimate
Monthly cost
Not reported
Revenue
Not reportedWe only show revenue the source states
Engagement
1 X like1 reply · 0 reposts · fetched Oct 15, 2026

What they did

@DevEmMontreal built a cost router that analyzes session logs.

How it went

Open source.

Worth knowing

This is the builder announcing their own tool.

Builder recipe

Our own starting point, written from the source. Adapt it to your setup.

Stack

  • AgentFare

Steps

  1. Open the repo in your coding agent and describe the goal and constraints.
  2. Ask for a plan first, then let it implement in small, reviewable steps.
  3. Run the tests or the app after each step and feed errors back.
  4. Review the diff before merging.

Starter prompt

From my last week of sessions, list tasks a cheaper model could have handled and the estimated savings.

Tags

Read the original

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