Code By AI
One API key for Claude Code, Codex and Gemini — billed per token, from 1/6 of the official price.
One API key for Claude Code, Codex and Gemini — billed per token, from 1/6 of the official price.
Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources
Code By AI is listed under Coding AI and Gemini Notebook under AI Assistants. Only Gemini Notebook has a free plan or trial. Only Code By AI is available on CLI and offers an API. Only Gemini Notebook is available on iOS and Android.
Gemini Notebook
12 features compared.
Plans as listed by each vendor. Check their sites for current prices.
0/month
Pay per token from 1/6 of official prices across 21 models. Top up a balance; no subscription.
$0
Free with a Google Account
$4.99/month
Through the Google AI Plus subscription
$19.99/month
Through the Google AI Pro subscription
$99.99/month
Through the Google AI Ultra subscription
$199.99/month
Through the Google AI Ultra subscription at the higher tier
Scored out of 10 by the Finder Atlas editorial team. Last reviewed November 2026.
Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.
Picked by our editors. Not paid placement.
AI Assistants
Anthropic's AI assistant for writing, analysis, coding and working with files
Coding AI
Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser
Coding AI
AI coding agent and VS Code-based editor for multi-file edits and cloud agents
It depends on your workflow. Code By AI is built for developers who code with Claude Code, Codex or Gemini CLI. Gemini Notebook is built for summarizing and questioning your own documents.
Code By AI: One API key for Claude Code, Codex and Gemini — billed per token, from 1/6 of the official price. Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources.
Gemini Notebook has a free plan or trial; Code By AI is paid only.
Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.