Summarize

Fast CLI to summarize URLs, local files, and YouTube links.

Quick start

```bash summarize "https://example.com" --model google/gemini-3-flash-preview summarize "/path/to/file.pdf" --model google/gemini-3-flash-preview summarize "https://youtu.be/dQw4w9WgXcQ" --youtube auto ```

Model + keys

Set the API key for your chosen provider:

OpenAI: `OPENAI_API_KEY`

Anthropic: `ANTHROPIC_API_KEY`

xAI: `XAI_API_KEY`

Google: `GEMINI_API_KEY` (aliases: `GOOGLE_GENERATIVE_AI_API_KEY`, `GOOGLE_API_KEY`)

Default model is `google/gemini-3-flash-preview` if none is set.

Useful flags

`--length short|medium|long|xl|xxl|`

`--max-output-tokens `

`--extract-only` (URLs only)

`--json` (machine readable)

`--firecrawl auto|off|always` (fallback extraction)

`--youtube auto` (Apify fallback if `APIFY_API_TOKEN` set)

Config

Optional config file: `~/.summarize/config.json`

```json { "model": "openai/gpt-5.2" } ```

Optional services:

`FIRECRAWL_API_KEY` for blocked sites

`APIFY_API_TOKEN` for YouTube fallback