Bring your next
idea to light

European built and privacy focused
AI inference for a world of possibilities.

Intelligence starts here

Meet Bulb

An open-source harness for your coding agents.

Take an idea from plan to working code. Bulb brings your agents, tools, and context together, with you in control of the workflow.

Use Bulb with:

Glim or BYOK

Start building with Bulb

curl -sSfL https://spettro.app/install | sh

Prefer a window? Get the desktop app

Agents that work together

Planning, coding, and review agents hand work off explicitly.

Your workflow, your rules

Choose permissions. Add skills, memory, and custom commands to make Bulb your own.

Pick up where you left off

Persistent sessions keep your context ready for the next time inspiration strikes.

Model Usage

Tokens across Glim, by model.

Loading data…
Daily token usage by model over the last 30 days. Hover or tap a bar for a breakdown. When focused, use the left and right arrow keys to explore days and Escape to dismiss the details.

Top Models

A little light and a lot of room to grow

Start free. Upgrade when you need more.
Downgrade or cancel any time.

Free

Get started, no credit card needed.

€0/ month

Bring your own API key

Included from day one

  • All features included
  • Bring your own API key (BYOK)
  • Usage limited by your key’s provider
  • Multi-agent & MCP support
  • Ultra mode (agent swarm)
  • Workflows (ultracode)
  • Community support

Lite

For regular solo builders.

€5/ month

Everything in Free, plus

  • Up to ~50M tokens / month
  • Glim-hosted models
  • Standard response speed
  • Email support

Plus

For teams and power users.

€10/ month

Everything in Lite, plus

  • Up to ~100M tokens / month
  • Fast response speed
  • Per-repo agent manifests
  • Hooks & command policy
  • Priority email support
Most popular

Pro

For serious production workflows.

€20/ month

Everything in Plus, plus

  • Up to ~200M tokens / month
  • Fastest response speed
  • Unlimited SuperFast after quota
  • Early feature access
  • Dedicated support

Max

More capacity for heavy workloads.

€150/ month

Everything in Pro, plus

  • Up to ~1.5B tokens / month
  • All current & future models
  • Unlimited SuperFast after quota
  • SLA guarantee
  • Dedicated account manager