generated: '2026-07-21'
method: searched
source: https://docs.lightcone.ai/guides/authentication + https://docs.lightcone.ai/guides/limits-and-behaviors
rate_limits:
  - name: concurrent computers
    scope: organization / plan tier
    limit: plan-dependent number of simultaneously running computers
    signal: HTTP 429 "Concurrent limit reached"
    guidance: delete computers when done, retry with backoff, or upgrade plan
  - name: failed authentication attempts
    scope: IP address
    limit: 10 failed attempts per 10 minutes
    signal: IP block
  - name: chat completions output tokens
    scope: request
    limit: 4096 max output tokens (server-side ceiling since 2026-06-01)
  - name: browser tabs
    scope: browser session
    limit: 5 tabs maximum
  - name: desktop file uploads
    scope: file
    limit: 512 MB per file (8 MB chunks), landing in /workspace/uploads
behaviors:
  - actions on a session are serialized; concurrent requests queue and can hit the per-action timeout (~20s default, timeout_ms overridable)
  - sessions reaped after inactivity_timeout_seconds unless keepalive is called; max_lifetime_seconds always applies
limit_count: 5