How big is the context window in Line CLI?
SuperCosmos 1.1 has a 1M-token context window (1,048,576 tokens), the same for Flash, Max and Heavy.
How Line uses it#
- The status bar shows a live context meter.
/contextbreaks it down: system prompt and session context, tool definitions, your messages, replies, tool calls, tool results and free space.- Auto-compact starts at about 80% of the window, with room kept for the reply.
/compactsummarizes the conversation yourself at any time.
Cost note#
Input above 262K tokens in one request bills its whole input at 1.5× the normal rate. Compacting long sessions keeps requests smaller.
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