Unverified50% confidenceFactExact time
In Claude Code, long conversations and repeated code iteration can cause the context window to expand, potentially accumulating to 486,000 tokens without any prompt.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/11/2026
First Seen
Valid until: 12/10/2026
Sources
Related Entities
Related Claims
UnverifiedWhen using Claude Code directly, each new message sent causes large amounts of specification content to be re-sent into the context, resulting in a sharp increase in token consumption.75% similarUnverifiedClaude Code operates within a fixed context window of approximately 200,000 tokens; context usage can be checked via the /context command, and conversations can be proactively compressed via the /compact command.73% similarUnverifiedIf Claude Code outputs 30% more tokens than Codex per round of conversation, the cumulative difference can exceed 11 times after 20 rounds.72% similarUnverifiedClaude Code tends to read large amounts of new file content in each conversation turn, resulting in a lower cache hit rate.71% similar
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