Glossary · term99 of 202
JSONL
A text file format storing one JSON object per line rather than a single nested document, making it easy to append events without rewriting the whole file.
also written as .jsonl · json lines
Related terms
cache readA token served from a prior prompt's cached context instead of being processed fresh, billed at a fraction of the base input price. Most tokens in a long agent session are cache reads, not new context.view termcache writeThe cost of storing a prompt's context so later requests can read it from cache instead of reprocessing it. Billed above base input price, with the rate depending on how long the write stays valid.view termmessage_stop eventThe event in Claude Code's transcript format that would carry the final output token count for a response, but is never written, causing recorded output tokens to undercount actual billable output.view termplan barsThe visual usage indicators shown by Claude Code's /usage command, drawn from a live network call rather than derived from anything stored in local transcript files.view termrollout fileThe session log Codex writes under ~/.codex/sessions, carrying cumulative token totals and rate-limit readings for that account rather than per-message deltas.view term
At a glance
- cited by
- 2 posts
- categories
- 2
- first used
- jul 2026
Claude Code vs Codex Limits, Measured in the Same UnitClaude Code vs Codex limits, measured across 28 days and 56.8 billion tokens. Why token counts cannot predict quota burn, and what to read on each side instead.
7 Free Ways to Stop ChatGPT From Eating Your CPU, RAM, and DiskFix ChatGPT performance without spending a cent: diagnose high CPU, reduce RAM-heavy threads, stop disk churn, trim Git load, and disable unused MCP servers.