Line Code (retired)
Line Code's retirement on Nov 1, 2026, the 410 response and moving to SuperCosmos.
- How did Line Code compare with SuperCosmos?Line Code: ~428B (23B active), 256K window, Line CLI and Model API. SuperCosmos: 550B (55B active), 1M window, every product.Reference
- How did Line Code score in benchmarks?In the first benchmark (50 coding problems, one attempt): Fast 82%, Ultra 86%, Ultra Fast 84%.Reference
- How do Line Code's old prices compare with SuperCosmos?Line Code was cheaper per token (from $1.15/$1.60) than SuperCosmos (from $1.60/$3.40), with a smaller 256K window.Reference
- I haven't updated Line CLI. Does my old version still work?Yes. Older versions keep working and route to SuperCosmos. Updating to 0.9.0-beta is still recommended.FAQ
- I use the Agent API. Does the Line Code retirement affect me?No. Line Code was never available in the Agent API or Cosmos Agent; they always ran SuperCosmos.FAQ
- Line Code is gone from the Console Playground. Is that expected?Yes. Line Code was retired everywhere, including the Console Playground. Use SuperCosmos Flash, Max or Heavy.FAQ
- Line Code migration checklistSearch for line-code ids, switch to SuperCosmos ids, update prices and context assumptions, update Line CLI, re-test.How-to
- My app used Line Code. What should I tell my users?Switch to a SuperCosmos id, then tell users the model changed, that it has a larger window, and any cost changes.How-to
- My Line CLI was set to Ultra Fast. What effort am I on now?Heavy. A saved Line Code effort moves once: Fast → Flash, Ultra → Max, Ultra Fast → Heavy.FAQ
- My scripts run line -m line-code. Do they still work?Yes. Line CLI 0.9.0-beta keeps -m line-code working with a notice and runs SuperCosmos instead.FAQ
- What happened to my credits and plan when Line Code was retired?Nothing. Credits belong to your account, not to a model, so balances and plans stayed exactly as they were.FAQ
- What happens to Line CLI now that Line Code is gone?Line CLI moves to SuperCosmos automatically. 0.9.0-beta runs SuperCosmos 1.1 only; saved settings map to the matching effort.FAQ
- What was Line Code?Line Code was Line CLI's own coding model (efforts Fast, Ultra, Ultra Fast). It was retired on Nov 1, 2026.Explainer
- When was Line Code retired?Line Code was retired on Nov 1, 2026. It stopped being available everywhere over the following hours.FAQ
- Where can I read Line Code's old documentation?Its page stays on the developer docs for reference, marked retired, with a link to the migration guide.FAQ
- Which SuperCosmos tier replaces each Line Code effort?Fast → Flash, Ultra → Max, Ultra Fast → Heavy.Reference
- Why did Line Code Ultra Fast use so many tokens?It thought longer and sent each step twice in parallel to take the faster answer, so both copies' input counted.FAQ
- Why does GET /v1/models list Line Code under retired?The retired array tells clients which ids are gone, when, and what replaces them, so code can migrate automatically.FAQ
- Why was Line Code retired?It didn't reach the quality Clatter Labs expects for real coding work, especially on long tasks and large edits.FAQ
- Will Line Code come back?Line Code is retired for good. If it ever returns, it will be as a new release that earned its place, not a quiet return.FAQ
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