# Muse Spark 1.4 Internal

Radar · Muse Spark 1.4 Internal · Release date unknown

- Developer: Meta
- Id: muse-spark-1.4-internal
- Reported: 2026-11-13T01:52:53.000Z
- Status: Reported
- Canonical: https://alexgetman.com/models/meta/muse-spark-1-4-internal/

## Questions

### When was Muse Spark 1.4 Internal released?

Release date unknown

## Timeline

- 2026-11-13T18:37:34.945Z · [GitHub search · Meta · pulls · meta/rocksdb · @jaykorean](https://github.com/meta/rocksdb/pull/15674)
> a real model: the tuner service returned `model` `muse-spark-1.4-internal` and `usage` {input_tokens 33535, cached_tokens 17780, output_tokens 8169, reasoning_tokens 7867, model_calls 1, seconds 64.96}. These are
- 2026-11-13T19:02:43.392Z · [GitHub search · Meta · commits · meta/rocksdb · @unknown](https://github.com/meta/rocksdb/commit/5d150fae79fcbbd9768602a3c9112d5417e7231d)
> a real model: the tuner service returned `model` `muse-spark-1.4-internal` and `usage` {input_tokens 33535, cached_tokens 17780, output_tokens 8169, reasoning_tokens 7867, model_calls 1, seconds 64.96}. These are

## Evidence links

- [GitHub search · Meta · commits · meta/rocksdb · @unknown](https://github.com/meta/rocksdb/commit/5d150fae79fcbbd9768602a3c9112d5417e7231d)
- [GitHub search · Meta · pulls · meta/rocksdb · @jaykorean](https://github.com/meta/rocksdb/pull/15674)

## Signals