Model Releases
Here's a benchmark that uses Lilypond https://x.com/aug5thmusic/status/2096030719156089029
Here's a benchmark that uses Lilypond https://x.com/aug5thmusic/status/2096030719156089029 GPT-6 Astra has the best result yet on the Bach Benchmark. Its chorale contains no voice-leading errors, and
Here's a benchmark that uses Lilypond https://x.com/aug5thmusic/status/2096030719156089029 GPT-6 Astra has the best result yet on the Bach Benchmark. Its chorale contains no voice-leading errors, and its harmonic palette is sophisticated enough to include a Neapolitan sixth chord. More importantly, it is the first model to ever write passing tones on this benchmark, a …
Related
- And here's an even better version, built by GPT-5.6 Sol Ultra running in Code Desktop https://x.com/simonw/status/2085808307865014295
- @WeAreDevs Here's how I define 'Fable class models' - first Claude Fable 5, now Claude Opus 5.5 and GPT-Astra 6 and maybe GPT-5.6 Sol as wel…
- One of the things the pelican benchmark is still useful for is visually representing (to a tiny extent) the improvements in a single model f…
Source: Simon Willison (X) | 2026-10-06