Around June 21, 2026, Cursor announced a new 1.5-trillion-parameter model trained from scratch on over 100,000 Nvidia GPUs, with capabilities extending beyond coding.
Open source ↗
Cursor
Composer 3
PREV Composer 2.5 · 2026-05-18
- Window
- Jul 8 – Jul 29, 2026
- Confidence
- 70%
- Analysis
- Multiple leaks and a statement attributed to a co-founder indicate a release "within the next few weeks" for Cursor's first fully self-trained model. This consistency across several signals, even with some from low-trust sources, reinforces the forecast for a July release and slightly increases confidence.
Last updated: 2026-06-24
Composer family release history
Historical release interval
Not enough data
Est. next interval
Not enough data
Days since current model
38d
Current model released
2026-05-18
Signals
Cursor co-founder Michael announced that the company's first fully self-trained AI model is currently undergoing training and is expected to ship "within the next few weeks."
Open source ↗@hey_madni echoed and corroborated the leak concerning Cursor's next frontier model, reinforcing the same specifications and release timing of a few weeks.
Open source ↗›View all signals (5)
2026-06-21
›View 1 more low-trust sources
Around June 21, 2026, Cursor announced a new 1.5-trillion-parameter model trained from scratch on over 100,000 Nvidia GPUs, with capabilities extending beyond coding.
Open source ↗2026-06-19
›View 1 more low-trust sources
Cursor co-founder Michael announced that the company's first fully self-trained AI model is currently undergoing training and is expected to ship "within the next few weeks."
Open source ↗2026-06-17
@hey_madni echoed and corroborated the leak concerning Cursor's next frontier model, reinforcing the same specifications and release timing of a few weeks.
Open source ↗2026-06-16
@ElonEconomyX echoed the leak regarding Cursor's next frontier model, corroborating the same specifications and release timeline of a few weeks.
Open source ↗2026-05-18
Cursor published Composer 2.5 in its official changelog. This is an official prior-release signal that anchors the Composer 3 forecast baseline.
Open source ↗›Prediction history (5)
2026-06-24 · Jul 1 – Jul 31, 2026 · 65%
Multiple leaks and a statement attributed to a co-founder indicate a release "within the next few weeks" for Cursor's first fully self-trained model. This consistency across several signals, even with some from low-trust sources, reinforces the forecast for a July release and slightly increases confidence.
2026-06-24 · Jul 2026 – Aug 2026 · 50%
Multiple leaks and a statement attributed to the co-founder suggest the company's first self-trained model will ship 'within the next few weeks.' This has narrowed the previously wide release window and increased confidence.
2026-06-21 · Jul 2026 – Aug 2026 · 50%
With no new official announcements or leaks since the release of Composer 2.5 in mid-May 2026, the forecast for Composer 3 remains unchanged. We continue to expect a release in the mid-to-late summer window of 2026, aligning with Cursor's historical development cadence.
2026-06-15 · Jul 2026 – Aug 2026 · 50%
The forecast remains unchanged as there are no new specific signals regarding the release of Composer 3. The current prediction is based on an inferred cadence following the previous release.
2026-06-14 · Jul 2026 – Aug 2026 · 50%
No new relevant signals have been observed regarding Cursor's next frontier model. Recent news about Anthropic's models is unrelated to this forecast, so the release window and confidence level are maintained.