---
title: "Slides: Building Cursor Composer – Lee Robinson, Cursor"
category: "slides"
video_id: "fL1iJHtl51Q"
sourceLabels: ["Public YouTube video frames", "Public YouTube metadata"]
---

# Slides: Building Cursor Composer – Lee Robinson, Cursor

## Source Video
[Building Cursor Composer – Lee Robinson, Cursor](https://www.youtube.com/watch?v=fL1iJHtl51Q)

## Relationship To World's Fair 2026
These slides are extracted from a public AI Engineer YouTube video connected to World's Fair 2026. Speaker-matched clips are supporting context unless later confirmed as exact session recordings; official livestream recordings are day-level/event-level source material.

## Related Scheduled Sessions
- No individual scheduled session mapping has been assigned yet; treat this as an event livestream deck.

## Extracted Slides
![[assets/slides/fL1iJHtl51Q/slide-001.jpg]]

OCR text:

> |
> 
> |
> 
> _ |

![[assets/slides/fL1iJHtl51Q/slide-002.jpg]]

OCR text:

> Composer combines coding intelligence with
> : best-in-class speed
> ; Best Open
> Fast Frontier
> Frontier 7/2025
> Composer I
> Best Frontier
> 0 20 40 60 0 100 200
> _ intelligence Speed
> , 4 q GB composer (Cursor Bench score) (Tokens per Second)
> wh N
> BUILDING A FAST FRONTIER MODEL WITH RL
> ee LEE ROBINSON / vp, Developer Education QJ CURSOR

![[assets/slides/fL1iJHtl51Q/slide-003.jpg]]

OCR text:

> Speed

![[assets/slides/fL1iJHtl51Q/slide-004.jpg]]

OCR text:

> AIE

![[assets/slides/fL1iJHtl51Q/slide-005.jpg]]

OCR text:

> ; Agent RL @ dskspeceEtrotFunc should be calied mth
> ®e
> aw -@
> Roll 1 Read Edit
> , nowt File File
> Rollout 2 “ee Read Edit
> ; Seu File File
> -
> Google DeepMind vy auth® €} WorkOS x-Sourcegraph ¢ stigg Weights & Biases &

![[assets/slides/fL1iJHtl51Q/slide-006.jpg]]

OCR text:

> 7
> 
> _ te

![[assets/slides/fL1iJHtl51Q/slide-007.jpg]]
![[assets/slides/fL1iJHtl51Q/slide-008.jpg]]

OCR text:

> M POSEr Uses more Search ang ire Poon Li]
> file Fed tools lative to code (i
> Updates. Sern
> ~ i
> are : aed

![[assets/slides/fL1iJHtl51Q/slide-009.jpg]]

OCR text:

> probably my new daily driverformany things ok composer-1 is pretty nuts, and the code it writes is quite nice. willbrown owillccbb how it feels using cursor's composer model Anthony
> sync instead of async,and very quickly iterate on fixes.follows instructionsvery well
> jessald plessa(8)
> Composer1in Cursoris sofast.We arenowin theride the tigerphase of softwaredevelopment.
> AIE/CODE BUILDINGAFASTFRONTIERMODELWITHRL
> GoogleDeepMind PRESENTED BY LEEROBINSON/VP,DeveloperEducation CURSOR

![[assets/slides/fL1iJHtl51Q/slide-010.jpg]]

OCR text:

> will brown
> Anthony
> Bwillccbb
> ok composer-1 is pretty nuts, and the code it writes is quite nice.
> probably my new dailly driver formany things
> sync instead of async,and very quickly iterate on fixes.follows
> instructionsverywell
> jessald
> piessafo
> Composer1in Cursoris sofast.We arenowin theride the tigerphase of
> softwaredevelopment.
> AIEngineer
> Engineering the future of Al

![[assets/slides/fL1iJHtl51Q/slide-011.jpg]]

OCR text:

> ra
> 
> a

![[assets/slides/fL1iJHtl51Q/slide-012.jpg]]

OCR text:

> AIE

## Slide-Derived Subjects To Review
Subject extraction uses video title, related session titles/descriptions, transcript context, and OCR text when available. OCR is best-effort and should be reviewed against the embedded slide images.