Co-Design Bench Multimodal Editing

Name: Co-Design Bench Multimodal Editing results
Creator: Village

Strict completion on Co-Design Bench's 100 Multimodal Editing tasks: localized visual, structural and content edits to a runnable page, given an annotated target region and, for 80 tasks, an image, video, audio or document attachment. Its 553 hidden criteria, about 5.5 per task, also check that unrelated content is preserved when the request asks for it.

Models

Top score

75.4

Leader

GPT-6 Astra

Updated

Oct 26, 2026

Resolution

—

Saturation

—

Signal

30thpercentile

547th strongest of 779 fitted benchmarks

Signal-to-noise +3.91 for the Co-Design Bench family

Difficulty

Not estimated

Another benchmark represents this family in the fit.

10 dated models · 4 frontier modelsClosed weightsOpen weights

Show projectionFrontier only

Data: Co-Design Bench Authorsatlas.village.dev

#	Model	Setting	Score	Source
1	GPT-6 Astra	not reported · Claude Code	75.4	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
2	Claude Opus 5	not reported · Claude Code	69.5	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
3	Qwen3.8 Max (0902)	not reported · Claude Code	66.7	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
4	Kimi K3	not reported · Claude Code	66.2	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
5	Qwen3.8 27B	not reported · Claude Code	64.2	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
6	Opus 4.8	not reported · Claude Code	59.3	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
7	GPT-5.6 Sol	not reported · Claude Code	58.3	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
8	GLM-5.2	not reported · Claude Code	57.2	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
9	GLM-5.3 Flash	not reported · Claude Code	53.8	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)
10	Grok 4.6	not reported · Claude Code	46.7	Co-Design Bench leaderboard (arXiv 2610.35138v1, Tables 2 and 5)