Cognition SWE-2 Flash Release - Terminal-Bench 4.0: leaderboard

Terminal-Bench 4.0 containerized terminal tasks weighted toward science-adjacent and frontier engineering work. Cognition's SWE-2 Flash launch post (2026-11-04), as reported by Cognition for its own SWE-2 Flash and SWE-2 only; the post states no harness, attempts or reasoning effort, and its comparator columns are not admitted. Score (%), higher is better.

Metric: Score (%). Source: cognition.com. Saturation forecast: Rough model projection: around 2026. 2 models tracked.

Top models

#ModelScoreOverall rank
1SWE-227.3
2SWE-2 Flash20

Interactive version: theaggregate.ai/benchmark?slug=cognition-swe-2-flash-release-terminal-bench-4-0 · How It Works · Data refreshed daily, snapshot 2026-11-07.