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SWE-2

ECI
N/A
Cognition
Sep. 10, 2026
Closed weights

SWE-2 is a closed-weights model from Cognition, released September 10, 2026.

SWE-2 vs select alternatives

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SWE-2
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Software engineering
FrontierCodeBest score 55%
50%
53%
51%
44%

Model metadata

General
OrganizationCognition
Release dateSep. 10, 2026
Model accessibilityClosed weights
CountryUnited States of America
Knowledge cutoffUnknown
Provider notesIntroducing SWE-2: Pushing the Pareto Frontier
Pricing
Input price—
Output price—
Training
Parameters2.8e12
Training computeUnknown
Training hardwareUnknown
Training timeUnknown
Training dataset sizeUnknown