SWE-1.6
SWE-1.6 is an app-only language model from Cognition, released March 1, 2026.
We’re releasing SWE-1.6, our latest model built for software engineering agents, and we’re making it generally available in Windsurf. SWE-1.6 is optimized for both intelligence and model UX. Moreover, it is industry-leading in both speed (up to 950 tok/s) and cost (free tier for the next 3 months).
Check it against your own PC →
Lab
Cognition
Released
March 1, 2026
Weights
app-only
Parameters
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Context
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Price / M tokens
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Epoch ECI
not yet rated
Benchmark results
Epoch AI has not published results for SWE-1.6 yet. New models are usually evaluated within days to weeks.