The high range of open models was dominated by Chinese companies. Devstral 2 places Europe at a level where the United States does not appear. The difference between business models still exists, but the map has changed.
Photo: Xataka
Over the past year, elite open models for assisted programming, at least in criteria like SWE-Bench Verified, have featured a strong Chinese presence. Names like DeepSeek, Kimi and Qwen had already established themselves at the top of testing and were setting the pace in complex software engineering tasks, while Europe was still finding its place. The arrival of Devstral 2 changes this scenario. This does not displace those who were already at the top, but it puts the Mistral back at the same level of requirements and transforms a European company into a real competitor in a field which until then seemed reserved for others.
Change of championship: the technological leap that has been taking shape for some time
In recent months, open source models developed in Europe and the United States have shown constant evolution, although they still lack the performance necessary to compete with the most demanding tests. The progress was evident, but a project capable of consolidating them at a higher level and demonstrating that this path could generate results comparable to sector benchmarks was missing.
Devstral 2 on data: performance, size and licenses
Mistral’s new model achieves 123 billion parameters in a dense architecture and offers an extended context of 256,000 tokens, accompanied by a modified MIT license that facilitates its adoption in open environments. Its compact version, Devstral Small 2, reduces the model to 24 billion parameters under the Apache 2.0 license. In the results of the SWE-Bench…
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