Capgemini moves its self-hosted SovBox coding assistant to Mistral's Codestral, raising developer adoption from 30% to 100% across about 50 client projects
Capgemini's 'RAISE for Private Software Engineering' (SovBox) is a self-hosted internal software engineering assistant for regulated clients in aerospace, defence and the public sector. Swapping the earlier open-source LLM for Mistral's Codestral, with no infrastructure change, raised code completion accuracy from about 50% to 90% and developer adoption from 30% to 100%, with the roughly 50 client projects reporting productivity savings. Capgemini is now rolling out the full Mistral Code solution.
Overview
Capgemini's 'RAISE for Private Software Engineering' (SovBox) is a self-hosted internal software engineering assistant for regulated clients in aerospace, defence and the public sector. Swapping the earlier open-source LLM for Mistral's Codestral, with no infrastructure change, raised code completion accuracy from about 50% to 90% and developer adoption from 30% to 100%, with the roughly 50 client projects reporting productivity savings. Capgemini is now rolling out the full Mistral Code solution.
This entry has 13 published fields tied to exact passages in an immutable source capture.
Inspect the highlighted sourceThe challenge
Capgemini's regulated clients in aerospace, defence and the public sector need self-hosted AI solutions because strict privacy and data control prevent cloud offerings. Early open-source coding assistants had only 30% adoption because developers found about 50% accuracy insufficient, and legacy applications from the 1980s needed support in languages such as ADA, C and C++.
The solution
Capgemini replaced the earlier open-source LLM in its self-hosted coding assistant (RAISE for Private Software Engineering, also known as SovBox) with Mistral's Codestral, without infrastructure changes and keeping the IDE and CI/CD integrations. It is now rolling out the full Mistral Code solution, including Codestral Embed and Devstral for RAG and CI/CD integration.
Reported business value
The source reports developer adoption rising from 30% to 100%, code completion accuracy of 90% versus 50% for previous solutions, and about 50 client projects reporting productivity savings within 6 months. All figures are vendor-reported.
Sources
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