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# GPT-5.6 Sol: 70% off in Devin

CognitionAugust 18, 20261 min read

GPT-5.6 Sol is available at a 70% discount on Devin Desktop and Devin CLI through October 3, 2026.

GPT-5.6 Sol is OpenAI’s flagship model, built for frontier reasoning and long-horizon agentic work. On [FrontierCode 1.1](https://cognition.ai/blog/frontier-code-1.1), our proprietary benchmark that grades models on real-world engineering tasks based on quality and mergeability, Sol achieves top-tier results. With this promo, it is one of the most cost-effective frontier models you can run in Devin.

#### FrontierCode 1.1 ExtendedScore

Score is a weighted aggregate of rubric items. Solutions that don’t pass blocking criteria receive 0.

#### FrontierCode 1.1 ExtendedScorevsCost ($)

Score: a weighted aggregate of the rubric items. Solutions that don’t pass blocking criteria receive 0.

Cost ($): the mean USD spend per rollout. Each dot is a reasoning effort.

GPT-5.6 Sol (promo): costs reflect the 70% promo discount available in Devin through October 3, 2026. The dashed line shows GPT-5.6 Sol at standard pricing.

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