# GPT-6 Sol and GPT-6 Luna are now available in Devin | Devin

Both models are live in Devin Desktop and Devin CLI, delivering comparable or higher benchmark scores at lower task costs.

- GPT-6 Sol matches GPT-5.6 Sol's score on FrontierCode 1.1 at 61% lower cost per task and reads about 17% less context.
- GPT-6 Luna costs under $0.10 per task on FrontierCode 1.1, scoring 56.1% at roughly a quarter of GPT-5.6 Luna's cost.
- GPT-6 Sol scores within four points of GPT-6 Astra at less than half the cost.
- GPT-6 Luna writes real regression tests instead of mock-based tests at low and medium reasoning effort.

## Why it matters

Devin users can run code generation and repository tasks at substantially lower cost and token usage.

## Sources

- [Devin: GPT-6 Sol and GPT-6 Luna are now available in Devin | Devin](https://devin.ai/blog/gpt-6-sol-luna)

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Summarized by dstilled on 2026-09-22. https://dstilled.ai/story/1ad92f42-4574-4e18-97bf-04c07320cf40