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Favicon for inception

Inception: Mercury Coder

inception/mercury-coder

Mercury Coder is the first diffusion large language model (dLLM). Applying a breakthrough discrete diffusion approach, the model runs 5-10x faster than even speed optimized models like Claude 3.5 Haiku and GPT-4o Mini while matching their performance. Mercury Coder's speed means that developers can stay in the flow while coding, enjoying rapid chat-based iteration and responsive code completion suggestions. On Copilot Arena, Mercury Coder ranks 1st in speed and ties for 2nd in quality. Read more in the blog post hereOpens in new tab.

Modalities
Context
128K
Released
Apr 30, 2025
Knowledge Cutoff
Jan 2025
ActivityFAQExplore

Activity

Token volume and request traffic to this model over time.

Not currently available through EU in-region routing. In-region routing docs

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Frequently asked questions

Mercury Coder is the first diffusion large language model (dLLM). Applying a breakthrough discrete diffusion approach, the model runs 5-10x faster than even speed optimized models like Claude 3.5 Haiku and GPT-4o Mini while matching their performance.

Mercury Coder has a 128,000 token context window.

Mercury 3, Mercury Decide, Mercury 2.5 and 1 more are other text models from Inception.

Mercury Coder was released on April 30, 2025. Its knowledge cutoff is January 31, 2025.