Mercury Coder: Pricing, Context Window & Benchmarks
by Inception
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 here](https://www.inceptionlabs.ai/blog/introducing-mercury).
What you can do with Mercury Coder
Everyday Q&A and clear explanations
Writing help (emails, posts, summaries)
Idea generation and brainstorming
Learning support with step-by-step guidance
Benchmarks not available
This model isn't listed on Artificial Analysis yet. Showing OpenRouter specs below.
| Metric | Value |
|---|---|
| Provider | Inception |
| Context Window | 128,000 tokens |
| Input Price | $0.25/1M tokens |
| Output Price | $1.00/1M tokens |
| Release Date | Apr 30, 2025 |
| Modalities | text |
| Capabilities | N/A |
Compare Mercury Coder to other models
See how it stacks up on price, quality, and overall performance.
Frequently asked questions
What is Mercury Coder good for?
Use Mercury Coder for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Mercury Coder cost?
Pricing is based on usage. Current rates are $0.25/1M tokens for input and $1.00/1M tokens for output.
Can I try Mercury Coder for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Mercury Coder support images or audio?
Mercury Coder focuses on text-based tasks.
Similar models
Pricing, context, and capability data are sourced from OpenRouter.
Compare Models
Select a model to compare with Mercury Coder