Audience

Developers and enterprises seeking a high-speed diffusion language model for search, RAG, voice agents, coding assistants, and latency-sensitive AI applications

About Mercury 2.5

Mercury 2.5 is Inception’s most capable production model yet and a significant step up in quality over Mercury 2 while maintaining the same low-latency serving profile. It is the most capable diffusion LLM on the market and, according to Inception, the largest diffusion language model ever trained. Mercury 2.5 delivers a 40% increase in intelligence over Mercury 2, with performance comparable to cost-optimized frontier models such as GPT-5.6 Luna (Low), Gemini 3.5 Flash-Lite, and Claude Haiku 4.5. It generates at 1,107 tokens per second on widely available NVIDIA GPUs and supports a 260K-token context window. Capabilities include tunable reasoning, parallel tool calls, and schema-aligned JSON. The model is designed for latency-sensitive workloads where many model calls may happen inside a single interaction. In search agents and RAG pipelines, it can support planning, query rewriting, reranking, fact structuring, source summarization, and answer checking while keeping calls fast.

Integrations

API:
Yes, Mercury 2.5 offers API access

Ratings/Reviews

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Company Information

Inception
United States
www.inceptionlabs.ai/blog/introducing-mercury-2-5

Videos and Screen Captures

Mercury 2.5 Screenshot 1
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Product Details

Platforms Supported
Cloud
Training
Documentation
Live Online
Videos
Support
Online

Mercury 2.5 Frequently Asked Questions

Q: What kinds of users and organization types does Mercury 2.5 work with?
Q: What languages does Mercury 2.5 support in their product?
Q: What kind of support options does Mercury 2.5 offer?
Q: Does Mercury 2.5 have an API?
Q: What type of training does Mercury 2.5 provide?

Mercury 2.5 Product Features