Mercury 2.5

Mercury 2.5

Inception
RankGPT

RankGPT

Weiwei Sun
+
+

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About

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.

About

RankGPT is a Python toolkit designed to explore the use of generative Large Language Models (LLMs) like ChatGPT and GPT-4 for relevance ranking in Information Retrieval (IR). It introduces methods such as instructional permutation generation and a sliding window strategy to enable LLMs to effectively rerank documents. It supports various LLMs, including GPT-3.5, GPT-4, Claude, Cohere, and Llama2 via LiteLLM. RankGPT provides modules for retrieval, reranking, evaluation, and response analysis, facilitating end-to-end workflows. It includes a module for detailed analysis of input prompts and LLM responses, addressing reliability concerns with LLM APIs and non-deterministic behavior in Mixture-of-Experts (MoE) models. The toolkit supports various backends, including SGLang and TensorRT-LLM, and is compatible with a wide range of LLMs. RankGPT's Model Zoo includes models like LiT5 and MonoT5, hosted on Hugging Face.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

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

Audience

AI researchers needing a tool to leverage LLMs for advanced document reranking in information retrieval systems

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

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

Company Information

Weiwei Sun
United States
github.com/sunnweiwei/RankGPT

Alternatives

Mercury Coder

Mercury Coder

Inception Labs

Alternatives

Mercury Edit 2

Mercury Edit 2

Inception
RankLLM

RankLLM

Castorini
Mercury 2

Mercury 2

Inception
ColBERT

ColBERT

Future Data Systems

Categories

Categories

Integrations

ChatGPT
Claude
Cohere
GPT-3.5
GPT-4
Hugging Face
JSON
LiteLLM
Llama 2
NVIDIA TensorRT
Python
RankLLM

Integrations

ChatGPT
Claude
Cohere
GPT-3.5
GPT-4
Hugging Face
JSON
LiteLLM
Llama 2
NVIDIA TensorRT
Python
RankLLM
Claim Mercury 2.5 and update features and information
Claim Mercury 2.5 and update features and information
Claim RankGPT and update features and information
Claim RankGPT and update features and information