Mercury Voice

Mercury Voice

Inception
+
+

Related Products

  • LM-Kit.NET
    29 Ratings
    Visit Website
  • LTX
    182 Ratings
    Visit Website
  • Gemini Enterprise Agent Platform
    999 Ratings
    Visit Website
  • JetBrains Junie
    12 Ratings
    Visit Website
  • Google AI Studio
    41 Ratings
    Visit Website
  • InEight
    136 Ratings
    Visit Website
  • Zendesk
    7,958 Ratings
    Visit Website
  • FinOpsly
    3 Ratings
    Visit Website
  • Creatio
    586 Ratings
    Visit Website
  • Daylight
    11 Ratings
    Visit Website

About

GLM-5.3-Flash is Z.ai’s natively multimodal model in the GLM-5 series (previously previewed as Ox Alpha), designed to deliver strong coding, agentic, visual, and knowledge-work performance at relatively low inference cost. It uses 320 billion total parameters with 18 billion active parameters, along with a hybrid architecture that combines sparse and linear attention to reduce the cost of long-context processing. The model supports context lengths of up to one million tokens and was trained on a 30-trillion-token multimodal corpus. GLM-5.3-Flash can reason across text, images, documents, interfaces, dashboards, and other visual information while using that feedback to refine its own outputs. Z.ai reports substantial gains over GLM-5.2 on coding and agentic benchmarks, including DeepSWE and AutomationBench, while approaching higher-cost frontier models on several evaluations.

About

Mercury is a family of diffusion large language models built to deliver frontier LLM quality at significantly higher speeds, running at 1,000+ tokens per second on commercial NVIDIA GPUs for instant, in-the-flow AI applications. The models are OpenAI-compatible and designed as drop-in replacements for traditional LLMs, making them easier to integrate into existing AI stacks. Mercury 2.5 is the family’s most intelligent reasoning dLLM, built for complex applications where both quality and speed matter. It supports a 260K context window, reasoning, tool use, and structured output, with use cases including rapid coding iteration, agents and subagents, customer support, and enterprise search. Mercury Voice is optimized for voice agents and delivers time-to-first-token under 170 ms while supporting reasoning, tool use, structured output, and a 128K context window. It is suited to applications such as customer support, patient care, education, and gaming.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, AI engineers, agent builders, researchers, and organizations that need cost-efficient multimodal reasoning, long-context processing, advanced coding, visual analysis, and autonomous workflow capabilities

Audience

Developers and AI teams seeking to build fast, high-performance applications, agents, voice systems, and reasoning workflows with diffusion-based language models

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0.15 per 1M tokens (input)
Input: $0.15 per 1M tokens
Output: $0.50 per 1M tokens
Cached input: $0.03 per 1M tokens
Free Version Not Supported
Free Trial Not Supported

Pricing

$0.04 per 1M tokens
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5

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

Pros & Cons from Real Users

Pros

  • What makes it exciting is that it seems built for the exact workloads developers care about right now: long-horizon coding, complex reasoning, big-context analysis, and agentic workflows. A million-token context window is especially useful if you want to drop in a large repo, long spec, research corpus, or messy project history and have the model reason across it.

Cons

  • I would treat it as something exciting to test, not something to blindly trust with sensitive work. Even the independent Ox Alpha site warns that messages are processed by the upstream model API, so I would keep secrets, private code, and customer data out of it until there is a clearer owner, model card, privacy policy, and production story.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Z.ai
Founded: 2019
China
z.ai

Company Information

Inception
United States
www.inceptionlabs.ai/models

Alternatives

Alternatives

Mercury Edit 2

Mercury Edit 2

Inception
Mercury 2.5

Mercury 2.5

Inception
Mercury 2

Mercury 2

Inception
MiniMax M3

MiniMax M3

MiniMax
Mercury Coder

Mercury Coder

Inception Labs
Qwen3.5

Qwen3.5

Alibaba
Kimi K3

Kimi K3

Moonshot AI

Categories

AI Coding Models Supported
AI Models Supported
Multimodal Models Supported

Categories

AI Models Supported

Integrations

Cheaper Inference Supported
Claude Code Supported
Claude Haiku 4.5 Not Supported
DeepSeek Harness Supported
GLM Coding Plan Supported
GPT-5.6 Luna Not Supported
Gemini 3.5 Flash-Lite Not Supported
Hermes Agent Supported
OpenAI Not Supported
OpenClaw Supported
OpenCode Go Supported
OpenCode Zen Supported
OpenRouter Supported
Pi Agent Supported
Z.ai Supported
omp Supported

Integrations

Cheaper Inference Not Supported
Claude Code Not Supported
Claude Haiku 4.5 Supported
DeepSeek Harness Not Supported
GLM Coding Plan Not Supported
GPT-5.6 Luna Supported
Gemini 3.5 Flash-Lite Supported
Hermes Agent Not Supported
OpenAI Supported
OpenClaw Not Supported
OpenCode Go Not Supported
OpenCode Zen Not Supported
OpenRouter Not Supported
Pi Agent Not Supported
Z.ai Not Supported
omp Not Supported
Claim GLM-5.3-Flash and update features and information
Claim GLM-5.3-Flash and update features and information
Claim Mercury Voice and update features and information
Claim Mercury Voice and update features and information