Moore Threads

Moore Threads (摩尔线程智能科技) is a Chinese GPU company founded in June 2020 that builds full-function GPUs and the MUSA (Meta-computing Unified System Architecture) software stack — a CUDA-alternative programming environment covering the MUSA SDK, muDNN, muBLAS, MCCL, Triton-MUSA and the Musify CUDA-porting toolkit. Alongside the silicon and the SDK it operates a small but real public API surface: the AIBook speech platform (HTTP and WebSocket text-to-speech, streaming and recording-file speech recognition, and streaming voice conversion on aibook-api.mthreads.com), the KUAE Cloud (夸娥云) Coding Plan — an OpenAI- and Anthropic-compatible LLM inference endpoint at coding-plan-endpoint.kuaecloud.net serving GLM-4.7 on MTT S5000 GPUs — and the "摩影元像" digital-human Web SDK distributed on npm as `mtai`. None of these surfaces publishes a machine-readable contract; every operation is documented as prose, parameter tables and curl/Python samples on docs.mthreads.com, and access tokens are issued by contacting sales.

Moore Threads publishes 4 APIs on the APIs.io network. Tagged areas include Company, GPU, Artificial Intelligence, Machine-Learning, and Semiconductors.

The Moore Threads catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Moore Threads’ developer surface includes documentation, API reference, getting-started guide, support, engineering blog, signup flow, authentication, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub

47.0/100 developing ▬ flat Agent 28/100 agent aware saas Full breakdown ↓
scored 2026-09-01 · rubric v0.17.2

4 APIs

Company GPU Artificial Intelligence Machine-Learning Semiconductors Speech Recognition Text-to-Speech Voice LLM Inference Cloud Computing Developer Tools China

Kin Score

Kin Score How this is scored →
scored 2026-09-01 · rubric v0.17.2

Composite quality — 47.0/100 · developing

Contract Quality 10.7 / 25

Developer Ergonomics 11.7 / 20

Access Clarity 9.7 / 20

Operational Transparency 7.5 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 28/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 6 / 6

Agent Skills 0 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/moore-threads: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

GettingStarted

SignUp

Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

ErrorCatalog

Conventions

Lifecycle

Conformance

Webhooks

Components

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Packages

Packages

SDKs

SDKs

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

ChangeLog

ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: moore-threads
name: Moore Threads
description: 'Moore Threads (摩尔线程智能科技) is a Chinese GPU company founded in June 2020 that builds full-function GPUs and the
  MUSA (Meta-computing Unified System Architecture) software stack — a CUDA-alternative programming environment covering the
  MUSA SDK, muDNN, muBLAS, MCCL, Triton-MUSA and the Musify CUDA-porting toolkit. Alongside the silicon and the SDK it operates
  a small but real public API surface: the AIBook speech platform (HTTP and WebSocket text-to-speech, streaming and recording-file
  speech recognition, and streaming voice conversion on aibook-api.mthreads.com), the KUAE Cloud (夸娥云) Coding Plan — an OpenAI-
  and Anthropic-compatible LLM inference endpoint at coding-plan-endpoint.kuaecloud.net serving GLM-4.7 on MTT S5000 GPUs
  — and the "摩影元像" digital-human Web SDK distributed on npm as `mtai`. None of these surfaces publishes a machine-readable
  contract; every operation is documented as prose, parameter tables and curl/Python samples on docs.mthreads.com, and access
  tokens are issued by contacting sales.'
url: https://raw.githubusercontent.com/api-evangelist/moore-threads/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
specificationVersion: '0.20'
created: '2026-08-26'
modified: '2026-08-26'
image: https://www.mthreads.com/favicon/logo.png
tags:
- Company
- GPU
- Artificial Intelligence
- Machine-Learning
- Semiconductors
- Speech Recognition
- Text-to-Speech
- Voice
- LLM Inference
- Cloud Computing
- Developer Tools
- China
tags_raw:
- Company
- GPU
- Artificial Intelligence
- Machine Learning
- Semiconductors
- Speech Recognition
- Text To Speech
- Voice
- LLM Inference
- Cloud Computing
- Developer Tools
- China
apis:
- name: Moore Threads AIBook Text-to-Speech API
  description: HTTP and WebSocket speech synthesis. A non-streaming POST /api/v1/tts/generate returns a complete wav/mp3 for
    up to 300 characters; a WebSocket /api/v2/tts/stream_generate streams base64 PCM chunks with word- and phoneme-level timestamps,
    and additionally accepts streaming TEXT input so an LLM's token stream can be voiced as it is produced. 27 named voices
    are published, split between large-model and lite voices. Authenticated with an Authorization header; tokens are issued
    by contacting Moore Threads.
  humanURL: https://docs.mthreads.com/tts/unary-tts/introduction
  baseURL: https://aibook-api.mthreads.com:32414
  tags:
  - Text-to-Speech
  - Voice
  - Streaming
  tags_raw:
  - Text To Speech
  - Voice
  - Streaming
  properties:
  - type: Documentation
    url: https://docs.mthreads.com/tts/unary-tts/introduction
  - type: APIReference
    url: https://docs.mthreads.com/tts/stream-tts/introduction
- name: Moore Threads AIBook Speech Recognition API
  description: Speech-to-text in two shapes. A realtime WebSocket at /api/v1/asr accepts 16 kHz mono audio and returns SentenceBegin
    / SentenceChanged / SentenceEnd events with optional punctuation, ITN, disfluency removal, speaker diarization, confidence
    and word-level timing. A recording-file HTTP API on the same base submits a job by URL or chunked upload, then polls for
    the transcript or receives it on a callback URL; audio up to 512 MB / 5 hours, results retained 72 hours. Bearer token
    authentication.
  humanURL: https://docs.mthreads.com/asr/recording-recognition/introduction
  baseURL: https://aibook-api.mthreads.com:62220/api/v1/asr
  tags:
  - Speech Recognition
  - Voice
  - Transcription
  properties:
  - type: Documentation
    url: https://docs.mthreads.com/asr/recording-recognition/introduction
  - type: APIReference
    url: https://docs.mthreads.com/asr/realtime-recognition/introduction
- name: Moore Threads AIBook Streaming Voice Conversion API
  description: A WebSocket voice-conversion service at /api/v1/streaming_vc that re-timbres a live 16 kHz 16-bit mono PCM
    stream into a target voice and returns 48 kHz PCM. Interaction is StartConversion → binary audio frames → StopConversion,
    with ConversionStarted / ConversionCompleted / Error control messages. Token passed as a URL query parameter.
  humanURL: https://docs.mthreads.com/vc/stream-vc/introduction
  baseURL: https://aibook-api.mthreads.com:32314
  tags:
  - Voice
  - Streaming
  - Audio
  properties:
  - type: Documentation
    url: https://docs.mthreads.com/vc/stream-vc/introduction
- name: KUAE Cloud Coding Plan API
  description: An LLM inference endpoint operated on Moore Threads MTT S5000 GPUs and sold as a subscription for AI coding
    tools. It speaks two wire protocols from one host — the Anthropic Messages protocol at the root (used by Claude Code)
    and the OpenAI Chat Completions protocol at /v1 (used by Cline, Cursor, Roo Code, Kilo Code and OpenCode) — serving the
    GLM-4.7 model. Authenticated with an API key created in the KUAE Cloud console.
  humanURL: https://docs.mthreads.com/kuaecloud/kuaecloud-doc-online/coding_plan/tools_config
  baseURL: https://coding-plan-endpoint.kuaecloud.net
  tags:
  - LLM Inference
  - Artificial Intelligence
  - Developer Tools
  properties:
  - type: Documentation
    url: https://docs.mthreads.com/kuaecloud/kuaecloud-doc-online/coding_plan/tools_config
  - type: GettingStarted
    url: https://docs.mthreads.com/kuaecloud/kuaecloud-doc-online/coding_plan/user_guide
  - type: SignUp
    url: https://coding-plan.kuaecloud.net/free_apply
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.mthreads.com/
- type: DeveloperPortal
  url: https://developer.mthreads.com
- type: Documentation
  url: https://docs.mthreads.com/
- type: APIReference
  url: https://docs.mthreads.com/tts/stream-tts/introduction
- type: GettingStarted
  url: https://docs.mthreads.com/kuaecloud/kuaecloud-doc-online/coding_plan/user_guide
- type: Support
  url: https://www.mthreads.com/support/FAQ
- type: Blog
  url: https://blog.mthreads.com
- type: GitHubOrganization
  url: https://github.com/MooreThreads
- type: SignUp
  url: https://coding-plan.kuaecloud.net/free_apply
- type: TermsOfService
  url: https://docs.mthreads.com/kuaecloud/kuaecloud-doc-online/terms/user_agreement
- type: PrivacyPolicy
  url: https://www.mthreads.com/privacy
- type: Authentication
  url: authentication/moore-threads-authentication.yml
- type: ErrorCatalog
  url: errors/moore-threads-error-codes.yml
- type: Conventions
  url: conventions/moore-threads-conventions.yml
- type: RateLimits
  url: rate-limits/moore-threads-rate-limits.yml
- type: Plans
  url: plans/moore-threads-plans-pricing.yml
- type: Packages
  url: packages/moore-threads-packages.yml
- type: SDKs
  url: packages/moore-threads-packages.yml
- type: LLMsTxt
  url: llms/moore-threads-llms.txt
- type: Lifecycle
  url: lifecycle/moore-threads-lifecycle.yml
- type: ChangeLog
  url: changelog/moore-threads-changelog.yml
- type: Conformance
  url: conformance/moore-threads-conformance.yml
- type: DomainSecurity
  url: security/moore-threads-domain-security.yml
- type: Webhooks
  url: asyncapi/moore-threads-webhooks.yml
- type: Sandbox
  url: sandbox/moore-threads-sandbox.yml
- type: Components
  url: components/moore-threads-components.yml
x-enrichment:
  date: '2026-08-26'
  status: enriched
  artifacts_added: 16
  pass: local-v1
x-coverage:
  state: covered
  reason: null
  detail: Moore Threads has a real, fully documented public API surface — AIBook TTS/ASR/voice conversion on aibook-api.mthreads.com
    and the KUAE Cloud Coding Plan LLM endpoint — but publishes no machine-readable contract for any of it; every artifact
    here was read from the prose API references on docs.mthreads.com.
  evidence:
  - url: https://docs.mthreads.com/tts/unary-tts/introduction
    status: 200
  - url: https://docs.mthreads.com/kuaecloud/kuaecloud-doc-online/coding_plan/tools_config
    status: 200
  - url: https://aibook-api.mthreads.com:62220/openapi.json
    status: 404
  checked: '2026-08-26'

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Moore Threads

Kin Score

APIs 4

Moore Threads AIBook Text-to-Speech API

Moore Threads AIBook Speech Recognition API

Moore Threads AIBook Streaming Voice Conversion API

KUAE Cloud Coding Plan API

Pricing Plans 1

Moore Threads Plans Pricing

Rate Limits 1

Moore Threads Rate Limits

Event Specifications 1

Moore Threads Webhooks

Security Posture 2

Moore Threads Authentication

Moore Threads Domain Security

Resources