Stockmark

Tokyo's low-hallucination LLM shop, used by 30% of Nikkei 225

Research & Data Enterprise Has API
Researched · Published · Reviewed
RECATOOLS Score
6.4 / 10
Capability
7
Value for money
6
Ease of use
5.5
ASEAN readiness
4.5
API quality
6.5
Founded
HQ
Users
Launched
Developer

Overview

Stockmark builds Japanese-language foundation models and enterprise intelligence tools — Aconnect (formerly Anews) for AI-curated business news, Astrategy for market analysis, and the SAT platform for turning unstructured company data into structured, searchable assets via API.

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Pricing

Pricing shown for reference only. These figures reflect RECATOOLS research as of 12 Jul 2026 and may be out of date or incomplete. This is not financial or purchasing advice — always confirm the current price on the provider’s official website before making any decision.

Aconnect Free
¥0/mo
Limited trial tier
  • Up to 3 keywords
  • Up to 3 users
SAT / Astrategy / Enterprise
Custom
Quote-only via sales
  • API access to structuring platform
  • Custom LLM deployment

What you can produce with Stockmark

  • Aconnect (formerly Anews) — AI-curated business news and knowledge agent
  • Astrategy — market and competitive strategy analysis tool
  • SAT — pay-as-you-go API for structuring unstructured company data
  • Stockmark-2-100B / Stockmark-2-VL-100B — scratch-trained, low-hallucination Japanese multimodal models
  • BusinessSlideVQA benchmark for Japanese business-document comprehension
  • Adopted by ~30% of Nikkei 225 companies, 300+ firms total
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ASEAN Perspective

Stockmark in Southeast Asia

ASEAN-region availability and pricing notes coming soon. Drop the editorial team a note via /contact/ if you can supply local context (Singapore/Malaysia/Indonesia/Thailand/Vietnam).

RECATOOLS Verdict

Stockmark is a legitimate enterprise AI vendor rather than a chatbot wrapper: its Stockmark-2-100B family is trained from scratch specifically to suppress hallucination on dense Japanese business documents, and adoption backs that up — roughly 30% of Nikkei 225 companies and 300+ firms total, including Toyota, Panasonic, Hitachi and Murata Manufacturing, per company and press reporting. It raised 8.8 billion yen cumulatively through an October 2024 Series D and has kept building since.

One thing to flag for anyone researching this vendor: Anews, its flagship news-intelligence product, was rebranded to Aconnect on July 1, 2025, repositioned as an "AI agent deeply connected to operations" rather than a news digest — old references to "Anews" describe a product that no longer exists under that name. Everything here is Japanese-language-first with Japanese-only pricing pages; there's no ASEAN localization or self-serve signup for most products. For Japanese enterprise document intelligence specifically, it's a serious specialist, not a generalist play.

Independent AI-assisted assessment by RECATOOLS.

What people say

Stockmark's core pitch is accuracy over generality: rather than fine-tuning a general LLM, it trained Stockmark-2-100B and the newer Stockmark-2-VL-100B (a 100-billion-parameter multimodal document model) from scratch on Japanese business text, explicitly to cut hallucination rates on dense corporate documents and slide decks. The company also publishes a benchmark, BusinessSlideVQA, with 220 questions testing comprehension of complex Japanese business slide imagery.

The product line has shifted meaningfully in the past year. Anews — Stockmark's AI news-curation tool that aggregated roughly 35,000 global business sources — was rebranded to Aconnect on July 1, 2025, reframed around Stockmark's "Enterprise Knowledge Platform" concept as an operations-connected AI agent rather than a passive news feed; it now also carries manufacturing-specific R&D and competitive-intelligence workflows. Astrategy remains the market/strategy-analysis product, and SAT (Stockmark A Technology) is the pay-as-you-go API layer for structuring unstructured company data. In May 2026 Stockmark launched an "AI-Ready" initiative with 16 major domestic companies to accelerate enterprise AI adoption.

Adoption numbers are specific and third-party-reported rather than self-serving: roughly 30% of Nikkei 225 constituents and 300+ companies overall use Stockmark products, with named implementers including Toyota, Asahi Kasei, Murata Manufacturing, Panasonic, Hitachi and Suzuki — a manufacturing-heavy customer base that lines up with the company's push into R&D and competitive-analysis tooling. Funding stands at 8.8 billion yen cumulative as of an October 2024 Series D (4.5 billion yen in that round alone), with headcount around 150.

Pricing for Aconnect (the former Anews) starts with a free tier capped at 3 keywords and 3 users, with paid plans starting around ¥29,800/month; enterprise SAT and Astrategy pricing is quote-only via a sales inquiry form, so specific enterprise contract values aren't public. Independent review-site coverage (G2, Capterra) is essentially absent for the flagship products — most third-party commentary comes from Japanese business press and startup-database profiles rather than user review platforms, consistent with an enterprise-sales, not self-serve, go-to-market.

Summary of public user & expert reviews, compiled by RECATOOLS.

About this listing

Researched on
Published on
Last reviewed

This entry was compiled from publicly available data including Stockmark's official website, press releases, documentation, and reputable third-party publications. RECATOOLS is not affiliated with Stockmark unless explicitly stated.

Data accuracy

Third-party AI tools update their pricing, features, availability, and policies frequently. Information here may be outdated by the time you read this — we make reasonable efforts to keep listings current, but cannot guarantee absolute accuracy.

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