CyberAgentLM

Open Japanese LLMs from Japan's biggest ad group — Apache 2.0

LLMs & Chat Open Source Open Source
Researched · Published · Reviewed
RECATOOLS Score
7.4 / 10
Capability
8
Value for money
9.5
Ease of use
5.5
ASEAN readiness
5
API quality
4
Founded
1998
HQ
Shibuya, Tokyo, Japan
Users
Community adoption via Hugging Face downloads across the model family
Launched
OpenCALM May 2023; CALM2 Nov 2023; CALM3 Jul 2024
Developer
CyberAgent, Inc.

Overview

CyberAgentLM is CyberAgent's family of open-weight Japanese LLMs, from 160M-parameter OpenCALM (2023) to the 22B CALM3 flagship (2024), released under Apache 2.0 for free commercial self-hosting; CALM3-22B-Chat benchmarks near Llama-3-70B-Instruct at under a third the size.

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Pricing

Pricing shown for reference only. These figures reflect RECATOOLS research as of 11 Jul 2026 and may be out of date or incomplete.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.

Self-hosted
Free
Deploy on your own GPUs — compute costs are yours
  • Runs on vLLM, Transformers, GGUF ports
  • No hosted API from CyberAgent
  • Fine-tuning permitted under licence

Use cases

Japanese-language chatbot and virtual assistant deployments for enterprises requiring on-premises data control Advertising creative generation and copywriting assistance in Japanese, leveraging CyberAgent's domain expertise Japanese document summarisation, classification, and information extraction in legal, finance, or media workflows Fine-tuning base for domain-specific Japanese AI applications (medical, legal, e-commerce) Bilingual Japanese-English customer support and content moderation pipelines

What you can produce with CyberAgentLM

  • Open-weights CALM3-22B-Chat model files (BF16 ~45GB; 4-bit quant ~13GB) downloadable from Hugging Face
  • Apache 2.0 licence permitting commercial deployment, modification, and redistribution without royalties
  • ChatML-formatted instruction-tuned model ready for conversational use out of the box
  • Compatibility with vLLM and SGLang for production-grade, OpenAI-compatible inference server setup
  • Earlier model tiers (OpenCALM 160M–6.8B; CALM2 7B) for resource-constrained or edge deployments
  • CyberAgent AI Lab research papers and benchmark results on GitHub (CyberAgentAILab org)
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ASEAN Perspective

CyberAgentLM in Southeast Asia

CyberAgentLM is a Japan-first model with strong Japanese and English bilingual capability, making it directly relevant to Japanese-language operations across ASEAN — particularly in Singapore, Malaysia, and Indonesia where Japanese multinationals maintain significant business presence. The Apache 2.0 licence allows regional enterprises to deploy entirely on-premises, which aligns well with data-sovereignty requirements in markets like Indonesia and Thailand. However, the model has no demonstrated training data or fine-tuning for Malay, Indonesian, Thai, Vietnamese, or other ASEAN languages, so organisations seeking broad regional language coverage will need to look elsewhere or supplement with fine-tuning.

RECATOOLS Verdict

CALM3-22B-Chat remains one of the stronger open-weight Japanese LLMs available, matching Meta's Llama-3-70B-Instruct on the Nejumi leaderboard at less than a third the parameter count — a genuinely good result for a 2024 release CyberAgent hasn't superseded since. Apache 2.0 licensing means no fees and no rate limits, and from-scratch training (rather than fine-tuning an English base model) gives it a Japanese-optimized ~60K-token vocabulary. CyberAgent AI Lab, the team behind it, ranks 4th in Japan for AI research output, behind only NTT and Fujitsu among non-pure-AI companies. The catch is infrastructure: there's no hosted API, so the 22B model's ~45GB BF16 footprint (or ~13GB at 4-bit) is entirely the user's problem. English and ASEAN-language coverage is essentially nonexistent, and community support is thinner than the Llama or Mistral ecosystems. Best suited to Japanese enterprises with in-house ML teams willing to run their own inference.

Independent AI-assisted assessment by RECATOOLS.

What people say

22.5 billion parameters, trained from scratch on 2 trillion Japanese and English tokens, and it still holds up against models three times its size — CALM3-22B-Chat, released July 2024, remains competitive with Meta's Llama-3-70B-Instruct on the Nejumi LLM Leaderboard despite being over a year and a half old with no CALM4 in sight. That's either a sign the architecture holds up or a sign CyberAgent hasn't prioritized a refresh; both readings are plausible.

The model comes from CyberAgent AI Lab, founded in 2016 and ranked 4th in Japan for AI research output — a notable result for a digital advertising company (CyberAgent posted ¥874 billion in FY2025 revenue) rather than a dedicated AI lab. The earlier OpenCALM (160M-6.8B, 2023) and CALM2 (7B, 1.3T tokens, 2023) releases show the progression, and all of it ships under Apache 2.0 with no licensing fees.

What you don't get is a hosted API. CyberAgent doesn't operate one, so running CALM3-22B means provisioning your own GPU — roughly 45GB of VRAM in BF16, less at 4-bit quantization. That's a real barrier for teams without in-house ML infrastructure, and a sharp contrast to SoftBank's SB Intuitions, which at least offers a paid API alongside its open weights.

Language coverage is Japanese and English only; there's nothing here for Southeast Asian markets. For a Japanese enterprise with GPU capacity and no interest in per-token API billing, CALM3 is still a legitimate free option in 2026 — just not a maintained-and-growing one.

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

Notable facts

  • CALM3-22B achieves performance equivalent to Meta's 70B Llama model — despite having roughly one-third the parameters.
  • CyberAgent AI Lab was founded in 2016 making it one of the earliest AI research labs established by an advertising company anywhere in the world.
  • The parent company CyberAgent also owns Abema, Japan's major internet TV service, and reports annual revenue above ¥800 billion (~US$5 billion).
  • CALM3 was trained from scratch on 2 trillion tokens rather than being fine-tuned from an existing English base model — a deliberate design choice for Japanese tokenisation quality.

Frequently asked questions

Is CyberAgentLM free for commercial use?
Yes. CALM2 and CALM3 are released under Apache 2.0, which permits free commercial use, modification, and redistribution. OpenCALM (the earlier series) uses CC BY-SA 4.0, which requires attribution and share-alike. Always check the specific model card on Hugging Face before deploying.
Is there a hosted API I can call without running my own servers?
No. CyberAgent does not operate a managed inference API for the CyberAgentLM family. You must self-host using Hugging Face Transformers, vLLM, or SGLang. Third-party inference providers such as Together AI or Replicate may host compatible models, but this is not officially supported by CyberAgent.
How does CALM3 compare to other Japanese LLMs like ELYZA or Swallow?
On the Nejumi LLM Leaderboard 3 (as of July 2024), CALM3-22B-Chat benchmarks comparably to Llama-3-70B-Instruct and is competitive with ELYZA and Swallow in Japanese task performance. Swallow models (Tokyo Tech) and ELYZA (Matsuo Lab) are the closest open-weights alternatives; the best choice depends on your specific task, GPU budget, and licence requirements.

About this listing

Researched on
Published on
Last reviewed

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

Data accuracy

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