EPITHRE. Developer platform

Indonesia's
AI Lab.

Epithre builds, hosts, and operates its own AI models and products end to end, on server hardware it owns in Jakarta.

Explore products Try IsonAI

Products built on one stack.

Consumer apps, specialist models, and a developer API. Each one runs on the same models and the same servers in Jakarta.

The AI assistant for Indonesia.

Chat, web search across Indonesian sources, vision, and image generation in one assistant. IsonAI is Epithre's flagship product and is free to start.

Open www.isonai.com
IsonAIOmni
Cara hitung PPh 21 untuk freelancer dengan penghasilan dari 2 perusahaan?

Penghasilan dari kedua perusahaan digabung dulu sebagai penghasilan bruto setahun. Setelah itu:

  1. Kurangi biaya jabatan dan PTKP sesuai status Anda.
  2. Hasilnya adalah penghasilan kena pajak.
  3. Terapkan tarif progresif Pasal 17, lalu kurangi PPh yang sudah dipotong.

Mau saya bantu hitung estimasi pajak tahunannya?

pajak.go.idperaturan.bpk.go.idortax.org
Tanya apa saja

The models we serve.

Every model runs on Epithre-operated GPUs in Jakarta, through the developer platform, inside our apps, or as a deployed vertical.

ModelWhat it doesWhere to use it
OmniMultimodal chat with vision and web search. The flagship general-purpose model.IsonAI, Platform
PRMELong-context reasoning for document workflows, coding, and large-corpus analysis.IsonAI, Platform, CLI
LYTA lightweight assistant for fast, everyday interactions.IsonAI, Platform
IrisImage generation with multi-reference editing.IsonAI, Platform
EmbedText and image embeddings for retrieval pipelines.Platform
RerankCross-encoder reranking for retrieval pipelines.Platform
SearchAn index of the Indonesian web that grounds answers in current, local sources.IsonAI, Slate
StrataA specialist model for Indonesian government and regulatory work.Deployed vertical

Pricing and signup are at platform.epithre.com. API references are at docs.epithre.com.

From hardware to user.

One owned stack in four layers, from the GPU servers in Jakarta to the apps people use every day.

Applications

IsonAI, Slate, Iris, and EPITHRE. CLI, built on the layers below.

Developer API

OpenAI-compatible HTTP at api.epithre.com. Chat, embeddings, rerank, retrieval, batch, and webhooks, billed in rupiah.

Inference runtime

In-house quantized model serving with retrieval, embedding, and Indonesian web-index pipelines.

Owned infrastructure

Physical GPU servers, storage, and networking in Jakarta. No third-party cloud in the production path.

RequestPOST /v1/chat/completions
curl https://api.epithre.com/v1/chat/completions \
  -H "Authorization: Bearer $EPITHRE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "omni",
    "messages": [
      {"role": "user",
       "content": "Hitung PPh 21 freelancer"}
    ]
  }'
Works with existing OpenAI SDKs. Change the base URL and key. Read the docs

An Indonesian AI company that owns its whole stack.

From the server hardware to the apps on top, every layer is built and operated in Indonesia.

Map of the Indonesian archipelago rendered in batik, with Jakarta marked

Epithre was founded in 2025 to build a fully integrated AI stack for the Indonesian market: owned server hardware, in-house model serving and retrieval systems, and the consumer and developer applications on top.

Engineering is done in-house, and customer data is processed only on Indonesian infrastructure operated by Epithre. The platform serves organizations in regulated sectors such as hospitality, the public sector, and healthcare, where local data residency is required.

Read more about Epithre
Founded
2025
Headquarters
Jakarta, Indonesia
Data residency
Indonesia only
API surface
OpenAI-compatible
Languages
Indonesian, English
Sectors
Hospitality, government, healthcare, software, research, creative

Work with Epithre.

For deployments, partnerships, and API questions, write to the team directly.

hello@epithre.com
API platform
platform.epithre.com
Documentation
docs.epithre.com
Service status
status.isonai.net
The name
What Epithre means