Ultramarine 1 Flash

Ultramarine 1 Flash

Paper Instruments
thatChat

thatChat

La Luce
+
+

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About

Ultramarine 1 Flash is a hosted large language model offered through an API for developers and organizations building AI-assisted professional workflows. It is designed for knowledge-work tasks across areas such as finance, law, consulting, and operations, including research, analysis, and preparation of document-based deliverables. Applications can send prompts and receive streamed or standard responses, use reasoning controls and custom tool calls, and request structured output. The API accepts image inputs and supports OpenAI-compatible chat-completion and Responses formats, as well as Anthropic Messages-compatible requests. Developers can connect through the OpenAI or Anthropic SDKs, Claude Agent SDK, or Claude Code, and can use the model with Paper Instruments' Word, PowerPoint, and Excel libraries. Usage is billed by tokens against a prepaid balance.

About

thatChat is a self-hosted AI chat and customer-support platform for websites and online stores. Businesses deploy it on compatible PHP hosting, a VPS, Docker, or their own server, then add a chat widget that answers visitor questions using website content, documents, and a knowledge base. Features include FAQ responses, lead capture, appointment requests, e-commerce product questions, conversation history, and handoff from AI to human operators. Teams can connect their own AI provider API keys, including OpenAI, Anthropic Claude, Google Gemini, Groq, and other OpenAI-compatible endpoints; provider routing and fallback are supported. WordPress and PrestaShop modules are available, along with a REST API and webhooks. Conversations and knowledge data remain on the customer’s infrastructure, while AI usage is billed separately by the selected provider. An operator mobile app supports managing and replying to conversations.

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

Audience

Developers and organizations building AI-enabled knowledge-work tools in finance, law, consulting, and operations.

Audience

E-shops, small and medium businesses, agencies and service providers that want an AI chat and customer support on their own hosting

Support

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

No images available

Pricing

$0.15/1M input tokens
Usage is prepaid and billed per token: input costs $0.15 per 1M tokens, cached input costs $0.03 per 1M tokens, and output, including reasoning, costs $0.50 per 1M tokens.
Free Version Not Supported
Free Trial Not Supported

Pricing

$18/month
Starter is €16/month or €160/year; Business is €41/month or €410/year. Enterprise pricing is by request. AI-provider usage is billed separately by the selected provider. Optional assisted setup is a one-time fee.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 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

  • It's so good at professional work that does not have one obvious “correct” answer. It is especially strong for things like research, financial analysis, diligence, writing, business operations, and turning messy information into a polished deliverable. The cost-performance ratio is probably the most impressive part. Paper Instruments reports an average cost of just $0.13 per task on its internal knowledge-work benchmark, while scoring 59.3 compared with 57.8 for Claude Fable 5 and 55.1 for GPT-5.6 Sol.

Cons

  • The main downside is that coding is not really its biggest strength. Its Terminal-Bench and DeepSWE scores are competitive, but models like GPT-5.6 Sol, Gemini 3.8 Flash, and DeepSeek V4.1 Flash still score higher on those coding-focused benchmarks.

Training

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

Training

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

Company Information

Paper Instruments
Founded: 2025
United States
www.paperinstruments.com/ultramarine

Company Information

La Luce
Founded: 2013
Czech Republic
www.thatchat.ai/en/

Alternatives

Alternatives

MOON Chat

MOON Chat

THE MOON Agency

Categories

AI Models Supported

Categories

AI Chatbots Supported

Integrations

OpenAI Supported
Claude Not Supported
Claude Agent SDK Supported
Claude Code Supported
Gemini Not Supported
Groq Not Supported
OpenAI Agents SDK Supported
PrestaShop Not Supported
WordPress Not Supported

Integrations

OpenAI Supported
Claude Supported
Claude Agent SDK Not Supported
Claude Code Not Supported
Gemini Supported
Groq Supported
OpenAI Agents SDK Not Supported
PrestaShop Supported
WordPress Supported
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