Ultramarine 1 FlashPaper Instruments
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Related Products
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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.
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About
Zerouter is a hosted AI API gateway for developers building applications and coding workflows with large language models. It provides one API key and a configurable base URL for sending requests to models from Anthropic (Claude), OpenAI (GPT), Google (Gemini), xAI (Grok), and Moonshot AI (Kimi). The gateway exposes OpenAI-compatible and Anthropic-compatible endpoints, allowing supported SDKs and clients such as Claude Code, Codex CLI, and Cursor to connect with a custom endpoint rather than managing separate provider connections. Users can select model IDs, view published per-token rates, and review request-level usage and charges. Zerouter uses pay-as-you-go billing based on input and output token use, with no subscription or monthly minimum. It is aimed at software developers and technical teams integrating hosted LLMs into apps, coding agents, and other API-based workflows.
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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
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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
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Audience
Developers and organizations building AI-enabled knowledge-work tools in finance, law, consulting, and operations.
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Audience
Developers, AI engineers, startups and teams using Claude Code, Codex CLI, Cursor or LLM APIs
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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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
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Pricing
$0.023/1M input tokens
Pay-as-you-go pricing varies by model and token type. The published rate table includes input pricing from $0.023 per million tokens and output pricing from $0.12 per million tokens. No subscription or monthly minimum is stated.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationPaper Instruments
Founded: 2025
United States
www.paperinstruments.com/ultramarine
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Company InformationZerouter
Founded: 2025
zerouter.ai
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Claude Code
Supported
OpenAI
Supported
Anthropic
Not Supported
Claude Agent SDK
Supported
Codex CLI
Not Supported
Cursor
Not Supported
Gemini
Not Supported
Grok
Not Supported
Kimi
Not Supported
OpenAI Agents SDK
Supported
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Integrations
Claude Code
Supported
OpenAI
Supported
Anthropic
Supported
Claude Agent SDK
Not Supported
Codex CLI
Supported
Cursor
Supported
Gemini
Supported
Grok
Supported
Kimi
Supported
OpenAI Agents SDK
Not Supported
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