Ultramarine 1 Flash

Ultramarine 1 Flash

Paper Instruments
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About

OfoxAI is a unified, OpenAI-compatible API gateway that gives developers and teams instant access to 100+ large language models — GPT, Claude, Gemini, DeepSeek, and more — through a single endpoint and one API key. Stop juggling multiple provider accounts, SDKs, and invoices: integrate once, switch models freely, and scale from a solo prototype to a full production team. Key features: One API Key, 100+ Models — Always up-to-date with the latest models from OpenAI, Anthropic, Google, DeepSeek, and more. Three Native Protocols — Full OpenAI, Anthropic, and Gemini SDK compatibility. Zero code migration — just swap the base URL. Low-Latency Access — Global routing with under 300ms average latency. Zero Markup Pricing — Pay official provider rates, with no surcharges or hidden fees. Built for Teams — Shared billing dashboard, per-member usage tracking, and budget controls. Flexible Payments — Credit card, PayPal, and major regional payment methods supported.

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.

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

Audience

AI enthusiasts

Audience

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

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 Not Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

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

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:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5

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 Not 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

OfoxAI
Founded: 2026
Hong Kong
ofox.ai

Company Information

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

Alternatives

Alternatives

Categories

AI Gateways Supported

Categories

AI Models Supported

Integrations

OpenAI Supported
ChatGPT Images 2.5 Supported
Claude Code Not Supported
Claude Fable 5.1 Supported
Claude Fable 5.5 Supported
Claude Haiku 5.5 Supported
Claude Mythos 5.1 Supported
Claude Opus 4.8 Supported
Claude Opus 5 Supported
GPT-5.5 Supported
Gemini 3.5 Flash Supported
Gemini 3.5 Flash Cyber Supported
Gemini 3.5 Flash-Lite Supported
Gemini 3.6 Flash Supported
Gemini 3.8 Flash Cyber Supported
Gemini 4 Argon Supported
MiniMax Supported
OpenAI Agents SDK Not Supported
Qwen 4 Supported
Qwen3.8-Omni-Flash Supported

Integrations

OpenAI Supported
ChatGPT Images 2.5 Not Supported
Claude Code Supported
Claude Fable 5.1 Not Supported
Claude Fable 5.5 Not Supported
Claude Haiku 5.5 Not Supported
Claude Mythos 5.1 Not Supported
Claude Opus 4.8 Not Supported
Claude Opus 5 Not Supported
GPT-5.5 Not Supported
Gemini 3.5 Flash Not Supported
Gemini 3.5 Flash Cyber Not Supported
Gemini 3.5 Flash-Lite Not Supported
Gemini 3.6 Flash Not Supported
Gemini 3.8 Flash Cyber Not Supported
Gemini 4 Argon Not Supported
MiniMax Not Supported
OpenAI Agents SDK Supported
Qwen 4 Not Supported
Qwen3.8-Omni-Flash Not Supported
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