Ultramarine 1 Flash

Ultramarine 1 Flash

Paper Instruments
5.0 out of 5 stars
Outer Labs Ultramarine 1 Flash

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Outer Labs:

About

Outer Labs is a hosted API gateway for developers and software teams using Anthropic Claude and OpenAI models. Developers can direct existing code, Claude Code, Codex, and other OpenAI-compatible clients to its endpoint by changing the base URL and key. Requests pass through a shared gateway that bills usage per token from a prepaid balance and offers discounts of up to 40% compared with provider pricing. Its request-processing layer can prune stale tool output from long agent contexts while retaining the original information for retrieval, and it passes prompt caching through. New accounts receive $5 in free credit with no payment card required. The service supports existing model workflows with usage-based billing and no seats or contract. A fixed-price per-run or per-seat option is being piloted for companies selling AI products.
Ultramarine 1 Flash:

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.
Outer Labs:

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
Ultramarine 1 Flash:

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
Outer Labs:

Audience

Software teams and companies building on Claude or OpenAI models.
Ultramarine 1 Flash:

Audience

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

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Ultramarine 1 Flash:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported
Outer Labs:

API

Offers API Supported
Ultramarine 1 Flash:

API

Offers API Supported
Outer Labs:

Screenshots and Videos

No images available
Ultramarine 1 Flash:

Screenshots and Videos

Outer Labs:

Pricing

No information available.
Free Version Not Supported
Free Trial Supported
Ultramarine 1 Flash:

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
Outer Labs:

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
Ultramarine 1 Flash:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
Ultramarine 1 Flash:

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.
Outer Labs:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Ultramarine 1 Flash:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Outer Labs:

Company Information

Outer Labs
Founded: 2026
United States
outerlabs.ai
Ultramarine 1 Flash:

Company Information

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

Alternatives

No Alternatives
Ultramarine 1 Flash:

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Claude Haiku 5.5

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Outer Labs:

Categories

AI Gateways Supported
Ultramarine 1 Flash:

Categories

AI Models Supported
Outer Labs:

Integrations

Claude Code Supported
OpenAI Supported
Claude Supported
Claude Agent SDK Not Supported
Codex CLI Supported
OpenAI Agents SDK Not Supported
Ultramarine 1 Flash:

Integrations

Claude Code Supported
OpenAI Supported
Claude Not Supported
Claude Agent SDK Supported
Codex CLI Not Supported
OpenAI Agents SDK Supported
Outer Labs:
Claim Outer Labs and update features and information
Claim Outer Labs and update features and information
Ultramarine 1 Flash:
Claim Ultramarine 1 Flash and update features and information
Claim Ultramarine 1 Flash and update features and information