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Description

The Excession API grants hosted access to DeepSeek V4.1 Flash and its variant, DeepSeek V4.1 Flash Abliterated, utilizing endpoints that are compatible with OpenAI's Chat Completions, OpenAI Responses, and Anthropic Messages. Developers are empowered to incorporate these models into their applications by leveraging streaming capabilities and tool calls, and they can easily select models based on their API identifiers while monitoring usage and costs. Furthermore, the API features endpoints for model catalogs, API keys, account management, and balance inquiries, all subject to request rate limits and billing based on usage. This functionality is designed to assist developers in creating AI applications and agents, including those that require authorized security workflows with the abliterated model. Users have the flexibility to either add a pay-as-you-go balance or opt for a monthly subscription that includes API credits. Notably, both models come with a context limit of 1,048,576 tokens, and while token rates differ depending on the model, any unused credits from the monthly plan will expire upon renewal. Ultimately, the Excession API serves as a comprehensive resource for developers looking to enhance their projects with advanced AI capabilities.

Description

Ultramarine 1 Flash is a powerful hosted large language model that developers and organizations can access via an API, specifically tailored for enhancing AI-driven professional workflows. It caters to various knowledge work sectors including finance, law, consulting, and operations, facilitating tasks such as research, detailed analysis, and the preparation of documentation. Users can submit prompts to the application and receive either streamed or standard responses, while also utilizing reasoning controls, custom tool calls, and the option to request structured outputs. The API is capable of processing image inputs and is compatible with both OpenAI's chat-completion formats and Anthropic Messages, ensuring versatile integration. Developers can interface with the model through several SDKs, including those from OpenAI and Anthropic, as well as the Claude Agent SDK and Claude Code, and can effectively employ it alongside Paper Instruments' suite of tools for Word, PowerPoint, and Excel. Additionally, the billing structure is based on token usage against a prepaid balance, allowing for flexible financial management of resources. This model represents a significant step forward in the automation of high-level professional tasks, pushing the boundaries of what AI can accomplish in workplace settings.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Claude Code Yes 
OpenAI Yes 
Anthropic Yes 
Claude Agent SDK No 
OpenAI Agents SDK No 
OpenCode Yes 

Integrations

Claude Code Yes 
OpenAI Yes 
Anthropic No 
Claude Agent SDK Yes 
OpenAI Agents SDK Yes 
OpenCode No 

Pricing Details

$20/month
Starter costs $20/month and includes $30 in plan credit; Pro is $100/month for $175; Max is $200/month for $400; Ultra is $500/month for $1,250. Each plan covers one person, and unused plan credit expires at renewal. Pay-as-you-go top-ups range from $10 to $1,000; there is no subscription, and the balance does not expire while the account remains open. Per 1 million tokens, DeepSeek V4.1 Flash costs $0.035 for input, $0.005 for cached input, and $0.50 for output. Flash Abliterated costs $0.20 for input, $0.025 for cached input, and $0.80 for output. When all Ultra credit is used, effective rates per 1 million tokens are $0.014/$0.002/$0.20 for Flash and $0.08/$0.01/$0.32 for Flash Abliterated, for input/cached input/output, respectively.
Free Trial No 
Free Version No 

Pricing Details

$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 Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Excession Labs

Website

excessionlabs.ai/api

Vendor Details

Company Name

Paper Instruments

Founded

2025

Country

United States

Website

www.paperinstruments.com/ultramarine

Product Features

Product Features

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