Model Catalog

Approved foundation models available to OneMain teams across OpenAI, AWS Bedrock, and Google Gemini.

7 models

GPT-5.5

OpenAI

Approved GA
OpenAI

OpenAI's newest frontier reasoning model for the most complex coding and professional work, with text and image input and configurable reasoning effort.

Text Image Multimodal Code
Enterprise 1M context

GPT-5.5 pro

OpenAI

Approved GA
OpenAI

Highest-compute variant of GPT-5.5 that thinks harder to deliver consistently better answers on the hardest professional tasks.

Text Image Multimodal Code
Enterprise 1M context

Claude Opus 4.8

Anthropic

Approved GA
Bedrock Anthropic Vertex

Anthropic's most capable model for complex reasoning, long-horizon agentic coding, and high-autonomy work, available on Bedrock.

Text Image Code Multimodal
Enterprise 1M context

Claude Sonnet 4.6

Anthropic

Approved GA
Bedrock Anthropic Vertex

Anthropic's balanced model offering the best combination of speed and intelligence with extended and adaptive thinking.

Text Image Code Multimodal
Premium 1M context
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Amazon Nova Pro

Amazon

Approved GA
Bedrock

Amazon's balanced multimodal model offering strong accuracy, speed, and cost across text, image, and video inputs.

Text Image Video Multimodal
Premium 300K context

Gemini 3.1 Pro

Google

Under review Preview
Gemini

Google's most advanced reasoning model for complex problem-solving, deep reasoning, and frontier coding tasks.

Text Image Audio Video Code Multimodal
Enterprise 1M context

Gemini 3.5 Flash

Google

Approved GA
Gemini

Most intelligent flash-class model for sustained frontier performance at high volume.

Text Image Audio Video Code Multimodal
Premium 1M context

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