Model Catalog

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

28 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

GPT-5.4

OpenAI

Approved GA
OpenAI

Affordable frontier reasoning model for complex coding and professional tasks with text and image input.

Text Image Multimodal Code
Premium 1M context

GPT-5.4 mini

OpenAI

Approved GA
OpenAI

OpenAI's strongest mini model for coding, computer use, and subagents at lower cost.

Text Image Multimodal Code
Standard 400K context

GPT-5.4 pro

OpenAI

Approved GA
OpenAI

Higher-compute variant of GPT-5.4 for more reliable answers on demanding 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

Claude Haiku 4.5

Anthropic

Approved GA
Bedrock Anthropic

Anthropic's fastest model with near-frontier intelligence and extended thinking support.

Text Image Code Multimodal
Standard 200K context

Claude Opus 4.5

Anthropic

Approved GA
Bedrock

Opus 4.5 reasoning model with extended thinking, still available on Bedrock.

Text Image Code Multimodal
Enterprise 200K context

Claude Sonnet 4.5

Anthropic

Approved GA
Bedrock

Balanced Sonnet 4.5 model with extended thinking, available on Bedrock.

Text Image Code Multimodal
Premium 200K context

Claude 3.5 Haiku

Anthropic

Approved GA
Bedrock

Fast, cost-efficient Claude 3.5 generation model still listed as available on Bedrock.

Text Code
Standard 200K context

Claude Opus 4.1

Anthropic

Denied Deprecated
Bedrock

Claude Opus 4.1, deprecated by Anthropic and scheduled for retirement on August 5, 2026.

Text Image Code Multimodal
Enterprise 200K context

Llama 3.3 70B Instruct

Meta

Approved GA
Bedrock

Meta's 70-billion-parameter model with improved efficiency, delivering strong reasoning and coding with a 128K context window.

Text Code
Premium 128K context

Llama 3.1 405B Instruct

Meta

Approved GA
Bedrock

Meta's largest open model with 405 billion parameters and a 128K context window, supporting tool use and multilingual tasks.

Text Code
Enterprise 128K context

Llama 3.1 70B Instruct

Meta

Approved GA
Bedrock

Meta's 70-billion-parameter model with a 128K context window and support for tool use and code generation.

Text Code
Premium 128K context

Llama 3.1 8B Instruct

Meta

Approved GA
Bedrock

Meta's compact 8-billion-parameter model with a 128K context window, suitable for edge deployment and fine-tuning.

Text Code
Standard 128K context

Mistral Large 3

Mistral

Approved GA
Bedrock

Mistral AI's 675-billion-parameter model with strong performance on coding, reasoning, and multilingual tasks.

Text Code
Enterprise N/A context

Mistral Large

Mistral

Approved GA
Bedrock

Mistral AI's flagship model with strong reasoning, multilingual support, and a 32K context window for complex enterprise tasks.

Text Code
Premium 32K context

Mixtral 8x7B Instruct

Mistral

Approved GA
Bedrock

Mistral AI's sparse mixture-of-experts model with 8 experts of 7B parameters each, delivering strong performance at fast inference speeds.

Text Code
Standard 32K context
C

Cohere Command R+

Cohere

Approved GA
Bedrock

Cohere's model for complex RAG workflows, multi-step tool use, and enterprise tasks with a 128K context window.

Text Code
Premium 128K context
C

Cohere Command R

Cohere

Approved GA
Bedrock

Cohere's scalable LLM optimized for retrieval-augmented generation and tool use in enterprise applications with a 128K context window.

Text Code
Standard 128K context

OpenAI gpt-oss-120b

OpenAI

Approved GA
Bedrock OpenAI

OpenAI's open-weight 120-billion-parameter model available on Amazon Bedrock for reasoning and coding workloads.

Text Code
Premium N/A context

OpenAI gpt-oss-20b

OpenAI

Approved GA
Bedrock

OpenAI's open-weight 20-billion-parameter model available on Amazon Bedrock for lightweight reasoning and chat.

Text Code
Standard N/A 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

Gemini 3 Flash

Google

Under review Preview
Gemini

Frontier-class flash model delivering performance rivaling larger models at lower cost.

Text Image Audio Video Code Multimodal
Standard 1M context

Gemini 2.5 Pro

Google

Approved GA
Gemini

Advanced reasoning and coding model with deep thinking capabilities for complex tasks.

Text Image Audio Video Code Multimodal
Premium 1M context

Gemini 2.5 Flash

Google

Approved GA
Gemini

Best price-performance model for low-latency, high-volume tasks with thinking support.

Text Image Audio Video Code Multimodal
Standard 1M context

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