Assistant List
This document explains the assistant features of AI-Starter. Assistants help users create content tailored to their needs by combining various generative AI models and options.
Supported Models
AI-Starter supports a variety of generative AI models, with available models varying by environment.
Model Characteristics
The following is based on evaluations within the development team, with each model having different strengths and characteristics.
- Nova series: Models available at a low price.
- Claude series: Models with high text comprehension and stable performance.
- Gemini series: Models with excellent cost-performance and information processing capabilities.
- OpenAI series: Highly versatile models incorporating cutting-edge technology.
List of Supported Models
Text Generation
- AWS
- Claude (jp, global, us, asia cross-region inference support)
- Claude Haiku 4.5
- Claude Sonnet 4.5
- Claude Sonnet 4.5 Thinking
- Claude Opus 4.5
- Nova (us, asia cross-region inference support)
- Nova Micro
- Nova Pro
- Nova Premier
- Nova 2 Lite
- Claude (jp, global, us, asia cross-region inference support)
- Azure
- Azure AI Foundry
- Model Router
- GPT-5.2
- GPT-5.2 Thinking
- Grok 3 (Trial Offering)
- Azure OpenAI (Support will be discontinued soon)
- GPT-5 Mini
- GPT-5 Nano
- GPT-5 Chat
- GPT-4.1
- Azure AI Foundry
- Google
- Gemini 2.5 Flash-Lite
- Gemini 2.5 Flash
- Gemini 2.5 Pro
- Gemini 2.5 Flash-Lite Latest
- Gemini 2.5 Flash Latest
- Gemini 2.5 Flash Image Preview (Nano Banana) (Text + Image Generation)
- Gemini 3 Pro Preview
- Gemini 3 Flash Preview
- OpenAI
- GPT-5.2
- GPT-5.2 Thinking
- GPT-5.2 Chat
- GPT-5.2 Code Interpreter (Code execution and file analysis)
- GPT-5.2 Codex (Coding-optimized model)
- GPT-5 Search API (Web search functionality built-in model)
Image Generation
- AWS
- Nova Canvas
- Azure
- Azure AI Foundry
- GPT Image 1 Mini
- GPT Image 1.5
- Google
- Imagen 4
- Imagen 4 Ultra
- OpenAI
- GPT Image 1 Mini
- GPT Image 1.5
Notes
- Some models support video input, but this is currently not supported in AI-Starter.
- Preview and experimental models may be discontinued without notice at the provider's discretion. Please be aware of this in advance.
Related Information
- AWS
- Azure
- OpenAI
Recommended Models
| Content | Recommended Model |
|---|---|
| General Q&A | Claude Sonnet 4.5 |
| Advanced Q&A | Claude Opus 4.5 |
| Creative Writing | Claude Sonnet 4.5 |
| Coding | Claude Opus 4.5 / GPT-5.2 Codex |
| Business Document Creation Support | Claude Haiku 4.5 |
| Translation Support | Claude Haiku 4.5 |
| Long Text Comprehension | Gemini 2.5 Flash |
| Image-related Questions | Gemini 3 Flash Preview |
| Text File-related Questions | Gemini 3 Flash Preview |
| PDF File-related Questions | Gemini 3 Flash Preview |
| Spreadsheet File-related Questions | Claude Opus 4.5 |
| Image Generation | Gemini 2.5 Flash Image Preview (Nano Banana) / GPT Image 1 Mini |
| Web Search | GPT5.2 Thinking / GPT-5 Search API |
| Just Want to Try Something | Nova 2 Lite |
Options
AI-Starter assistants can combine generative AI models with various options. By utilizing options, more advanced content creation becomes possible. For setting methods, please contact the support desk through your internal administrator.
RAG-related
Options for generating answers based on custom data.
| Option Name | Description |
|---|---|
| KendraRetrieval | A RAG option using Amazon Kendra. It can be flexibly used with any model. |
| BedrockKnowledgeBasesRetrieval | A RAG option using Amazon Bedrock Knowledge Bases. It can be flexibly used with any model. |
| BedrockKnowledgeBasesRetrieveAndGenerate | A RAG option using Amazon Bedrock Knowledge Bases. Models are limited, but it's a simple RAG option that can perform everything from search to generation consistently. |
The selection criteria for options are as follows:
- Basically, use BedrockKnowledgeBasesRetrieval.
- For keyword search emphasis, use KendraRetrieval.
- For easy construction, use BedrockKnowledgeBasesRetrieveAndGenerate.
Agent-related
Options for building agents.
| Option Name | Description |
|---|---|
| OpenAIResponsesAPI | An option that can build agents utilizing OpenAI's built-in tools. |
| BedrockAgentCoreRuntime | An option that can build agents using AgentCore Runtime. |
OpenAI Responses API Option
An option that can build agents utilizing OpenAI's built-in tools.
AI-Starter supports the following tools. More tools are planned to be supported in the future.
- File search: File search
- Web search: Web search
BedrockAgentCoreRuntime Option
An option that can build agents using AgentCore Runtime.
AgentCore Runtime is a serverless environment for hosting agents. This is an option for executing AgentCore Runtime from AI-Starter. This option is in beta.
Web Search-related
Web search-related options.
When OpenAI is available, regardless of options, you can use web search functionality with the following models. For information handling, refer to OpenAI's Web Search Functionality.
- GPT-5 Search API: GPT-5 model with built-in web search functionality (recommended)
- OpenAIResponsesAPI option: Agent using web search tools
- GPT-5.2 / GPT-5.2 Thinking, etc.
When Gemini is available, regardless of options, you can use web search functionality with the following models. For information handling, refer to Gemini's Web Search Functionality.
- Gemini 2.5 Flash-Lite
- Gemini 2.5 Flash
- Gemini 2.5 Pro
- Gemini 3 Flash Preview
- Gemini 3 Pro Preview
- Gemini Flash-Lite Latest
- Gemini Flash Latest
When Nova is available, regardless of options, you can use web search functionality with the following models. Currently, only the US region is supported. For information handling, refer to Nova's Web Search Functionality.
- Nova 2 Lite
File Input-related
File input-related options.
| Option Name | Description |
|---|---|
| StorageFiles | An option to use files uploaded locally as input. |
StorageFiles Option
You can use files uploaded locally as input for the assistant. For example, you can upload a PDF file and ask questions about its contents. You can choose which settings to enable for each assistant.
For details, refer to Attachment File Support Status.
Additional Information
Generative AI Model Comparison
The following external sites are useful for comparing generative AI models. However, as information is updated regularly, always check for the latest information and reliability.