Available API Models
This page lists all models accessible via the Schatzi AI REST API using API key authentication. All models are hosted on Swiss infrastructure, ensuring your data never leaves Switzerland.
To use a specific model, pass its exact display name as the model parameter in your API requests.
Model Overview
Loading prices...
Pricing is subject to change at our discretion.
Models by Category
Swiss LLM (AI Act Compliant)
-
Apertus Swiss LLM - Large Ideal for multilingual services, government agencies and R&D teams looking for a reliable, adaptable model ● Data and methods documented for unprecedented transparency ● Compliant with the AI Act and respectful of privacy and intellectual property ● A 70B version with performance on a par with current market leaders
- Capabilities: Chat, Multi-lingual, Swiss LLM
- Pricing: Input ... / Output ...
- Availability: Also available in Chat UI
-
Apertus Swiss LLM - Large (v1.5) Apertus v1.5. Ideal for multilingual services, government agencies and R&D teams looking for a reliable, adaptable model ● Data and methods documented for unprecedented transparency ● Compliant with the AI Act and respectful of privacy and intellectual property ● A 70B version with performance on a par with current market leaders
- Capabilities: Chat, Multi-lingual, Swiss LLM
- Pricing: Input ... / Output ...
- Availability: API exclusive
Reasoning & Problem-Solving
-
Chat & Document Analysis & Reasoning - Large large-scale model, rivalling leading models or leading models Opus across a broad range of complex tasks ● Advanced multilingual capabilities ● Reasoning mode can be enabled to dynamically tailor responses to the context and complexity of queries
- Capabilities: Document Analysis, Chat, Vision, Reasoning, Function Calling
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Fast Reasoning & Instruction Following - Small Optimized for Reasoning and instruction-following capabilities
- Capabilities: Thinking, Chat, Data Analysis, Function Calling
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Reasoning & Problem Solving - Small Optimized for thinking and reasoning
- Capabilities: Thinking, Chat, Reasoning, Function Calling
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Reasoning & Agent tasks - Large Optimized for powerful reasoning, agentic tasks, and versatile developer use cases
- Capabilities: Data Analysis, Chat, Thinking, Agent, Reasoning, Function Calling
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Reasoning & Problem Solving - Medium Optimized for thinking and reasoning
- Capabilities: Thinking, Chat, Reasoning, Function Calling
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Reasoning & Problem Solving - Xtra Large Optimized for Reasoning chat completions. Reasoning model
- Capabilities: Thinking, Chat
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Reasoning & Tool Use - Large (GLM-4.5 Air) ZhipuAI GLM-4.5-Air. Mixture-of-Experts model with 106B total / 12B active parameters. Hybrid reasoning with configurable thinking mode, strong tool/function calling and code generation capabilities. 128K context window.
- Capabilities: Thinking, Chat, Function Calling, Reasoning
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Chat, Document Analysis & Agent tasks - Xtra Large Very large-scale model, rivalling leading models or leading models Opus across a broad range of complex tasks ● Advanced multilingual capabilities ● Reasoning mode can be enabled to dynamically tailor responses to the context and complexity of queries ● Optimized for powerful reasoning, agentic tasks, and versatile developer use cases
- Capabilities: Chat, Document Analysis, Agent, Coding, Thinking, Web Search, Vision, Reasoning, Function Calling
- Pricing: Input ... / Output ...
- Availability: Also available in Chat UI
-
Chat, Document Analysis, Coding & Reasoning - Xtra Large Multi modal model, optimized for chat, document analysis, coding and reasoning.
- Capabilities: Chat, Document Analysis, Coding, Thinking, Data Analysis, Vision, Reasoning, Function Calling
- Pricing: Input ... / Output ...
- Availability: Also available in Chat UI
-
Chat, Vision, Document Analysis & Reasoning - Medium Best in class multi-modal model, optimized for chat, vision, document analysis, coding and reasoning.
- Capabilities: Chat, Vision, Document Analysis, Coding, Thinking, Reasoning, Function Calling
- Pricing: Input ... / Output ...
- Availability: Also available in Chat UI
-
Reasoning & Tool Use - Xtra Large (GLM-5.2) ZhipuAI GLM-5.2 Hybrid reasoning with configurable thinking mode, strong tool/function calling and code generation capabilities. Same pricing tier as GLM-5.1 on this provider; exact parameter count not published by the provider.
- Capabilities: Thinking, Chat, Function Calling, Reasoning
- Pricing: Input ... / Output ...
- Availability: Also available in Chat UI
Vision & Document Analysis
-
Document Analysis - Small Optimized for multilingual dialogue use cases
- Capabilities: Document Analysis, Chat, Vision, Function Calling
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Document Analysis - Xtra Small Optimized for compact and efficient vision-language model
- Capabilities: Document Analysis, Chat, Vision
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Llama 4 Maverick multi modal - Small Optimized for text and multimodal experiences
- Capabilities: Document Analysis, Chat, Vision, Function Calling
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
Document Analysis & OCR - Small (DeepSeek OCR) DeepSeek OCR. 3B parameter vision-language model specialized for optical character recognition and document understanding. Excels at converting documents to structured text/markdown, table extraction, and mathematical content recognition.
- Capabilities: Document Analysis, Vision
- Pricing: Input ... / Output ...
- Availability: API exclusive
-
inference-miner-u25 Vision-language model optimized for document analysis and parsing.
- Capabilities: Vision, Document Analysis
- Pricing: Input ... / Output ...
- Availability: API exclusive
Multilingual
- Chat, Multi-lingual, Coding & function calling - Small
Mistral
- Capabilities: Chat, Multi-lingual, Coding, Function Calling
- Pricing: Input ... / Output ...
- Availability: Also available in Chat UI
Chat & General Purpose
- Search, Chat & Analysis - Small
Optimized for web search and chat. Suitable for artists and content creation, including storytelling
- Capabilities: Web Search, Chat, Vision
- Pricing: Input ... / Output ...
- Availability: API exclusive
Quick Start
Interact with any model using a standard REST request. Example using Apertus Swiss LLM - Large:
curl https://backend.schatziai.ch/v1/chat/completions \
-H "Authorization: Bearer sk-your-api-key" \
-H "Content-Type: application/json" \
-d '{"model": "Apertus Swiss LLM - Large", "messages": [{"role": "user", "content": "Hello"}]}'
Listing Models Programmatically
GET /v1/models returns the models available to your account and authentication level. See API Endpoints for the full request/response format.
Decommissioned Models
These models are no longer available and are listed for historical reference.
- Chat & Document Analysis - Medium — decommissioned on 2026-06-01, replaced by Chat, Multi-lingual, Coding & function calling - Small
- Search, Chat & Analysis - Large — decommissioned on 2026-06-01, replaced by Chat, Document Analysis, Coding & Reasoning - Xtra Large
- Apertus Swiss LLM - Small — decommissioned on 2026-05-28, replaced by Apertus Swiss LLM - Large
- Document Analysis - Medium — decommissioned on 2026-05-28, replaced by Chat & Document Analysis & Reasoning - Large
- Llama 3.3 Multi-lingual - Medium — decommissioned on 2026-05-28, replaced by Llama 4 Maverick multi modal - Small
- Chat & Vision - Small (Gemma 3n) — decommissioned on 2026-06-01, replaced by Chat, Vision, Document Analysis, Coding & Reasoning - Medium (Gemma 4)
- Chat & Function Calling - Small (Granite 3.1) — decommissioned on 2026-06-01, replaced by Chat, Multi-lingual, Coding & function calling - Small
- Reasoning & Agentic - Large (GPT-OSS 120B) — decommissioned on 2026-05-11, replaced by Chat, Document Analysis, Coding & Reasoning - Xtra Large
- Embedding - Multilingual (BGE-M3) — decommissioned
- Embedding - Multilingual (Granite 278M) — decommissioned
- Chat & Document Analysis - Xtra Xtra Large — decommissioned on 2026-05-28
- inference-bge-reranker — decommissioned