The Gloo AI platform provides access to a wide range of leading models from various providers. Visit the Model Explorer in Gloo Studio to compare pricing, context windows, speed, and reasoning capabilities.
This page lists the Model IDs you’ll need for API requests to the Completions V2 endpoint.
All Completions V2 models support tool use and streaming.
Anthropic
| Model ID | Model Name | Description |
|---|
gloo-anthropic-claude-haiku-4.5 | Claude Haiku 4.5 | High-speed model with improved reasoning and concise outputs |
gloo-anthropic-claude-sonnet-4.5 | Claude Sonnet 4.5 | Powerful reasoning model blending speed, depth, and creativity |
gloo-anthropic-claude-opus-4.5 | Claude Opus 4.5 | Top-tier intelligence for complex reasoning and analysis |
Google
| Model ID | Model Name | Description |
|---|
gloo-google-gemini-2.5-flash-lite | Gemini 2.5 Flash Lite | Light, speed-optimized model for quick lookups and simple tasks |
gloo-google-gemini-2.5-flash | Gemini 2.5 Flash | High-throughput model for rapid responses and low-cost deployment |
gloo-google-gemini-2.5-pro | Gemini 2.5 Pro | Advanced multimodal model with strong reasoning |
gloo-google-gemini-3-pro-preview | Gemini 3 Pro Preview | Next-generation model offering strong reasoning and creativity |
OpenAI
| Model ID | Model Name | Description |
|---|
gloo-openai-gpt-5-nano | GPT-5 Nano | Small, responsive model offering reliable reasoning |
gloo-openai-gpt-5-mini | GPT-5 Mini | Balanced small model with strong reasoning at minimal cost |
gloo-openai-gpt-5-pro | GPT-5 Pro | Premium high-capability model for expert reasoning |
gloo-openai-gpt-5.2 | GPT-5.2 | Flagship model with leading reasoning and versatility |
Open Source
| Model ID | Model Name | Description |
|---|
gloo-meta-llama-3.1-8b-instruct | Llama 3.1 8B Instruct | Mid-size open model with robust reasoning for dialogue |
gloo-deepseek-chat-v3.1 | DeepSeek Chat V3.1 | High-efficiency model with strong reasoning and compute efficiency |
gloo-deepseek-v3.2 | DeepSeek V3.2 | Balanced efficiency with strong reasoning and agentic tool use |
gloo-openai-gpt-oss-120b | GPT OSS 120B | Large open-source model with near frontier-level reasoning |
