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 | Claude Sonnet 4 | Hybrid model balancing speed and deep multi-step reasoning |
gloo-anthropic-claude-sonnet-4.5 | Claude Sonnet 4.5 | Powerful reasoning model blending speed, depth, and creativity |
gloo-anthropic-claude-sonnet-4.6 | Claude Sonnet 4.6 | Latest-generation reasoning model with enhanced speed and depth |
gloo-anthropic-claude-opus-4.5 | Claude Opus 4.5 | Top-tier intelligence for complex reasoning and analysis |
gloo-anthropic-claude-opus-4.6 | Claude Opus 4.6 | Most intelligent model for complex reasoning and nuanced tasks |
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-4.1-mini | GPT-4.1 Mini | Cost-efficient model with strong instruction following and long context |
gloo-openai-gpt-4.1 | GPT-4.1 | High-capability model with excellent coding and long-context reasoning |
gloo-openai-gpt-5.2 | GPT-5.2 | Flagship model with leading reasoning and versatility |
gloo-openai-gpt-5.4 | GPT-5.4 | Latest-generation flagship with enhanced reasoning and coding |
gloo-openai-gpt-5.2-pro | GPT-5.2 Pro | Premium high-capability model optimized for expert reasoning and accuracy |
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-meta-llama-4-maverick | Meta Llama 4 Maverick | Multimodal mixture-of-experts model with strong reasoning |
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-deepseek-r1 | DeepSeek R1 | Reinforcement learning model with chain-of-thought reasoning |
gloo-openai-gpt-oss-120b | GPT OSS 120B | Large open-source model with near frontier-level reasoning |
