# Source: https://huggingface.co/arcee-ai/Trinity-Large-Thinking
name = "Trinity Large Thinking"
description = "Reasoning-optimized 398B MoE agent model with extended thinking for long-horizon and multi-turn tool use"
family = "trinity"
release_date = "2026-04-01"
last_updated = "2026-05-28"
attachment = false
reasoning = true
temperature = true
tool_call = true
open_weights = true
license = "OpenMDW-1.1"

[limit]
context = 524_288
output = 262_144

[modalities]
input = ["text"]
output = ["text"]

[[weights]]
label = "Hugging Face"
url = "https://huggingface.co/arcee-ai/Trinity-Large-Thinking"
format = "safetensors"

[[links]]
label = "Model card"
url = "https://huggingface.co/arcee-ai/Trinity-Large-Thinking"
type = "model_card"

[[links]]
label = "Announcement"
url = "https://www.arcee.ai/blog/trinity-large-thinking"
type = "announcement"

[[links]]
label = "License"
url = "https://huggingface.co/arcee-ai/Trinity-Large-Thinking/blob/main/LICENSE"
type = "license"