Trinity Large Thinking

Open weights Active Text LLM MoE trinity-large-thinking

Reasoning release of Trinity Large, a 398B MoE with 13B active parameters tuned for agents.

Released
Apr 1, 2026
Context window
524K tokens
Max output
Not disclosed
Parameters
398B 13B active
Input price
Not disclosed
Output price
$0.90 per 1M

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

Launch priceApr 1, 2026
- in / $0.90 out
Current price since Apr 1, 2026
- in / $0.90 out

Specifications

Developer
Arcee AI
Model type
Text LLM
Architecture
MoE
Parameters
398B (13B active)
Input
Text
Output
Text
Knowledge cutoff
Not disclosed
License
Other (open)
API access
First-party API
Capabilities
Agentic Flagship Reasoning Tool use