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Trinity Large Thinking

Tools
arcee-ai/trinity-large-thinking

262K context · Apr 2026 · 1 upstreams

Trinity Large Thinking is Arcee AI's open-weights reasoning model, a 398B sparse mixture-of-experts with about 13B active parameters per token. It is post-trained with extended chain-of-thought and agentic reinforcement learning, and is built for tool calling, multi-step planning and agent workflows. It writes its reasoning in think blocks before the answer.

Bring your own keyAnyRouter has no platform route for Trinity Large Thinking. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
262K
input / 1M (list)
$0.25
output / 1M (list)
$0.80
routes
1
speed, 24h
—

Upstreams

1
  1. 1OpenRouterYour key · not addedyour planTPS —TTFT ——
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Try it

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Details

Owner
Arcee AI
Kind
Chat
Released
Apr 2026
Context
262K
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "arcee-ai/trinity-large-thinking",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'