Trinity Large Thinking
Arcee AI Trinity Large Thinking — pricing, 262k context window, API cost calculator and alternatives.
By Arcee AI
Specs
- Provider
- Arcee AI
- Slug
- arcee-ai/trinity-large-thinking
- Capabilities
- tools, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Trinity Large Thinking pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Trinity Large Thinking from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "arcee-ai/trinity-large-thinking",
"messages": [{"role": "user", "content": "Hello!"}]
}'
Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="arcee-ai/trinity-large-thinking",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)
Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "arcee-ai/trinity-large-thinking",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);
Official docs: https://openrouter.ai/docs
Related models
Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.
Frequently asked questions
What is Trinity Large Thinking?
Trinity Large Thinking is a large language model API from Arcee AI with a 262k-token context window. It costs $0.22 per 1M input tokens and $0.85 per 1M output tokens.
How much does Trinity Large Thinking cost?
Trinity Large Thinking is priced at $0.22 per 1M input tokens and $0.85 per 1M output tokens via the Arcee AI API. A 50/50 input/output workload of 1M total tokens costs about $0.535.
What is the context window of Trinity Large Thinking?
Trinity Large Thinking supports up to 262k tokens of context per request — roughly 524 pages of English text or 32768 lines of code at a typical density.
Does Trinity Large Thinking support vision, tool use, or JSON mode?
Trinity Large Thinking supports tool/function calling and structured JSON mode. It does not support image input (vision).
Who makes Trinity Large Thinking?
Trinity Large Thinking is built and operated by Arcee AI. Pricing, context window, and capabilities on this page are refreshed nightly from Arcee AI's public catalog.
Can I self-host Trinity Large Thinking?
Trinity Large Thinking is API-only — its weights are not publicly distributed by Arcee AI, so it cannot be self-hosted today.