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Model

Trinity Large Preview

Arcee AI Trinity Large Preview — pricing, 131k context window, API cost calculator and alternatives.

By Arcee AI

🔧 Tools Function calling — the model can structure responses as tool calls with typed arguments. Reliability differs between providers. Glossary → {} JSON Forces output to be valid JSON, reducing parse errors. Some providers also let you constrain to a schema. Glossary →
Context window Maximum tokens (input + output) the model can process in a single request. Glossary →
131,000
tokens
Input price What the model charges for tokens you send (prompt + context). Glossary →
$0.1500
per 1M tokens
Output price What the model charges for tokens it generates. Usually 3–5× pricier than input. Glossary →
$0.4500
per 1M tokens

Specs

Provider
Arcee AI
Slug
arcee-ai/trinity-large-preview
Capabilities
tools, json_mode

Pricing freshness

Tier
standard
Currency
USD
As of
2026-05-08 17:08 UTC
Estimate monthly cost → See alternatives to Trinity Large Preview →

Pricing history

Tracking Trinity Large Preview pricing since 2026-05-08. We'll plot the chart here once it changes.

Quickstart — call Trinity Large Preview 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-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

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 Preview?

Trinity Large Preview is a large language model API from Arcee AI with a 131k-token context window. It costs $0.15 per 1M input tokens and $0.45 per 1M output tokens.

How much does Trinity Large Preview cost?

Trinity Large Preview is priced at $0.15 per 1M input tokens and $0.45 per 1M output tokens via the Arcee AI API. A 50/50 input/output workload of 1M total tokens costs about $0.3.

What is the context window of Trinity Large Preview?

Trinity Large Preview supports up to 131k tokens of context per request — roughly 262 pages of English text or 16375 lines of code at a typical density.

Does Trinity Large Preview support vision, tool use, or JSON mode?

Trinity Large Preview supports tool/function calling and structured JSON mode. It does not support image input (vision).

Who makes Trinity Large Preview?

Trinity Large Preview 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 Preview?

Trinity Large Preview is API-only — its weights are not publicly distributed by Arcee AI, so it cannot be self-hosted today.

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