Arcee AI: Trinity Large Thinking
Trinity Large Thinking is a reasoning model from Arcee AI released on Apr 1, 2026. It reads text and writes text, with a 262K token context window and up to 80K tokens per reply.
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It costs $0.25 per million input tokens and $0.80 per million output tokens. Cached input bills at $0.06, 76% less than fresh input.
It supports tool calling and prompt caching, and its weights are open, so you can host it yourself.
5 providers serve it, including Vercel AI Gateway, Arcee and DigitalOcean.
- Modalities
- In / out price
- $0.25 / $0.80 per 1M
- Context
- 262K
- Max output
- 80K
- Released
- Apr 1, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Trinity Large Thinking pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.25 / 1M tokens | |
|---|---|---|
| Output | $0.80 / 1M tokens | |
| Cached input (read) | $0.06 / 1M tokens | 76% off input |
Trinity Large Thinking providers
5 providers serve it, including Vercel AI Gateway, Arcee and DigitalOcean. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Vercel AI Gateway | $0.25 | $0.80 | – | 262K | 80K |
| Arcee | $0.25 | $0.80 | $0.06 | 262K | 262K |
| DigitalOcean | $0.25 | $0.90 | $0.06 | 128K | 32K |
| Kilo Gateway | $0.25 | $0.80 | $0.06 | 262K | 80K |
| NanoGPT | $0.25 | $0.90 | $0.125 | 262K | 80K |
What Trinity Large Thinking costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Trinity Large Thinking through an OpenAI compatible API.
- Tools
tools - Reasoning
reasoning - Temperature
temperature
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Trinity Large Thinking questions
How much does the Trinity Large Thinking API cost?
$0.25 per million input tokens and $0.80 per million output tokens, with cached input at $0.06. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Trinity Large Thinking?
262,144 tokens of input, and it can write up to 80,000 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Trinity Large Thinking?
5 providers serve it, including Vercel AI Gateway, Arcee and DigitalOcean. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Trinity Large Thinking support tool calling?
Yes. It accepts tool definitions, which is what an agent needs to call your APIs.
Is Trinity Large Thinking open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was Trinity Large Thinking released?
Apr 1, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.