Trinity Mini
Arcee AIReleased Dec 1, 2025
Trinity Mini is a 26B-parameter (3B active) sparse mixture-of-experts language model featuring 128 experts with 8 active per token. Engineered for efficient reasoning over long contexts (131k) with robust function...
- Context window
- 131K tokens
- Max output
- 131K tokens
- Input
- text
- Output
- text
- Tokenizer
- Other
- Released
- Dec 1, 2025
- Reasoning
- always on
Pricing
Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.
| Per 1M tokens | Provider | + 3% fee | You pay |
|---|---|---|---|
| Input | $0.045 | $0.0013 | $0.046 |
| Output | $0.150 | $0.0045 | $0.154 |
Supported parameters
- include_reasoning
- logprobs
- max_completion_tokens
- max_tokens
- reasoning
- response_format
- stop
- structured_outputs
- temperature
- tool_choice
- tools
- top_k
- top_logprobs
- top_p
Call it
OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model arcee-ai/trinity-mini.
curl https://api.openkey.ai/v1/chat/completions \
-H "Authorization: Bearer $OPENKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "arcee-ai/trinity-mini",
"messages": [{"role": "user", "content": "Hello"}]
}'import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.openkey.ai/v1",
api_key=os.environ["OPENKEY_API_KEY"],
)
completion = client.chat.completions.create(
model="arcee-ai/trinity-mini",
messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.openkey.ai/v1",
apiKey: process.env.OPENKEY_API_KEY,
});
const completion = await client.chat.completions.create({
model: "arcee-ai/trinity-mini",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);Questions
- How much does Trinity Mini cost via API?
- Through OpenKey, Trinity Mini costs $0.046 per 1M input tokens and $0.154 per 1M output tokens. That is the provider price ($0.045 / $0.150) plus a flat 3% fee — nothing else.
- What is Trinity Mini's context window?
- Trinity Mini accepts up to 131K tokens of context and returns up to 131K tokens per request.
- Is Trinity Mini OpenAI-compatible?
- Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "arcee-ai/trinity-mini" using any OpenAI SDK — only the base URL and API key change.
- What inputs does Trinity Mini support?
- Trinity Mini accepts text input and produces text output.
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