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Arcee AI: Trinity Large Thinking

Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. $0.22 per million input tokens, $0.85 per million output tokens. 262,144 token context window, maximum output of 262,144 tokens. Higher uptime with 2 providers. Includes independent benchmarks from Artificial Analysis.

View source on OpenRouter Hugging Face
Overview

Model specifications

Context
262,144 tokens
Maximum output
80,000 tokens
Architecture
text->text
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$0.22
/M tokens
Output
$0.85
/M tokens
Cache read
$0.06
/M tokens
API

Model configuration

Default parameters

temperature
0.3
top_p
0.8

Reasoning

Moderated
Yes
Default parameters
No
API

Quick start

Call this exact model ID through OpenRouter’s OpenAI-compatible API.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"arcee-ai/trinity-large-thinking","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

Input
text
Output
text
Reasoning

No

API

Supported API parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokenspresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Available providers

2 providers

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Parasail

fp4
Context
262K
Maximum output
236K
Input
$0.220
Output
$0.850
Cache read
$0.060
Cache write
Not provided

Arcee AI

unknown
Context
262K
Maximum output
80K
Input
$0.250
Output
$0.800
Cache read
$0.060
Cache write
Not provided