Arcee AI: Trinity Large Thinking API Pricing
Arcee AI: Trinity Large Thinking costs $0.250 per 1M input tokens and $0.800 per 1M output tokens (cache reads: $0.060). Context window: 262K. Prices verified 2026-10-21 · source
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92% cheaper with nearly identical quality (20.1 vs 10.8)
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Token economics
| Token type | Price | vs base input |
|---|---|---|
| Standard input | $0.250 | — |
| Cache read | $0.060 | −76% |
| Output | $0.800 | — |
Prompt caching stores repeated context server-side: reads cost far less, but writes carry a one-time premium.
Higher effort = deeper thinking = more reasoning tokens billed as output.
What would Arcee AI: Trinity Large Thinking cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $5.20 |
| Coding agent | 5,000 | 8,000 / 2,000 | $18.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $42.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $11.60 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Arcee AI: Trinity Large Thinking
Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. It shows strong performance in PinchBench, agentic workloads, and reasoning tasks. Launch video: https://youtu.be/Gc82AXLa0Rg?si=4RLn6WBz33qT--B7...
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Frequently asked questions
How much does Arcee AI: Trinity Large Thinking cost?
Arcee AI: Trinity Large Thinking costs $0.250 per 1M input tokens and $0.800 per 1M output tokens; cached input tokens cost $0.060 per 1M. Verified 2026-10-21 — provider source.
What is the context window?
262K tokens, with up to 80K output tokens per response. That's roughly 328 pages of text in a single request.
Does it support prompt caching?
Yes — cached input is $0.060/1M, about 76% cheaper than standard input. Agents and RAG workloads with repeated context benefit most.
What's a cheaper alternative?
ScaleDown: Summarize saves about 93% on a typical workload with comparable quality.
Official resources
- Arcee AI: Trinity Large Thinking on OpenRouter — live endpoint, pricing source of record.
- Artificial Analysis leaderboard → — independent intelligence and performance rankings.
- Shred your current bill — paste a CSV and see if switching saves money.