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Arcee AI is a U.S.-based open intelligence lab offering the open-weight Trinity model family and an Open Models API. Models run on-device, on-prem, or cloud, supporting long-horizon agents, scientific research, and customizable deployments.
Start here for the decision-making essentials: what Arcee AI does, who it is for, how it is accessed, and the first-party sources behind this profile.
deepseek/deepseek-v4-flash-latest
Read-only public captures of Arcee AI’s homepage. Screenshots are dated, never live embeds, and open full-screen.
Short answers to the questions buyers and builders commonly ask about Arcee AI. Each answer cites the shared ledger below, where every source is listed once.
Every model is open-weight so users can inspect, fine-tune, and go to production on their
Every model is open-weight, so you can inspect, fine-tune, and go to production on your terms.
Long-horizon agent workloads · Nac coordinates parallel agent workers and persistent state across long-running engineerin · GS1 is designed to operate inside governed scientific environments, use approved tools, wr
Expanding the Arcee open models API beyond Trinity to give developers choice across model families for demanding, long-horizon agent workloads.
deepseek/deepseek-v4-flash-latest | $0.14 input / $0.28 output per 1M tokens · trinity-large-thinking | $0.25 input / $0.80 output per 1M tokens · thinkingmachines/inkling-small | $0.50 input / $1.20 output per 1M tokens · zai-org/glm-5.2 | $1.40 input / $4.40 output per 1M tokens
| deepseek/deepseek-v4-flash-latest | $0.14 | $0.28 |
Arcee Open Models API available at platform.arcee.ai · Users can ship on Arcee's API or download models and run them themselves
Sign up at platform.arcee.ai.
Trinity-Large-Thinking can be accessed through the OpenRouter and chat.arcee.ai inference
we configure it to use trinity-large-thinking, which can be accessed from both openrouter and chat.arcee.ai.
Models run anywhere - on edge, on prem, or cloud · Trinity models can be self-hosted, post-trained, distilled, modified, and deployed commerc
run anywhere - on edge, on prem, or cloud
This profile connects the jobs Arcee AI is described as handling with its delivery model, access options and the subjects used to match it to related products in this directory.
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Arcee AI | Building Open Intelligence
Arcee AI, Inc. is the company that owns the site · Based in the U.S. as an open intelligence lab · Models are open-weight, transparent, customizable, and built to run anywhere (edge, on-pre
Arcee AI, Inc.
Open intelligence lab based in the U.S.
Open-weight, transparent, customizable models
Apache 2.0
Trinity (including Trinity Large Thinking, Trinity Mini, Trinity Nano)
400B parameters
Trinity Large Thinking - Frontier reasoning for the hardest problems
Trinity Nano - Ultra-lightweight and fast enough to run on-device
Arcee Open Models API available at platform.arcee.ai
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
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This profile is being checked for dated releases and material product changes. Nothing appears here until the exact date and event can be verified from a recorded source.
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These tools share a workflow, capability or audience with Arcee AI. They may complement it rather than replace it, and are not presented as integrations or endorsements.
Expanding Arcee Open Models API beyond Trinity includes DeepSeek-V4-Pro (Preview), DeepSeek-V4-Flash-Latest, GLM-5.2, Kimi-K3, and Inkling-Small from Thinking Machines
deepseek/deepseek-v4-flash-latest | $0.14 input / $0.28 output per 1M tokens
trinity-large-thinking | $0.25 input / $0.80 output per 1M tokens
thinkingmachines/inkling-small | $0.50 input / $1.20 output per 1M tokens
zai-org/glm-5.2 | $1.40 input / $4.40 output per 1M tokens
deepseek/deepseek-v4-pro | $1.74 input / $3.48 output per 1M tokens
moonshotai/kimi-k3 | $3.00 input / $15.00 output per 1M tokens
nac, internal agent harness for long-running tasks, open-sourced
Long-horizon agent workloads
support@arcee.ai
Arcee Open Models API Beta launched August 13, 2026
Arcee AI is a U.S.-based open intelligence lab
Arcee AI began in post-training, then moved upstream to pre-train its own models
Trinity family models are released under Apache-2.0
Models are open-weight, allowing inspection and fine-tuning
Models run anywhere - on edge, on prem, or cloud
Trinity is Arcee AI's first family of foundation models with consistent skills from on-device to cloud
Arcee AI optimizes for performance per parameter and releases weights under Apache-2.0
Users can ship on Arcee's API or download models and run them themselves
Every model is open-weight so users can inspect, fine-tune, and go to production on their own terms
Nac is an open-source agent harness released under Apache-2.0 for long-running agent work
Nac coordinates parallel agent workers and persistent state across long-running engineering tasks
Hugging Face is the home for everything Arcee builds
Trinity Builders Program announced April 14, 2026
Arcee AI is an open intelligence lab based in the U.S.
Arcee releases its models as open weights so teams can inspect, audit, fine-tune, and deploy them.
The Trinity model family is licensed under OpenMDW-1.1, a Linux Foundation permissive license built for open AI model distributions.
Trinity models can be self-hosted, post-trained, distilled, modified, and deployed commercially with no field-of-use restrictions or separate commercial license.
