Trinity-Large-Preview is a frontier-scale open-weight language model from Arcee, built as a 400B-parameter sparse Mixture-of-Experts with 13B active parameters per token using 4-of-256 expert routing. It excels in creative writing, storyt…
Model details →Arcee AI: Trinity Large Preview (free) vs DeepSeek: DeepSeek V3.1 Terminus (exacto)
Arcee AI: Trinity Large Preview (free) and DeepSeek: DeepSeek V3.1 Terminus (exacto) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further …
Model details →Side-by-side comparison
| Capability | Arcee AI: Trinity Large Preview (free) | DeepSeek: DeepSeek V3.1 Terminus (exacto) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 164K | 🏆 DeepSeek: DeepSeek V3.1 Terminus (exacto) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.00 | $0.21 | 🏆 Arcee AI: Trinity Large Preview (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.00 | $0.79 | 🏆 Arcee AI: Trinity Large Preview (free) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 DeepSeek: DeepSeek V3.1 Terminus (exacto) |
Frequently asked questions
Is Arcee AI: Trinity Large Preview (free) better than DeepSeek: DeepSeek V3.1 Terminus (exacto)?
Arcee AI: Trinity Large Preview (free) and DeepSeek: DeepSeek V3.1 Terminus (exacto) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Arcee AI: Trinity Large Preview (free) and DeepSeek: DeepSeek V3.1 Terminus (exacto)?
Input: $0.00 vs $0.21 per 1M tokens. Output: $0.00 vs $0.79 per 1M tokens.
What context windows do Arcee AI: Trinity Large Preview (free) and DeepSeek: DeepSeek V3.1 Terminus (exacto) support?
Arcee AI: Trinity Large Preview (free) supports up to 131K tokens. DeepSeek: DeepSeek V3.1 Terminus (exacto) supports up to 164K tokens.
Do both Arcee AI: Trinity Large Preview (free) and DeepSeek: DeepSeek V3.1 Terminus (exacto) support tool calling?
Arcee AI: Trinity Large Preview (free): yes. DeepSeek: DeepSeek V3.1 Terminus (exacto): yes.