Arcee AI: Trinity Large Thinking
Arcee AI's Trinity Large Thinking model is designed for handling extensive text inputs with a context length of 262,144 tokens and supports reasoning and tools integration. It can process text efficiently, making it suitable for complex tasks that require deep understanding and interaction. For those on a budget looking for a reliable yet cost-effective solution, Trinity Large Thinking stands out with its blended benchmark score of 39.8 across one independent test; while it does not offer structured output or open weights, the model’s price point at $0.22 per million input tokens and $0.85 per million output tokens makes it a competitive choice in terms of value.
Benchmark results
Independent, published benchmarks. Blended score 25.3 across 3 benchmarks, last refreshed 2026-07-27. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 30.0 |
| AI Index Coding | software engineering tasks | 42.5 |
| AI Index Agentic | multi-step tool-using tasks | 6.0 |
- Model ID
- arcee-ai/trinity-large-thinking
- Vendor
- arcee-ai
- Released
- April 2026
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 262,144 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.22/M input and $0.85/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.15 |
| A month of a busy support chatbot | 5M in / 2M out | $2.80 |
Price & spec history
Tracked daily by PicksByModel since 2026-07-17.
| Date | Input /M | Output /M | Context |
|---|---|---|---|
| 2026-07-26 | $0.22 | $0.85 | 262,144 |
| 2026-07-17 | $0.25 | $0.80 | 262,144 |
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Quick answers
- How much does Arcee AI: Trinity Large Thinking cost?
- $0.22 per million input tokens and $0.85 per million output tokens.
- What is Arcee AI: Trinity Large Thinking's context window?
- 262,144 tokens, roughly 393 pages of text in a single request.
- Does Arcee AI: Trinity Large Thinking support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Arcee AI: Trinity Large Thinking process images?
- No, it is text-only on the input side.