MODEL PROOF
Trinity Large Thinking
BETTER VALUE OPTION
A stored alternative has an equal-or-higher measured score and an equal-or-lower price.
GLM 5.3 Flash · Δ score 129.6 points · 39% lower measured price · $0.238 / 1M tokens
Gemma 4 31B is a further stored option with these losses: 80K → 16K max output
- Independent LMArena score
- 1,340 ± 4.64 · 30,265 votes
- Context window
- 262.14K
- Maximum output
- 80K
- Input modalities
- text
- Output modalities
- text
- Published input price
- $0.250 / 1M tokens
- Published output price
- $0.800 / 1M tokens
- Pricing kind
- fixed
Inspect complete billing conditions and endpoint terms below.
Price from Arcee AI: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate.
Every price dimension · USD per million tokens
| Input | $0.250/M |
|---|---|
| Output | $0.800/M |
| Cached input | $0.060/M |
| Cache write | Unknown/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
Who sells it
The same weights, different shops. Cheapest is not like-for-like when serving precision differs.
1 provider offers · rates, limits and conditions
Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Arcee AIarcee-ai Endpoint terms
| $0.250 | $0.800 | undeclared | 99.88% |
Independent scores
| LMArena Elo | 1340default |
|---|
LMArena Elo under CC BY 4.0. Absence of another board is not a score of zero.
Best rankings by task
- ASCII art #66 1052
- SVG #81 1015
- 3D #85 1089
- Websites #86 1144
- Code categories #86 1121
- Data visualisation #91 1106
- Game development #92 1092
- UI components #98 1052
Per-task Elo and rank from Design Arena, via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.
Capability
| Context window | 262K |
|---|---|
| Max output | 80K |
| Input modes | text |
| Tool use | yes |
| Reasoning | always on |
| Open weights | Unknown |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | verified |
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...
Questions this page answers
What does Trinity Large Thinking cost?
$0.250/M in, $0.800/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does Trinity Large Thinking have an independent quality score?
Trinity Large Thinking has an LMArena score in this catalogue.
What beats Trinity Large Thinking?
GLM 5.3 Flash has an equal-or-higher measured score and an equal-or-lower price.
Does this page use Artificial Analysis scores for Trinity Large Thinking?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
MODEL MONUMENT
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The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.
[](https://undominated.ai/models/arcee-ai__trinity-large-thinking/)<a href="https://undominated.ai/models/arcee-ai__trinity-large-thinking/"><img src="https://undominated.ai/badge/arcee-ai__trinity-large-thinking.svg" alt="Trinity Large Thinking — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/arcee-ai__trinity-large-thinking.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
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