Updated daily at 05:00 UTC
- Released
- 1 Apr 2026
- Status
- Current
- Context
- 262.1K
- Max output
- —
- Input per 1M tokens
- $0.25
- Output per 1M tokens
- $0.80
- Open weights
- Yes
- License
- —
- Parameters
- 398.6B
- Knowledge cutoff
- —
- Reasoning
- Yes
- Modalities
- text → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
| Category | Score | Rank | Coverage |
|---|---|---|---|
| Human preference | 36.8 | Not ranked | 2 of 5 |
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Surface Evolver Bench | Mean score (partial credit) | 15.6% | Third party | — | — | https://yhenon.github.io/surface-evolver-llm-eval/ via Epoch AI |
Human preference
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Code Arena: WebDev (arena.ai) | Arena score (Elo scale) | 1238 | Independent | thinking | 25 Sep 2026 | Arena |
| Code Arena: WebDev (arena.ai) | Votes | 1362 | Independent | thinking | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Arena score (Elo scale) | 1368 | Independent | thinking | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Votes | 30277 | Independent | thinking | 25 Sep 2026 | Arena |
Other Trinity versions
- Trinity Large (Preview)27 Jan 2026
- Trinity Mini1 Dec 2025
- Trinity Nano (Preview)1 Dec 2025