Updated daily at 05:00 UTC
- Released
- 28 Apr 2026
- Status
- Current
- Context
- 262.1K
- Max output
- 32.8K
- Input per 1M tokens
- —
- Output per 1M tokens
- —
- Open weights
- Yes
- License
- apache-2.0
- Parameters
- 225.8B
- 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 | 42.6 | Not ranked | 1 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) | 1348 | Independent | — | 25 Sep 2026 | Arena |
| Code Arena: WebDev (arena.ai) | Votes | 5425 | Independent | — | 25 Sep 2026 | Arena |
Other Laguna versions
- Laguna S 2.121 Jul 2026
- Laguna XS 2.12 Jul 2026
- Laguna XS.223 Apr 2026