Updated daily at 05:00 UTC
- Released
- 12 Sep 2024
- Status
- Retired
- Retired
- 28 Jul 2025
- Context
- 128K
- Max output
- 32.8K
- Input per 1M tokens
- $15.00
- Output per 1M tokens
- $60.00
- Open weights
- No
- License
- proprietary
- Parameters
- —
- Knowledge cutoff
- Oct 2023
- 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 |
|---|---|---|---|
| Knowledge & reasoning | 30.0 | Not ranked | 1 of 4 |
| Human preference | 48.4 | Not ranked | 1 of 5 |
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Knowledge & reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| SimpleBench | Score (AVG@5) | 41.7% | Third party | — | — | SimpleBench Leaderboard via Epoch AI |
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| GPQA Diamond | Accuracy | 50.3% | Independent | — | 27 Jan 2025 | Epoch AI |
Mathematics
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| MATH Level 5 | Accuracy | 81.6% | Independent | — | 27 Jan 2025 | Epoch AI |
| OTIS Mock AIME 2024-2025 | Accuracy | 31.1% | Independent | — | 7 Mar 2025 | Epoch AI |
Coding & software engineering
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Cybench | Unguided challenges solved | 10.0% | Third party | — | — | Cybench leaderboard via Epoch AI |
| METR Time Horizons | Average task success (Epoch's column) | 45.1% | Third party | — | — | https://metr.org/blog/2025-03-19-measuring-ai-ability-to-complete-long-tasks/ via Epoch AI |
| WeirdML (v2) | Average accuracy | 47.6% | Third party | — | — | https://htihle.github.io/weirdml.html via Epoch AI |
Human preference
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Text Arena (arena.ai) | Arena score (Elo scale) | 1389 | Independent | — | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Votes | 31122 | Independent | — | 25 Sep 2026 | Arena |