Updated daily at 05:00 UTC
- Released
- 4 Mar 2024
- Status
- Retired
- Retired
- 21 Jul 2025
- Context
- 200K
- Max output
- 4.1K
- Input per 1M tokens
- $3.00
- Output per 1M tokens
- $15.00
- Open weights
- No
- License
- proprietary
- Parameters
- —
- Knowledge cutoff
- Aug 2023
- Reasoning
- No
- Modalities
- text, image → 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 | 21.7 | Not ranked | 2 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 |
|---|---|---|---|---|---|---|
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 53.6% | Third party | — | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| MMLU | Accuracy | 75.9% | Third party | — | — | Stanford CRFM Leaderboard via Epoch AI |
| WinoGrande | Accuracy | 75.1% | Self-reported | — | — | The Claude 3 Model Family: Opus, Sonnet, Haiku via Epoch AI |
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| GPQA Diamond | Accuracy | 40.6% | Independent | — | 27 Jan 2025 | Epoch AI |
Mathematics
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| MATH Level 5 | Accuracy | 18.2% | Independent | — | 27 Jan 2025 | Epoch AI |
| OTIS Mock AIME 2024-2025 | Accuracy | 2.5% | Independent | — | 25 Feb 2025 | Epoch AI |
Coding & software engineering
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| WeirdML (v2) | Average accuracy | 10.2% | 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) | 1281 | Independent | — | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Votes | 109284 | Independent | — | 25 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Arena score (Elo scale) | 1016 | Independent | — | 28 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Votes | 12314 | Independent | — | 28 Sep 2026 | Arena |
Other Claude Sonnet versions
- Claude Sonnet 5.528 Sep 2026
- Claude Sonnet 530 Jun 2026
- Claude Sonnet 4.617 Feb 2026
- Claude Sonnet 4.529 Sep 2025
- Claude Sonnet 422 May 2025
- Claude 3.7 Sonnet24 Feb 2025
- Claude 3.5 Sonnet20 Jun 2024