Anthropic
claude-sonnet-4-20250514
Made by Anthropic. Released 2025-05-22. Accessibility not recorded. Cheapest standard rate we hold: $15 per million output tokens, no context split.
What it costs
| Tier | Kind | In | Out | Cached in | From |
|---|---|---|---|---|---|
| standard | text | $3 | $15 | $0.30 | licensed-index |
per million tokens, US dollars. * marks a rate from a single registry or two that disagree — the best available number rather than a confirmed one. Every other row is confirmed against a seller or a licensed index.
What it scores, by house
| Benchmark | House | Score | Evaluated | Scaffold |
|---|---|---|---|---|
| frontiermath | Epoch AI | 0.0±0.01 | 2025-07-04 | — |
| frontiermath tier 4 | Epoch AI | 0.0±0.00 | 2025-07-01 | — |
| gpqa diamond | Epoch AI | 0.8±0.03 | 2025-05-26 | 59K |
| gpqa diamond | Epoch AI | 0.8±0.03 | 2025-05-22 | 32K |
| gpqa diamond | Epoch AI | 0.7±0.03 | 2025-05-22 | — |
| gpqa diamond | Epoch AI | 0.8±0.03 | 2025-05-22 | 16K |
| math level 5near its ceiling | Epoch AI | 0.8±0.01 | 2025-05-22 | — |
| otis mock aime 2024 2025near its ceiling | Epoch AI | 0.7±0.07 | 2025-05-23 | 59K |
| otis mock aime 2024 2025near its ceiling | Epoch AI | 0.5±0.08 | 2025-05-22 | 16K |
| otis mock aime 2024 2025near its ceiling | Epoch AI | 0.3±0.07 | 2025-05-22 | — |
| otis mock aime 2024 2025near its ceiling | Epoch AI | 0.7±0.07 | 2025-05-22 | 32K |
| aider polyglot | collected by Epoch AI | 56.4 | — | — |
| aider polyglot | collected by Epoch AI | 61.3 | — | 32K |
| ale bench | collected by Epoch AI | 655 | — | 32K |
| apex agents | collected by Epoch AI | 0.2 | — | unknown |
| arc aginear its ceiling | collected by Epoch AI | 0.4 | — | 16K |
| arc aginear its ceiling | collected by Epoch AI | 0.2 | — | — |
| arc aginear its ceiling | collected by Epoch AI | 0.3 | — | 1K |
| arc aginear its ceiling | collected by Epoch AI | 0.3 | — | 8K |
| arc agi 2 | collected by Epoch AI | 0.0 | — | 8K |
| arc agi 2 | collected by Epoch AI | 0.0 | — | — |
| arc agi 2 | collected by Epoch AI | 0.1 | — | 16K |
| arc agi 2 | collected by Epoch AI | 0.0 | — | 1K |
| critpt | collected by Epoch AI | 0.0 | — | unknown |
| cybench | collected by Epoch AI | 0.3 | — | — |
| deepresearchbench | collected by Epoch AI | 0.5 | — | 2K |
| dtbenchnear its ceiling | collected by Epoch AI | 0.8 | — | unknown |
| enigma eval | collected by Epoch AI | 0.0 | — | unknown |
| fictionlivebench | collected by Epoch AI | 0.4 | — | — |
| forecastbench | collected by Epoch AI | 60.2 | — | unknown |
| geobench | collected by Epoch AI | 2468 | — | — |
| geobench | collected by Epoch AI | 2369 | — | 32K |
| gso | collected by Epoch AI | 0.0 | — | OpenHands |
| hle | collected by Epoch AI | 0.1 | — | unknown |
| lech mazur writing | collected by Epoch AI | 8.1 | — | 16K |
| lech mazur writing | collected by Epoch AI | 8.1 | — | — |
| lmca | collected by Epoch AI | 29.0 | — | unknown |
| metr time horizons | collected by Epoch AI | 74.9 | — | 16K |
| mindcube | collected by Epoch AI | 0.4 | — | unknown |
| os world | collected by Epoch AI | 41.4 | — | claude-4-sonnet-20250514 (100 steps) |
| os world | collected by Epoch AI | 43.9 | — | claude-4-sonnet-20250514 (50 steps) |
| os world | collected by Epoch AI | 31.2 | — | claude-4-sonnet-20250514 (15 steps) |
| scicode | collected by Epoch AI | 0.4 | — | unknown |
| simplebench | collected by Epoch AI | 0.5 | — | unknown |
| simplebench | collected by Epoch AI | 0.5 | — | 12K |
| the agent company | collected by Epoch AI | 0.4 | — | — |
| vpct | collected by Epoch AI | 0.3 | — | — |
| vpct | collected by Epoch AI | 0.3 | — | 32K |
| weirdml | collected by Epoch AI | 0.5 | — | 16K |
| weirdml | collected by Epoch AI | 0.4 | — | — |
These scores are not comparable between houses and are not added up. A score is dated by when it was evaluated, not when the model was released, and a score without its scaffold is not a measurement — which is why both are printed.
What retires, and when
- deprecation — 2026-06-15 (Retired)
Every rate we hold · Why there is no single best model · Everything from Anthropic