# Claude Sonnet 4.5 Benchmark Scores & Performance

> Claude Sonnet 4.5 by Anthropic scores 47.96/100 overall, ranking #110 out of 954 AI models.

Canonical page: https://benchlm.ai/models/claude-sonnet-4-5

Last updated: October 17, 2026

## Model Details

| Property | Value |
|----------|-------|
| Creator | Anthropic |
| Source Type | Proprietary |
| Reasoning Type | Non-Reasoning |
| Context Window | 200K |
| Overall Score | 47.96/100 |
| Overall Rank | #110 of 954 |

## Family & Coverage

- Family: Claude Sonnet 4.5
- Variant: base
- Benchmarks covered: 13 of 639
- Sibling models: [Claude Sonnet 4.5 Thinking](/models/claude-sonnet-4-5-thinking)
- Coverage note: BenchLM currently has partial benchmark coverage for this model, so the overall score is conservative.

## Agentic Benchmarks

| Benchmark | Score | Source |
|-----------|-------|--------|
| [Terminal-Bench 2.0](/benchmarks/terminal-bench-2) | 50% | [Anthropic: Claude Opus 4.5 system card](https://www-cdn.anthropic.com/bf10f64990cfda0ba858290be7b8cc6317685f47.pdf) |
| [OSWorld-Verified](/benchmarks/osworld-verified) | 61.4% | [Anthropic: Claude Opus 4.5 system card](https://www-cdn.anthropic.com/bf10f64990cfda0ba858290be7b8cc6317685f47.pdf) |
| [VITA-Bench](/benchmarks/vitabench) | 17.0% | [VitaBench leaderboard](https://vitabench.github.io/) |
| [Gert Labs](/benchmarks/gertlabs) | 48.51% | [Gert Labs rankings](https://gertlabs.com/rankings) |
| [JobBench](/benchmarks/jobbench) | 27.7% | [JobBench paper](https://arxiv.org/abs/2605.26329) |

## Coding Benchmarks

| Benchmark | Score | Source |
|-----------|-------|--------|
| [SWE-bench Verified](/benchmarks/swe-bench-verified) | 77.2% | [Anthropic: Claude Opus 4.5 system card](https://www-cdn.anthropic.com/bf10f64990cfda0ba858290be7b8cc6317685f47.pdf) |
| [Terminal-Bench 2.0](/benchmarks/terminal-bench-2) | 50.0% | [Anthropic: Claude Opus 4.5 system card](https://www-cdn.anthropic.com/bf10f64990cfda0ba858290be7b8cc6317685f47.pdf) |

## Multimodal & Grounded Benchmarks

| Benchmark | Score | Source |
|-----------|-------|--------|
| [Design Arena Website](/benchmarks/designarenawebsite) | 1191 | [OpenRouter model benchmarks](https://openrouter.ai/anthropic/claude-sonnet-4.5/benchmarks) |

## Reasoning Benchmarks

| Benchmark | Score | Source |
|-----------|-------|--------|
| [ARC-AGI-2](/benchmarks/arc-agi-2) | 13.6% | [Anthropic: Claude Opus 4.5 system card](https://www-cdn.anthropic.com/bf10f64990cfda0ba858290be7b8cc6317685f47.pdf) |

## Knowledge Benchmarks

| Benchmark | Score | Source |
|-----------|-------|--------|
| [GPQA](/benchmarks/gpqa) | 83.4% | [Anthropic: Claude Opus 4.5 system card](https://www-cdn.anthropic.com/bf10f64990cfda0ba858290be7b8cc6317685f47.pdf) |

## Mathematics Benchmarks

| Benchmark | Score | Source |
|-----------|-------|--------|
| [AIME 2025](/benchmarks/aime2025) | 87% | [Reported upstream source](https://www.anthropic.com/news/claude-sonnet-4-5) |
| [FrontierMath v2 (Tiers 1-3)](/benchmarks/frontiermathv2tiers13) | 23.860% | [Epoch AI FrontierMath v2 leaderboard](https://epoch.ai/benchmarks/frontiermath-tiers-1-3-v2) |
| [FrontierMath v2 (Tier 4)](/benchmarks/frontiermathv2tier4) | 2.439% | [Epoch AI FrontierMath v2 leaderboard](https://epoch.ai/benchmarks/frontiermath-tier-4-v2?view=graph&tab=leaderboard) |

## Other Anthropic Models

- [Claude Opus 5.5](/models/claude-opus-5-5) - Score: 86.56
- [Claude Fable 5.1](/models/claude-fable-5-1) - Score: 83.18
- [Claude Sonnet 5.5](/models/claude-sonnet-5-5) - Score: 82.18
- [Claude Fable 5](/models/claude-fable) - Score: 81.27
- [Claude Opus 5](/models/claude-opus-5) - Score: 79.63
- [Claude Haiku 5.5](/models/claude-haiku-5-5) - Score: 70.04
- [Claude Opus 4.8](/models/claude-opus-4-8) - Score: 70.01
- [Claude Opus 4.7 (Adaptive)](/models/claude-opus-4-7-adaptive) - Score: 68.96
- [Claude Opus 4.7](/models/claude-opus-4-7) - Score: 66.74
- [Claude Sonnet 5](/models/claude-sonnet-5) - Score: 64.84
- [Claude Opus 4.6](/models/claude-opus-4-6) - Score: 62.39
- [Claude Sonnet 4.6](/models/claude-sonnet-4-6) - Score: 55.89
- [Claude Opus 4.5 Thinking](/models/claude-opus-4-5-thinking) - Score: 54.1
- [Claude Opus 4.5](/models/claude-opus-4-5) - Score: 54.05
- [Claude Haiku 4.5](/models/claude-haiku-4-5) - Score: 41.16
- [Claude 4.1 Opus](/models/claude-4-1-opus) - Score: 40.05
- [Claude 4.1 Opus Thinking](/models/claude-4-1-opus-thinking) - Score: 39.37
- [Claude 4 Sonnet](/models/claude-4-sonnet) - Score: 38.08
- [Claude 3 Opus](/models/claude-3-opus) - Score: 28.49
- [Claude 3.5 Sonnet](/models/claude-3-5-sonnet) - Score: 27.73
- [Claude 3 Haiku](/models/claude-3-haiku) - Score: 14.19
- [Claude Mythos 5](/models/claude-mythos-5) - Score: not computed
- [Claude 4 Opus Thinking](/models/claude-4-opus-thinking) - Score: not computed
- [Claude Opus 4.6 (Adaptive)](/models/claude-opus-4-6-thinking) - Score: not computed
- [Claude 4 Opus](/models/claude-4-opus) - Score: not computed
- [Claude 3.7 Sonnet Thinking](/models/claude-3-7-sonnet-thinking) - Score: not computed
- [Claude 3.7 Sonnet](/models/claude-3-7-sonnet) - Score: not computed
- [Claude 3.5 Haiku](/models/claude-3-5-haiku) - Score: not computed
- [Claude Sonnet 4.5 Thinking](/models/claude-sonnet-4-5-thinking) - Score: not computed
- [Claude Mythos 5.1](/models/claude-mythos-5-1) - Score: not computed
- [Claude Mythos Preview](/models/claude-mythos-preview) - Score: not computed
- [Claude Haiku 4.5 Thinking](/models/claude-haiku-4-5-thinking) - Score: not computed