Claude Sonnet 4.5
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Model Information
- Provider
- Anthropic
- License
- Proprietary
- Input Price per 1M
- $3.00
- Output Price per 1M
- $15.00
- Context Window
- 200K
- Release Date
- 2025-09-29
- Model Name
- claude-sonnet-4.5
- Total Evaluations
- 1170
Performance Record
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Performance Overview
ELO ratings by dataset
Claude Sonnet 4.5's ELO performance varies across different benchmark datasets, showing its strengths in specific domains.
Claude Sonnet 4.5 - ELO by Dataset
Detailed Metrics
Dataset breakdown
Performance metrics across different benchmark datasets, including accuracy and latency percentiles.
SciFact
Quality Metrics
- Correctness
- 4.80
- Faithfulness
- 4.87
- Grounding
- 4.77
- Relevance
- 5.00
- Completeness
- 4.73
- Overall
- 4.83
Latency Distribution
- Mean
- 6830ms
- Min
- 2621ms
- Max
- 10722ms
MSMARCO
Quality Metrics
- Correctness
- 4.87
- Faithfulness
- 4.87
- Grounding
- 4.87
- Relevance
- 4.93
- Completeness
- 4.87
- Overall
- 4.88
Latency Distribution
- Mean
- 9825ms
- Min
- 2325ms
- Max
- 21762ms
PG
Quality Metrics
- Correctness
- 5.00
- Faithfulness
- 5.00
- Grounding
- 5.00
- Relevance
- 5.00
- Completeness
- 5.00
- Overall
- 5.00
Latency Distribution
- Mean
- 12322ms
- Min
- 9247ms
- Max
- 20544ms
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for (const result of results) {
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See how it stacks up
Compare Claude Sonnet 4.5 with other top llms to understand the differences in performance, accuracy, and latency.