Claude Sonnet 4.6
Approaches Opus-level performance at Sonnet pricing. Strong coding, creative writing, and instruction-following capabilities. Default model on claude.ai. Balanced performance and cost for RAG applications with strong grounding and faithfulness. If you want to compare the best LLMs for your data, try Agentset.
Model Information
- Provider
- Anthropic
- License
- Proprietary
- Input Price per 1M
- $3.00
- Output Price per 1M
- $15.00
- Context Window
- 200K
- Release Date
- 2026-02-17
- Model Name
- claude-sonnet-4.6
- Total Evaluations
- 1170
Performance Record
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Performance Overview
ELO ratings by dataset
Claude Sonnet 4.6's ELO performance varies across different benchmark datasets, showing its strengths in specific domains.
Claude Sonnet 4.6 - ELO by Dataset
Detailed Metrics
Dataset breakdown
Performance metrics across different benchmark datasets, including accuracy and latency percentiles.
MSMARCO
Quality Metrics
- Correctness
- 4.97
- Faithfulness
- 5.00
- Grounding
- 5.00
- Relevance
- 5.00
- Completeness
- 4.93
- Overall
- 4.98
Latency Distribution
- Mean
- 5785ms
- Min
- 2066ms
- Max
- 8195ms
PG
Quality Metrics
- Correctness
- 5.00
- Faithfulness
- 5.00
- Grounding
- 5.00
- Relevance
- 5.00
- Completeness
- 5.00
- Overall
- 5.00
Latency Distribution
- Mean
- 12740ms
- Min
- 8720ms
- Max
- 20930ms
SciFact
Quality Metrics
- Correctness
- 4.83
- Faithfulness
- 4.87
- Grounding
- 4.87
- Relevance
- 5.00
- Completeness
- 4.77
- Overall
- 4.87
Latency Distribution
- Mean
- 9969ms
- Min
- 2886ms
- Max
- 19276ms
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}Compare Models
See how it stacks up
Compare Claude Sonnet 4.6 with other top llms to understand the differences in performance, accuracy, and latency.