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C

Claude Sonnet 4.6

by Anthropic
Flagship Proprietary Multimodal 🏆 Ranked #3 of 22
88.3
Overall Score
out of 100
About

The latest and most capable Sonnet model to date. Claude Sonnet 4.6 brings further gains in mathematical reasoning and instruction following, making it Anthropic's most well-rounded model at the Sonnet price point.

Key Metrics
Context Window
200K
tokens
Avg Response
790
milliseconds
Input Cost
$3.0
per million tokens
Output Cost
$15.0
per million tokens
Arena ELO
1374
Chatbot Arena rating
MT-Bench
9.3
out of 10
Benchmark Scores
MMLU
92.1%
HumanEval
94.8%
MATH
83.7%
GPQA
69.1%
MT-Bench
93.0/10
Capability Profile
Strengths & Limitations
Strengths
✓ Top-tier instruction following ✓ Strong maths reasoning ✓ Latest Anthropic safety research ✓ 200K context ✓ Multimodal
Limitations
⚠ Still below Opus tier on hardest tasks ⚠ Higher cost than efficient models
Ideal Use Cases
Enterprise deployments Complex agentic tasks STEM research Coding Content pipelines
Model Details
Provider Anthropic
Released 2026-01-14
Open source No
Multimodal Yes
Tier Flagship
Global rank #3 / 22
Pricing (USD)
Input tokens $3.0/M
Output tokens $15.0/M
Per 1,000 tokens ≈ $0.0030 input / $0.0150 output
All Benchmarks
MMLU 92.1%
HumanEval 94.8%
MATH 83.7%
GPQA 69.1%
MT-Bench 9.3/10
Arena ELO 1374
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