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URL: https://apxml.com/models/claude-46-sonnet


Claude 4.6 Sonnet

Parameters

-

Context Length

200K

Modality

Multimodal

Architecture

Dense

License

Proprietary

Release Date

1 Feb 2026

Knowledge Cutoff

-

Technical Specifications

Attention

Attention Structure

Multi-Head Attention

Attention Heads

-

Key-Value Heads

-

Attention Head Dimension

-

Position Embedding

Absolute Position Embedding

RoPE Theta

-

Sliding Window Attention

-

Sliding Window Size

-

Normalization

-

Activation Function

-

Dimensions

Hidden Dimension Size

-

Number of Layers

-

FFN Intermediate Size (Dense)

-

Multi-Token Prediction Heads

-

Tokenizer

Vocabulary Size

-

Claude 4.6 Sonnet

Claude 4.6 Sonnet delivers the optimal balance of intelligence, speed, and cost for enterprise applications. Features enhanced reasoning, coding capabilities, and multimodal understanding with vision support. Excels at complex tasks including data analysis, content generation, code review, and conversational AI. Offers improved accuracy and reliability over previous generations with constitutional AI safety measures.

About Claude 4.6

Anthropic's Claude 4.6 series introduces breakthrough capabilities in extended reasoning, creative collaboration, and safety. Features variants including Opus Thinking with advanced chain-of-thought processing and Sonnet for balanced performance. These models excel at complex reasoning tasks, coding, creative writing, and nuanced analysis with enhanced constitutional AI safeguards.


Other Claude 4.6 Models

Evaluation Benchmarks

Rank

#7

BenchmarkScoreRank

0.891

🥉

3

0.86

4

Agentic Coding

LiveBench Agentic

0.63

5

0.78

6

Web Development

WebDev Arena

1524

8

0.87

10

General Text

Text Arena

1468

13

Rankings

Overall Rank

#7

Coding Rank

#6

Model Integrity

Total Score

D

39 / 100