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Anthropic
LLM2026-03-10

Claude Sonnet 4.6

Claude Sonnet 4.6 offers a balance of intelligence and speed.

#coding#fast#enterprise

Overview

Claude Sonnet 4.6 is the mid-tier model in the Claude 4 family, offering a high-performance, cost-effective solution for most professional tasks.

Unique Factor

The perfect balance of frontier-level coding/reasoning and sub-second speed.

Key Capabilities

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High speed
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Top coding rank
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200K context

Benchmarks

MMLU Score
89%
HumanEval (Coding)
93%
GPQA Diamond
85%
MATH Benchmark
86%

Top Use Cases

Pair Programming

Real-time code generation and debugging.

Example: “Refactor this React component to use the new useFormStatus hook.”

Learn to Master This Model

Take our free structured Claude course — from basics to advanced techniques.

Claude Course →

Technical Specs

Context200,000 tokens
Paramsunknown
LicenseProprietary
ArchTransformer

API Pricing

$3 / 1M input tokens

Output: $15 / 1M tokens

Access API

Developer

AI safety company behind Claude — one of the world's top-performing LLM families.

Prompt Library

Browse Coding Prompts →

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Previous Version

Claude 3 5 Sonnet →