Claude Sonnet 4.6

claude-sonnet-4.6

Claude Sonnet 4.6 is presented as a broad upgrade for coding, computer use, long-context reasoning, agent planning, knowledge work, and design. Anthropic materials describe it as a strong middle tier with 1M-context beta support and better agent behavior. It is suited to teams that want near-frontier capability with more practical cost and latency than Opus.

Context Window

1M tokens

Maximum Output

64K tokens

Release Date

Feb 17, 2026

Modalities

Claude Sonnet 4.6 Pricing

Input PriceOutput PriceCache ReadCache Create 5m
$3/M$15/M$0.3/M$3.75/M

Claude Sonnet 4.6 API Capabilities

Reasoning

Supported

Tool calling

Supported

Temperature parameter

Supported

Attachments

Supported

Knowledge Base

2025-08-31

Endpoint Protocols

Completions APIMessages API

Claude Sonnet 4.6 Model Highlights

Claude Sonnet 4.6 combines capable coding, long-context reasoning, computer use and design-oriented generation for balanced production workloads.

Capable Software Engineering

Handles complex fixes, searches large codebases and follows implementation instructions consistently.

Million-Token Context

Accepts up to one million input tokens, supporting analysis across extensive repositories and document collections.

Visual Computer Understanding

Interprets interfaces, documents and changing screen states for computer-based tasks and visual creation.

Claude Sonnet 4.6 Use Cases

Claude Sonnet 4.6 is suited to repository-scale fixes, enterprise document analysis and polished interface development.

Repository Code Fixes

Search a large repository for relevant code, diagnose a defect and implement coordinated, tested changes.

Enterprise Document Analysis

Read large collections of PDFs, charts and tables, extract relevant facts and produce a structured conclusion.

Frontend Interface Development

Turn product requirements and visual references into functional interfaces with considered layouts and interactions.

How to Use Claude Sonnet 4.6 via the TokenHub API

Create API key
import OpenAI from "openai"

const client = new OpenAI({
  apiKey: process.env.TOKENHUB_API_KEY,
  baseURL: "https://us-api.tokenhub.com/v1",
})

const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)

Claude Sonnet 4.6 Benchmarks

Index score
Artificial Analysis Intelligence IndexArtificial Analysis broad capability aggregate35.9
Artificial Analysis Coding IndexArtificial Analysis software task aggregate46.4
Knowledge & Reasoning
GPQAAdvanced science problem solving79.9%
HLEBroad expert-level exam set13.2%
Coding & Engineering
SciCodeScientific coding challenges46.9%
Terminal-Bench HardHard terminal task execution46.2%
Instruction Following & Agent Tasks
IFBenchPrompt constraint adherence41.2%
AA-LCRLong-context reasoning57.7%
τ²-BenchAgent workflow tasks79.5%

Metrics sourced from Artificial Analysis

Claude Sonnet 4.6 Comparisons

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Frequently asked questions about Claude Sonnet 4.6

Understand what Claude Sonnet 4.6 is, its best uses, distinguishing strengths, practical tradeoffs, and safe TokenHub integration guidance.

How should developers understand the role of Claude Sonnet 4.6?+

Claude Sonnet 4.6 is Anthropic’s current Sonnet model, balancing frontier-level coding and agent skills with lower cost than Opus. It is a current public model in its provider’s documentation, though availability can vary by platform.

When does Claude Sonnet 4.6 deliver the most practical value?+

Best-fit scenarios include agentic coding and repository work, computer-use and interface automation, and knowledge work across business documents. Test representative inputs and define measurable acceptance criteria before production.

What are the most useful characteristics of Claude Sonnet 4.6?+

Key strengths include a strong balance of quality, speed, and cost, strong coding performance, and effective use of tools and function calls. This combination is especially useful for computer-use and interface automation.

What are the practical limits of Claude Sonnet 4.6?+

Consider another model when the task needs the strongest Opus-level capability, the workflow cannot include human review for important decisions, or a smaller Haiku model meets the quality requirement at lower cost. Run generated code through tests, security checks, and human review before merging or deployment.

How should developers call Claude Sonnet 4.6 through TokenHub?+

In TokenHub, select the exact model identifier displayed for Claude Sonnet 4.6, use the endpoint documented for your account, and authenticate with your TokenHub credentials. Check the TokenHub model page for the available Claude features, context limits, tool support, and current model status for your account.

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