Claude Sonnet 5

Claude Sonnet 5 for coding, agents and professional work at scale

Published
scheduleReleasedJune 30, 2026

Claude Sonnet 5 is an Anthropic Claude model for coding, agents and professional work at scale, with a focus on long-context understanding, writing quality and reliable analysis.

starsCapabilities

visibilityVision understandingcodeFunction callingstreamStreaming outputdata_objectStructured output

paymentsContext and pricing

Context limit1,000,000
Max output128,000
Knowledge cutoff2026-01-31
Input price$2/ 1M tokens
Output price$10/ 1M tokens
Cached input price$0.2/ 1M tokens

descriptionOverview

Overview

Claude Sonnet 5 is part of the official Anthropic Claude model family, with model ID claude-sonnet-5. Claude models are commonly evaluated for long-context understanding, careful writing, coding assistance and safety-aware enterprise workflows.

Best for

Use Claude Sonnet 5 when your product needs document analysis, code review, enterprise Q&A, agent workflows or high-quality writing. Test long-context reliability, refusal boundaries, tool behavior, cost and latency before production.

lightbulbUse cases

  • Long-document analysis and summarization
  • Code review and rewriting
  • Enterprise knowledge Q&A
  • Agent and tool workflows

thumb_upStrengths

  • Strong fit for long-context tasks
  • Careful writing and analysis style
  • Useful for enterprise safety requirements
  • Easy to tier against Haiku, Sonnet and Opus

infoLimitations

  • Cost and latency vary by tier
  • Tool workflows and long-running tasks need testing
  • Some workloads may be better on a smaller model
  • Capabilities depend on Anthropic documentation

linkReferences

This content is compiled from official documentation and public sources. Always refer to official documentation for final details