Claude Opus 4.5

Claude Opus 4.5: a claude-opus model from Anthropic, ~200K context, knowledge cutoff 2025-05

Published
scheduleReleasedNovember 24, 2025

Claude Opus 4.5 is a claude-opus model from Anthropic (~200K context, input around $5/1M tokens). Suitable for assistants, content generation, knowledge Q&A and business automation

starsCapabilities

visibilityVision understandingcodeFunction callingdata_objectStructured output

paymentsContext and pricing

Context limit200,000
Max output64,000
Knowledge cutoff2025-05
Input price$5/ 1M tokens
Output price$25/ 1M tokens
Cached input price$0.5/ 1M tokens

historyVersions and aliases

Model IDclaude-opus-4-5-20251101
Version dateNovember 1, 2025
Sourcemodels.dev

descriptionOverview

Overview

Claude Opus 4.5 is provided by Anthropic, model ID claude-opus-4-5

Key specs

  • Context: 200K tokens
  • Max output: 64K tokens
  • Knowledge cutoff: 2025-05
  • Input price: $5/1M
  • Output price: $25/1M

Best for

Consider Claude Opus 4.5 when comparing context length, pricing, multimodal support and relay availability

lightbulbUse cases

  • Image and multimodal Q&A
  • Visual content analysis
  • Document and screenshot understanding

thumb_upStrengths

  • Very long context (~200K), good for long documents and codebases
  • Supports image and multimodal input
  • High single-response output limit (~64K)

infoLimitations

  • Knowledge cutoff 2025-05; newer facts need external retrieval
  • Pricing and availability vary by upstream and relay; verify with official docs and tests

linkReferences

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