AI Radar

Claude Opus 5

Available · Language, Multimodal, Reasoning · Milestone

Claude Opus 5 is a language model in Anthropic's Claude Opus line, released on 24 July 2026 on all platforms at the same price as Claude Opus 4.8 and made the default model on Claude Max. It takes text and image input with a 1M token context window, has thinking on by default, and uses cyber classifiers that allow finding vulnerabilities in source code but block exploit generation. [1] [2]July 24, 2026 [3] Primary source

Timeline of Claude Opus 5 →

Claims and evidence

  • Released Primary source[1] [3]Availability: Released
  • Status Available Primary source[3]Availability [4]Model status table
  • Change · Reasoning Thinking is on by default, and it can be disabled only at effort high or below.Compared with Claude Opus 4.8 Primary source[2]July 24, 2026
  • Change · Safety Cyber safeguards similar to Opus 4.8's, with stronger guardrails on binary vulnerability scanning, penetration testing and exploit generation; flagged requests fall back to Opus 4.8.Compared with Claude Opus 4.8 Primary source[1]
  • Change · Availability Became the default model on the Claude Max plan.Compared with Claude Opus 4.8 Primary source[1]
  • Input text, image Primary source[3]Capabilities: Input and output
  • Output text Primary source[3]Capabilities: Input and output
  • Context window 1M tokens Primary source[3]Capabilities: Context window
  • Parameters Not disclosedNot disclosed by Anthropic. No claim madeNo source
  • Access API, consumer app, cloud partner Primary source[1]opening section and availability paragraph [3]Availability: Platforms

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Not derived from another model.

Variants and derived

None recorded.

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