Claude Opus 4.7

Anthropic🇺🇸 United States
active
Input / 1M tokens$5
Output / 1M tokens$25

Version History

4-7minor

Python SDK v0.96.0 adds Claude Opus 4-7 support, introduces token budgets for cost management, and user profiles for personalized interactions.

4.7minor

Opus 4.7 introduces significantly more aggressive safety guardrails that automatically detect and block requests related to cybersecurity uses, resulting in a 10-15x increase in reported false positive refusals.

Coverage

changelogAnthropic

Claude Opus 4.7 refusal rate surges to 30+ monthly complaints as Anthropic tests aggressive guardrails

Anthropic's Claude Opus 4.7 release triggered a sharp increase in false positive refusals, with developers filing 30+ complaints in April 2026 compared to 2-3 monthly reports from July-September 2025. The company deployed aggressive Acceptable Use Policy guardrails to prepare for the eventual release of its Mythos vulnerability research model.

2 min read
model releaseAnthropic

Anthropic releases Claude Opus 4.7 with reduced cyber capabilities ahead of Mythos Preview general release

Anthropic has released Claude Opus 4.7, its most powerful generally available model, though it scores lower than the company's Mythos Preview model on every evaluation. The company intentionally reduced Opus 4.7's cybersecurity capabilities during training as it tests safety measures before releasing more powerful models.

2 min read
model releaseAnthropic

Anthropic ships Claude Opus 4.7 with improved coding reliability and multimodal capabilities

Anthropic has released Claude Opus 4.7, its latest generally available AI model focused on advanced software engineering. The model shows improvements in handling complex coding tasks with less supervision, enhanced vision capabilities, and better instruction following, while introducing a new tokenizer that increases token usage by 1.0-1.35× depending on content type.

2 min read