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Anthropicactive

Claude Opus 5

Released at: July 24, 2026

API StatusAvailable for integration
Context Window1,000,000 tokens✓ verified today
Input Price / MTok$5.00✓ verified today
Output Price / MTok$25.00✓ verified today

Model Overview

Anthropic · Active Model

  • Long-Context
  • API Available
  • Vetted Benchmarks
  • Production Ready

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...

Developer
Anthropic✓ verified today
Release Date
July 24, 2026✓ verified today
Context Window
1,000,000 tokens≈ 1,333 words✓ verified today
API Access
Publicly AvailableIntegrate via official API✓ verified today
Input Cost
$5.00per million tokens✓ verified today
Output Cost
$25.00per million tokens✓ verified today
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Vetted Benchmarks

MMLU(estimated)Score: 81.2% (Top 52%)
HumanEval(estimated)Score: 79.4% (Top 56%)
MATH(estimated)Score: 56.6% (Top 51%)
MT-Bench(estimated)Score: 8.3 (Top 78%)
GPQA(estimated)Score: 38.6% (Top 76%)
HellaSwag(estimated)Score: 80.8% (Top 76%)

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