July 24, 2026
Anthropic Claude Opus 5 released
AnthropicAn AI safety company — creators of the Claude family of language models. released Claude Opus 5 on July 24, 2026 — a step-change in deep reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. and long-horizon agenticAI systems that plan and execute multi-step tasks autonomously — tools, browsing, and sub-agents. tasks at half the price of Claude Fable 5.
What it was for
Opus 5 shipped with thinking on by default, 1M-token context, and stronger test-time compute scaling for enterprise agents. It narrowed the gap to AnthropicAn AI safety company — creators of the Claude family of language models.'s top Fable tier while keeping APIApplication programming interface — a defined way for programs to talk to each other or to a service. pricing at $5/$25 per million tokens — continuing the rapid Opus cadence that started with Claude 4.
Companies
- Anthropic
Why it's here
Opus 5 brought near-Fable intelligence to AnthropicAn AI safety company — creators of the Claude family of language models.'s standard Opus pricing tier.
Why it mattered
Default extended thinking and agent scaling raised the bar for production coding agents.
What it solved
TeamsMicrosoft Teams — chat, video calls, and Office integration for workplace collaboration. needed frontier agent reliability without paying for AnthropicAn AI safety company — creators of the Claude family of language models.'s highest experimental tier.
Media
- ImageAnthropic
Anthropic, Public domain, via Wikimedia Commons
Related
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- Anthropic Claude Opus 4.6 releasedFebruary 5, 2026
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- OpenAI GPT-5.4 releasedMarch 5, 2026
- Anthropic Claude Sonnet 5 releasedJune 30, 2026