Meet the New Claude Opus 5: Frontier-Class Agentic Coding and Computer Use at Unchanged Opus Pricing
MarkTechPost Asif Razzaq ● Covered by 12 sources
Anthropic released Claude Opus 5, replacing Claude Opus 4.8 at the same price of $5 per million input tokens and $25 per million output tokens. The model enables thinking by default (whereas Opus 4.8 required manual activation), supports up to 1 million token context with 128k output on the standard API, and requires developers to remove verification prompts from existing code since the model now self-verifies. Developers must update API calls to handle the new thinking behavior or explicitly disable it, and they can reduce prompt cache minimums from 1,024 to 512 tokens.
Why it matters
Today, Anthropic released Claude Opus 5. It replaces Claude Opus 4.8 as the Opus-tier flagship. Pricing is unchanged at $5 per million input tokens and $25 per million output tokens. The Anthropic team positions Opus 5 as approaching the intelligence of Claude Fable 5 at half the price. It is now the default model on […] The post Meet the New Claude Opus 5: Frontier-Class Agentic Coding and Computer Use at Unchanged Opus Pricing appeared first on MarkTechPost.
Also covered by
- Simon Willison — Quoting Boris Cherny
- Simon Willison — Introducing Claude Opus 5
- Ars Technica — Anthropic's Opus 5 is about token efficiency, not a capability leap
- The New Stack — Opus 5 costs a third of the price — and that’s actually the problem
- Anthropic News — Introducing Claude Opus 5
- The New Stack — Anthropic’s Opus 5 is almost Fable 5
- TechCrunch AI — Anthropic launches Opus 5
- Sakana AI — Announcing Fugu-Ultra v1.1 and Claude Code interface for Fugu
- The Verge — Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilities
- The Batch — Mythos Begets Fable, Cursor's Composer 2.5, Agents Building Agents
- The Batch — Testing Mythos and Fable, Moving Beyond SWE-bench, Nvidia's Open Contender
