@mark_k: Opus 4.8 is being prepared for release today by @AnthropicAI We might witness a rare dual release by OpenAI and Anthrop…
Summary
Anthropic is preparing to release Opus 4.8, potentially alongside a release from OpenAI, marking a rare dual release event.
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Cached at: 05/29/26, 05:55 AM
Opus 4.8 is being prepared for release today by @AnthropicAI 🔥
We might witness a rare dual release by OpenAI and Anthropic.
Are you READY?
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@mfpiccolo: Opus 4.8 is out. Here is the the verdict from @iiidevs lead engineer: did a stress test it’s just another llm can’t rea…
Anthropic released Claude Opus 4.8, an incremental update over Opus 4.7 with sharper judgment and longer autonomous work capability, though some engineers remain skeptical about its code generation without extensive guidance.
@shikhr_: After Opus 4.9 Anthropic has no choice but to release Opus 5
A tweet speculates that Anthropic must release Opus 5 after Opus 4.9.
what the hell is going on with opus 4.8???
A user expresses confusion about the status or behavior of the Claude Opus 4.8 AI model, prompting discussion.
Anthropic launches Opus 5
Anthropic released Opus 5, a new version of its heavyweight model that is cheaper and less restrictive than Fable 5, and outperforms it on some benchmarks. The model also introduces lighter safeguards and a new Automatic Fallbacks feature for API users.
Claude Opus 4.8 launched May 28 with a feature that signals where AI is actually heading. It can now break one task into dozens of parallel workstreams and run them simultaneously.
Anthropic launched Claude Opus 4.8 with Dynamic Workflows, enabling parallel task execution, and improved judgment that flags uncertainty, moving from a tool to a collaborator.