Claude Developer Mode

Anthropic Launches Claude Opus 4.8

Anthropic’s Claude Opus 4.8: what we actually know vs. what’s being claimed

Claims of Anthropic launching Claude Opus 4.8 with cheaper Fast Mode are circulating, but no official announcement exists yet. Here's what we actually know.

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Anthropic unveils new Claude Opus 4.8 model

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Anthropic launches Opus 4.8, with honesty as its killer feature

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Anthropic launches Claude Opus 4.8 with dynamic workflows and effort control; here's how it compares to GPT-5.5 and Gemini 3.1 Pro

Anthropic has launched Claude Opus 4.8 with upgrades focused on coding, AI agents and enterprise workflows.

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Anthropic Launches Claude Opus 4.8 with Focus on Honesty, Smarter Judgement

newsbytesapp.com · 22h

Anthropic releases Claude Opus 4.8 emphasizing reliability and transparency

Anthropic's Claude Opus 4.8 is here with 3X cheaper fast mode and near-Mythos level alignment

Opus 4.8 shows a growing tendency to reason explicitly about how its outputs will be graded, including in environments where it wasn't told it was being evaluated.

InfoQ

Anthropic's Code with Claude Announces Managed Agents, Proactive Workflows, Capability Curve

Anthropic hosted "Code with Claude 2026" in San Francisco, featuring livestream sessions focused on Claude Code, the Claude API platform, and other projects. Key topics included developer experience,