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◈Bluesky1
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Opus 5.5 model documentation
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Sep 23–28, 2026 · Daily
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claude / pricing
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Showing 51–51 of 51 mentions
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X X / Twitter 1w ▲ 1 positive claude / pricing𝗖𝗟𝗔𝗨𝗗𝗘 𝗢𝗣𝗨𝗦 𝟱.𝟱 𝗜𝗦 𝗡𝗢𝗪 𝗟𝗜𝗩𝗘 𝗢𝗡 𝗕.𝗔𝗜: 𝗪𝗛𝗔𝗧 𝟭𝗠 𝗖𝗢𝗡𝗧𝗘𝗫𝗧 𝗠𝗘𝗔𝗡𝗦 𝗙𝗢𝗥 𝗔𝗚𝗘𝗡𝗧𝗜𝗖 𝗪𝗢𝗥𝗞𝗙𝗟𝗢𝗪𝗦 🤖 https://t.co/h8toKyKnAQ has added Claude Opus 5.5 from @AnthropicAI to both its Web Chat and API. The important part isn't simply another model appearing in a model list. It is what the model's capabilities enable developers and users… 𝗖𝗟𝗔𝗨𝗗𝗘 𝗢𝗣𝗨𝗦 𝟱.𝟱 𝗜𝗦 𝗡𝗢𝗪 𝗟𝗜𝗩𝗘 𝗢𝗡 𝗕.𝗔𝗜: 𝗪𝗛𝗔𝗧 𝟭𝗠 𝗖𝗢𝗡𝗧𝗘𝗫𝗧 𝗠𝗘𝗔𝗡𝗦 𝗙𝗢𝗥 𝗔𝗚𝗘𝗡𝗧𝗜𝗖 𝗪𝗢𝗥𝗞𝗙𝗟𝗢𝗪𝗦 🤖 https://t.co/h8toKyKnAQ has added Claude Opus 5.5 from @AnthropicAI to both its Web Chat and API. The important part isn't simply another model appearing in a model list. It is what the model's capabilities enable developers and users to do. Claude Opus 5.5 is designed for long-running agentic coding and complex knowledge work, where the model may need to reason across large amounts of information, maintain context and execute multi-step workflows. 𝗧𝗛𝗘 𝟭𝗠-𝗧𝗢𝗞𝗘𝗡 𝗖𝗢𝗡𝗧𝗘𝗫𝗧 𝗟𝗔𝗬𝗘𝗥 A 1M-token context window changes how large tasks can be approached. Instead of repeatedly splitting a large project into smaller conversations, developers can potentially provide substantially more context within a single workflow. Think about: → Large codebases → Extensive technical documentation → Long research materials → Multi-file software projects → Complex agent instructions Context does not automatically make an AI system correct. But more usable context can reduce the need to constantly remove information from a workflow. 𝗧𝗛𝗘 𝟭𝟮𝟴𝗞 𝗢𝗨𝗧𝗣𝗨𝗧 𝗟𝗔𝗬𝗘𝗥 The model also supports up to 128K output tokens. That matters for tasks where the result itself can be extensive — from detailed code generation and analysis to long-running agent workflows. The broader shift is from: Ask → Answer toward: Plan → Reason → Execute → Review → Continue That is much closer to how agentic systems operate. 𝗖𝗢𝗦𝗧 𝗜𝗦 𝗣𝗔𝗥𝗧 𝗢𝗙 𝗧𝗛𝗘 𝗧ECHNOLOGY According to the announcement, Claude Opus 5.5 delivers capabilities comparable to Claude Fable 5.1 on most tasks while costing roughly 40% less to run than Opus 5. If those economics hold in practical workloads, the implication is significant for developers running repeated or long-context operations. Better capability is useful. Better capability at a sustainable cost is even more important when building production systems. 𝗪𝗛𝗘𝗥𝗘 𝗕.𝗔𝗜 𝗙𝗜𝗧𝗦 𝗜𝗡 https://t.co/h8toKyKnAQ's value isview source ↗