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Anthropic has released Claude Sonnet 5.5, the second model in the Claude 5.5 family. It is smarter and more efficient than Sonnet 5 and 30% faster, with unchanged per-token pricing; because it needs fewer tokens to complete the same work, costs for most tasks drop by up to 30%. The official recommendation is to use Sonnet 5.5 for well-scoped everyday tasks such as bug fixing and rapid feature iteration, while complex long-running work should still use Opus 5.5; Haiku 5.5 will join the family in the coming weeks. The model ID is claude-sonnet-5-5, and it is already available on platforms including the Claude API, Amazon Bedrock, Google Cloud, and Microsoft Foundry. Starting with v2.1.284, the sonnet alias in Claude Code points to this model, which runs at medium effort by default and natively supports a 1M context window.
well-scoped everyday tasks such as bug fixing and rapid feature iteration, while complex long-running work should still use Opus 5.5; Haiku 5.5 will join the family in the coming weeks. The model ID is claude-sonnet-5-5, and it is already available on platforms including the Claude API, Amazon Bedrock, Google Cloud, and Microsoft Foundry. Starting with v2.1.284, the sonnet alias in Claude Code points to this model, which runs at medium effort by default and natively supports a 1M context window.
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The Brookings Institution released research by Columbia Business School professor Stijn Van Nieuwerburgh, estimating cumulative US AI infrastructure investment from 2025 to 2032 at about $10.3 trillion, averaging 3.63% of US GDP annually, higher than the historical investment intensity of railways, highways, and fiber-optic construction. The report notes that in 2026, capital expenditure by Oracle, Microsoft, Amazon, Meta, and Alphabet is expected to reach $800.5 billion, exceeding operating cash flow of $707.1 billion for the first time, with the gap reliant on borrowing and external financing. The report also mentions that Meta's Hyperion project has a debt-to-asset ratio of nearly 90%, large cloud providers have about $2.4 trillion in off-balance-sheet lease and purchase commitments, and IT assets such as GPUs are calculated at a 6-year economic life; if demand growth cannot keep pace with capacity expansion, this could bring pressure from declining utilization and lease prices.
US GDP annually, higher than the historical investment intensity of railways, highways, and fiber-optic construction. The report notes that in 2026, capital expenditure by Oracle, Microsoft, Amazon, Meta, and Alphabet is expected to reach $800.5 billion, exceeding operating cash flow of $707.1 billion for the first time, with the gap reliant on borrowing and external financing. The report also mentions that Meta's Hyperion project has a debt-to-asset ratio of nearly 90%, large cloud providers ha
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