Anthropic reportedly plans $518 billion in cloud and computing obligations
Polymarket says Anthropic reportedly plans $518 billion in cloud, computing, and infrastructure obligations over the coming year.
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View all AI newsClaude Sonnet 5.5 is available on Databricks across AWS, Azure, and GCP
Databricks says Anthropic’s Claude Sonnet 5.5 is now available across AWS, Azure, and GCP and is governed by Unity Gateway. Databricks says it is more efficient than Sonnet 5 for coding and agentic work and reaches Opus 5-level accuracy on document understanding, parsing, and search.
Opus 5.5 leads Anthropic models on OpenRouter by spend and tokens
About one week after launch, OpenRouter says Opus 5.5 ranks first among Anthropic models on its platform by share of spend and share of tokens, with a particularly rapid shift away from Opus 5.
Claude Sonnet 5.5 on OpenRouter keeps 1M context at $2 and $10 per million tokens
OpenRouter prices Claude Sonnet 5.5 at $2 per million input tokens and $10 per million output tokens, with a 1 million-token context window. Those rates are unchanged from Sonnet 5.
Claude Sonnet 5.5 is live on OpenRouter
OpenRouter now offers Anthropic’s Claude Sonnet 5.5. OpenRouter says it is significantly smarter than Sonnet 5, writes more clearly, and is 30% faster and about 30% cheaper for most work.
Claude Opus 5.5 is now available in Kiro
Kiro has made Anthropic’s Claude Opus 5.5 available in the Kiro IDE, CLI, and Crew. Kiro says it matches Fable 5.1 on most work and costs 40% less than Opus 5.
Artificial Analysis scores Claude Sonnet 5.5 at 56, two points behind Opus 5.5
Artificial Analysis says Claude Sonnet 5.5 scores 56 on its Intelligence Index at max effort, two points behind Claude Opus 5.5 (max), while using the highest output-token count it has measured and costing about $7.60 per task.
Claude Sonnet 5.5 is generally available in GitHub Copilot
GitHub says Anthropic’s Claude Sonnet 5.5 is now generally available in GitHub Copilot, including the Copilot app, CLI, and code. In GitHub’s early testing, it matched Sonnet 5 on coding tasks while using fewer steps, tokens, and tool calls and finishing faster.
Claude Sonnet 5.5 is available everywhere; Haiku 5.5 is coming
Claude says Claude Sonnet 5.5 is available everywhere today. Claude Haiku 5.5 is expected to join the Claude 5.5 family in the coming weeks.
Claude Opus 5.5 (High) ranks second in Arena.ai Agent Arena
Arena.ai places Anthropic’s Claude Opus 5.5 (High) second in Agent Arena with a +12.15% net improvement. Only Fable 5.1 (Max) ranks higher, and Arena.ai puts the median price at $1.31 per task, 64% less.
Polymarket says OpenAI, Meta, Anthropic and Google executives will testify before the NYC Council
Polymarket says executives from OpenAI, Meta, Anthropic, and Google are set to testify before the NYC Council next week amid growing AI safety concerns.
OpenAI and Anthropic reportedly reviewing tens of thousands of rogue AI-agent incidents
Polymarket says OpenAI and Anthropic are reportedly investigating “tens of thousands” of incidents in which rogue AI agents took potentially problematic actions.
Arena.ai ranks Claude Opus 5.5 (High) No. 1 in Text Arena at 1,509 points
Arena.ai says Claude Opus 5.5 (High) leads Text Arena with 1,509 points, 18 above Opus 5 (High) and 4 above second-place Opus 4.6 (High). It also says Anthropic holds all six top spots and that Opus 5.5 (High) is on the Pareto frontier at a blended $16 per million tokens.
Claude completes a nine-loop calculation in planar N=4 super-Yang-Mills
Anthropic says one prompt sent Claude through days of largely unsupervised work in Claude Science, producing a nine-loop scattering-amplitude result that Lance Dixon independently verified, at a total cost of a few thousand dollars.
Polymarket says Anthropic is partnering with OpenEvidence to roll out free medical AI tools
Polymarket says the tools are being rolled out to physicians in roughly 100 countries, including Uganda, Sudan, Haiti, and Mongolia.
Anthropic reports the first result from its new molecular biology lab
Anthropic says biologists use Claude to propose hypotheses and candidate biological systems, while its scientists review those ideas and perform all laboratory work. The company is inviting research-question proposals in genomics and other fields.
Anthropic says Claude found an unknown enzyme system in bacteriophage DNA
Anthropic says the enzyme’s gene sits beside a long array of repeating DNA that looks somewhat similar to CRISPR. It says the system’s function is not yet understood, while the few known systems sharing its features can all cut, copy, and paste DNA.
Polymarket says Anthropic wet lab’s Claude agents found a novel enzyme system
Polymarket says Anthropic’s new wet lab made its first discovery after nearly 1,000 Claude agents worked autonomously for 21 hours.
Unauthorized proxies routed user prompts to Claude APIs, DeepLearning.AI says
DeepLearning.AI says Anthropic’s latest report highlights proxy query routing behind massive distillation campaigns on commercial platforms. It says unauthorized proxies forwarded user prompts to Claude APIs, creating severe data-privacy risks.
Claude Opus 5.5 is now available on B.AI, with API and Web Chat opening together
B.AI now offers Claude Opus 5.5. According to B.AI, the model supports a 1M-token context and up to 128K output, matches Claude Fable 5.1 on most tasks, and costs about 40% less to run than Opus 5.