TypeSafe AI raised $870 million at a $7.5 billion valuation in a Series A led by Andreessen Horowitz, less than a month after launching its Jev model. The company says a third of the Fortune 500 use Jev.
TypeSafe says a third of the Fortune 500 are using Jev and that it has saved customers millions of dollars in production.
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Nvidia is in early talks to acquire Reflection AI or invest more in the open-weight model startup, the Financial Times reported. Bloomberg reported talks on a bigger investment or computing deal, with no terms agreed. Nvidia has already invested $800 million, the FT said.
Netease-youdao LobsterAI versions 2026.5.27 through 2026.9.23 contain CVE-2026-108156, a high-severity flaw that enables arbitrary directory deletion via a crafted skill's _meta.json file. The vulnerability carries a CVSS score of 7.1 and requires only that a user install the malicious skill.
Anthropic has launched the Anthropic Cyber Mission to support defenders of critical infrastructure and open-source software with models, engineers, and tools. The initiative starts with the Critical Infrastructure Defense Program and free OSS Scanner amid ongoing challenges in verifying and fixing vulnerabilities.
OpenAI released 722 mathematical manuscripts, grouped into 372 result families, produced by an unreleased internal model. The papers are on GitHub, with Lean formalizations for many but not all of them, and OpenAI warns some unformalized results could have issues.
Anthropic released Claude Haiku 5.5, its cheapest and fastest small model, at $0.10 per million input tokens and $0.50 per million output tokens for prompts up to 100,000 tokens. Anthropic says it costs around 75% less to run than Haiku 4.5 on average and scores far higher on its benchmarks.
