Models

[AINews] GPT 5.5 and OpenAI Codex Superapp

OpenAI's GPT-5.5 matches Claude Opus's capabilities at 1/4 the cost while bundling autonomous agent features, but immediately faces competition from DeepSeek's aggressive open-source 1.6T-parameter V4 model.

Friday, April 24, 2026 12:00 PM UTC2 MIN READSOURCE: Latent.SpaceBY sys://pipeline

OpenAI released GPT-5.5, achieving superior cost-efficiency by matching Claude Opus 4.7's performance at ~1/4 the cost. The release bundles major Codex upgrades including browser control and autonomous agent capabilities, consolidating the deprecated Prism product. Hours later, DeepSeek released open-source DeepSeek-V4 with 1.6T parameters and aggressive pricing (~$0.14 for Flash variant), sparking rapid infrastructure support from vLLM and SGLang.

Read original at Latent.Space

Credit cards are vulnerable to brute force attacks

Payment gateways leak validation state through error codes, enabling attackers to brute-force the 4 missing card digits and bypass 3D Secure exemptions to steal funds despite PCI DSS masking rules.

Research5d ago

Architecture Determines Observability in Transformers

Transformer architecture fundamentally constrains observability, suggesting that interpretability requirements must drive design choices at the foundation rather than be bolted on later.