Datacurve

Data Points: DeepSWE Benchmark, DeepSeek V4 Price Cuts, MAI-Image-2.5, Mythos Security Findings, MCP Stateless Update

This edition of The Batch covers five distinct AI developments: Datacurve's DeepSWE benchmark claims to fix critical grading flaws in SWE-bench Pro with hand-written verifiers and harder tasks; DeepSeek permanently cuts V4 Pro prices by 75%; Microsoft's MAI-Image-2.5 debuts third on the Arena leaderboard; Anthropic's Claude Mythos Preview found over 10,000 high/critical vulnerabilities in the first month of Project Glasswing, with remediation badly lagging discovery; and the Model Context Protocol proposes removing stateful sessions to enable stateless, load-balanced remote servers. Each item reflects meaningful movement in evaluation methodology, inference economics, multimodal generation, AI-assisted security, and agent tooling infrastructure.