Unisound U2 and GLM-5.2 keep pushing the cheap open-agent tier.

Unisound's U2 is a 266B-total / 10B-active MoE tuned for agents, citing 72.2% SWE-bench Verified at $0.15/$0.30 per 1M tokens, while GLM-5.2 is getting named the strongest open-weight coding model across July roundups. Both are roundup-sourced, so verify the benchmarks against primary release notes before you build on them. Directionally, they're more evidence that self-hostable weights can now anchor real coding-agent work.