Fireworks Delays GLM-5.3-Flash Launch to Fix Overthinking

Zhipu's GLM-5.3-Flash launched on Fireworks after a two-day delay, as the team found the open-source engine overthought on reasoning benchmarks, doubling token usage, and fixed the issue with improvements contributed back upstream.

2026-08-30 ~ 2026-08-30 · 2 related posts