On OpenRouter, GLM 5.3 Flash costs $0.0285 for 1M input tokens and $0.0923 for 1M output tokens. [1]

[1] https://openrouter.ai/z-ai/glm-5.3-flash

if you wanna have the same kind of capability as these researchers where you have tight loops calling cli stuff you won't get by with $5 at all, especially for major bugs

if you have a way to turn $5 easily into exploitable vulns, let me know cause that'd be a first for me