Z.ai · open weights · frontier
Z.ai: GLM 5.3 Flash
Open weights, so you can run it locally. The published id does not state a parameter count, so none is stored. Size class is this site's filter bucket, not a benchmark.
API price, in pounds
- Input, per million
- £0.0297
- Output, per million
- £0.0584
OpenRouter lists $0.0399 in and $0.0784 out per million tokens. Converted at 0.74501 on 2026-11-10. Fetched 2026-11-11. Context length listed as 1,048,576 tokens.
Sourced local speeds
No sourced tokens-per-second figure for this model. A speed is not invented. You can type one in the calculator if you have measured it.