Head to head
GLM 5.1 vs GPT-5.4 mini
On a blended workload of one million input tokens and three million output tokens, GPT-5.4 mini is 1.0× cheaper than GLM 5.1.
| GLM 5.1 | GPT-5.4 mini | |
|---|---|---|
| Provider | Fireworks AI | OpenAI |
| Input / MTok | $1.4 | $0.75 |
| Output / MTok | $4.4 | $4.5 |
| Cache read / MTok | $0.26 | $0.075 |
| Context window | — | — |
| Blended 1M in + 3M out | $14.60 | $14.25 |
| Status | ga | ga |