Head to head
o4-mini vs GLM 5.1
On a blended workload of one million input tokens and three million output tokens, o4-mini is 1.0× cheaper than GLM 5.1.
| o4-mini | GLM 5.1 | |
|---|---|---|
| Provider | OpenAI | Fireworks AI |
| Input / MTok | $1.1 | $1.4 |
| Output / MTok | $4.4 | $4.4 |
| Cache read / MTok | $0.275 | $0.26 |
| Context window | 200,000 | — |
| Blended 1M in + 3M out | $14.30 | $14.60 |
| Status | ga | ga |