Specs
On paper
| GLM 5.2 Fast | GPT-5 | |
|---|---|---|
| Modality | Chat | Chat |
| Context | 1M | 128K |
| Max output | 262K | 16K |
| Price | $0.02typical | $0.025typical |
| Metered input | $2.52/M tok | $1.96/M tok |
| Metered output | $7.92/M tok | $15.68/M tok |
| Providers | 1 | 1 |
| Streaming | ||
| JSON mode | ||
| Tool calling |
Live performance
On our traffic
Each curve is one model, measured on the same network, the same days.
Response latencymedian per day
Collecting live data — a point is recorded for every day of traffic.
Output speedtokens / second
Collecting live data — a point is recorded for every day of traffic.
Uptimesuccessful of gradable
Collecting live data — a point is recorded for every day of traffic.
Requests / dayvolume served
Collecting live data — a point is recorded for every day of traffic.
GLM 5.2 FastGPT-5
Run both. Route to the winner.
One key serves every model here — swap the model string, keep your code.
Get an API key