GLM-5.3 vs GPT-5.5
GPT-5.5 wins 2 of 4 shared jobs. 1 is too close to call.
Score by job
Scores run from 0 to 100 within each job. A gap under 3 points is too close to call. ~ marks an early read from too few benchmarks to rank. How scores work
At a glance
| Detail | GLM-5.3 | GPT-5.5 |
|---|---|---|
| Maker | Z.ai (Zhipu AI) | OpenAI |
| Released | Aug 14, 2026 | Apr 23, 2026 |
| Weights | Closed | Closed |
| Price per 1M tokens | $1.40 in · $4.40 out | $5 in · $30 out |
| Overall rank | #11 | #9 |