OpenAI vs 
Zhipu AI
Verdict
- OpenAI's flagship leads: GPT-6 Astra at 70.6 vs GLM-5.3-Flash at 61.0.
- OpenAI's fastest ranked model (GPT-5.4 mini, 218 tok/s) beats Zhipu AI's (GLM-4.7-Flash, 97 tok/s).
- Zhipu AI publishes more open-weights models (14 vs 4).
- OpenAI ships more often: one model every 26 days against every 28.
Best model per price band
Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.
| Price band | OpenAI | Zhipu AI |
|---|---|---|
| Under $0.50/M | GPT-5.6 Luna xhigh 59.3$0.450/M | GLM-5.3-Flash 61.0$0.119/M |
| Under $2/M | GPT-5.6 Luna xhigh 59.3$0.450/M | GLM-5.3-Flash 61.0$0.119/M |
| Under $10/M | GPT-5.6 Sol high 68.0$8.00/M | GLM-5.3-Flash 61.0$0.119/M |
| Any price | GPT-6 Astra max 70.6$22.00/M | GLM-5.3-Flash 61.0$0.119/M |
Line-up
| Metric | OpenAI | Zhipu AI |
|---|---|---|
| Flagship index | 70.6 | 61.0 |
| Ranked models | 38 | 14 |
| Open-weights models | 4 | 14 |
| Cheapest ranked, $/M | $0.085 | $0.119 |
| Fastest ranked, tok/s | 218 | 97 |
| Release cadence, days | 26 | 28 |
| Last release | 3 Sept 2026 | 20 Aug 2026 |
| Next expected | 18 Sept 2026 – 9 Oct 2026 | 5 Sept 2026 – 28 Sept 2026 |