Updated September 28, 2026 · DeployCue Editorial Team
OpenAI vs Zhipu AI (Z.ai)
Compare OpenAI and Zhipu AI (Z.ai) using recorded catalog facts and pricing.
| Fact | OpenAI | Zhipu AI (Z.ai) |
|---|---|---|
| Published offerings | 14 | 2 |
OpenAI vs Zhipu AI (Z.ai): the differences
| Fact | OpenAI | Zhipu AI (Z.ai) |
|---|---|---|
| Input price from | $0.10 to $10 | $0.030 to $2.20Lower |
| Output price from | $0.50 to $50 | $0.030 to $8.90Lower |
| Models offered | GPT 6 astra, GPT 6 sol, GPT 6 luna, GPT 5.6 cyber, GPT daybreak red latest, GPT daybreak blue latest, GPT rosalind research, GPT image 2.5 sunburst, GPT image 2.5 flare, GPT live 1, GPT realtime 2.1, GPT realtime 2.1 mini, GPT realtime 2, GPT realtime 1.5, GPT realtime translate, GPT 4o mini tts, GPT transcribe, GPT live transcribe, GPT realtime whisper, GPT 4o transcribe, GPT 4o mini transcribe | GLM 5.3 Flash, GLM 5.3 FlashX, GLM 5.3, GLM 5.2, GLM 5.1, GLM 5, GLM 4.7, GLM 4.7 FlashX, GLM 4.7 Flash, GLM 4.6, GLM 4.5, GLM 4.5 X, GLM 4.5 Air, GLM 4.5 AirX, GLM 4.5 Flash, GLM 4 32B 0414 128K, GLM 4.6V, GLM 4.6V FlashX, GLM 4.6V Flash, GLM 4.5V, GLM OCR, GLM Image, CogView 4, CogVideoX 3, GLM ASR 2512 |
| Largest context window | 1,050,000Higher | 1,000,000 |
| Free credits | Not confirmed | Free models: GLM-4.7-Flash, GLM-4.5-Flash, GLM-4.6V-Flash; cached input storage limited-time free |
| Compliance certifications | SOC 2 Type 2, ISO/IEC 27001:2022, ISO/IEC 27017, ISO/IEC 27018, ISO/IEC 27701:2019, ISO/IEC 42001:2023, PCI DSS, CSA STAR Level 1 | Not confirmed |
Same on both: OpenAI-compatible API (Yes).
Key differences
- Zhipu AI (Z.ai) scores higher overall: 9.40 vs 9.20.
- Input price from is lower at Zhipu AI (Z.ai): $0.030 to $2.20 vs $0.10 to $10.
- Output price from is lower at Zhipu AI (Z.ai): $0.030 to $8.90 vs $0.50 to $50.
- Models offered: only OpenAI offers GPT 6 astra, GPT 6 sol, GPT 6 luna.
- Models offered: only Zhipu AI (Z.ai) offers GLM 5.3 Flash, GLM 5.3 FlashX, GLM 5.3.
- Largest context window is higher at OpenAI: 1,050,000 vs 1,000,000.
Score breakdown
| Area | OpenAI | Zhipu AI (Z.ai) |
|---|---|---|
| Cost | 8.80Input price runs $0.10 to $10 and output $0.50 to $50; entry sits at 43 of 71. | 9.70HigherInput fees of $0.03 to $2.20 sit under the site median of €0.07, and free models add savings. |
| Offer | 9.40HigherOpenAI-compatible API, a 1,050,000 context window, and text, realtime, image and speech in a single catalogue. | 9.20A wide GLM family, an OpenAI compatible API and a 1,000,000 window, but support is email, help centre and community only. |
| Trust | 9.70 | Not confirmed |
Which one suits you
Pick OpenAI if largest context window matter most.
Pick Zhipu AI (Z.ai) if cost, input price from, and output price from matter most.
Every fact side by side
| Fact | OpenAI | Zhipu AI (Z.ai) |
|---|---|---|
| Legal entity | OpenAI OpCo, LLC | JINGSHENG HENGXING TECHNOLOGY PTE.LTD |
| Headquarters | United States | Singapore |
| Founded | 2015 | Not confirmed |
| Support channels | Email, Help centre, Community | Email, Help centre, Community |
Country by country
| Country | OpenAI | Zhipu AI (Z.ai) |
|---|---|---|
| Afghanistan | Yes | No |
| Aland Islands | Yes | No |
| Albania | Yes | No |
| Algeria | Yes | No |
| Andorra | Yes | No |
| Angola | Yes | No |
| Antigua and Barbuda | Yes | No |
| Argentina | Yes | No |
8 of 208 countries where either is available.
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