Updated September 28, 2026 · DeployCue Editorial Team
Writer vs Zhipu AI (Z.ai)
Compare Writer and Zhipu AI (Z.ai) using recorded catalog facts and pricing.
| Fact | Writer | Zhipu AI (Z.ai) |
|---|---|---|
| Published offerings | 0 | 2 |
Writer vs Zhipu AI (Z.ai): the differences
| Fact | Writer | Zhipu AI (Z.ai) |
|---|---|---|
| Input price from | $0.60 to $2.50 | $0.030 to $2.20Lower |
| Output price from | $6 to $10 | $0.030 to $8.90Lower |
| Models offered | Palmyra x6, Palmyra x5, Palmyra x4, Claude Opus 4.5, Claude Opus 4.7, Claude Opus 5, Claude Sonnet 4.5, Claude Sonnet 4.6, Claude Sonnet 5, DeepSeek V4 Flash, DeepSeek V4 Pro, DeepSeek V4.1 Flash, Gemini 2.5 Flash, Gemini 3 Flash Preview, Gemini 3 Pro Image Preview, Gemini 3.1 Pro Preview, Gemini Omni Flash Preview, Gemini Omni 1.1 Flash Preview, Veo 3.1, MiniMax M2.5, Kimi K2.5, Kimi K2.6, GPT 5.4 Image 2, GPT 5.4 Nano, GPT OSS 120B, GLM 4.7, GLM 5, GLM 5.1 | 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 |
| Free credits | Not confirmed | Free models: GLM-4.7-Flash, GLM-4.5-Flash, GLM-4.6V-Flash; cached input storage limited-time free |
| OpenAI-compatible API | Not confirmed | Yes |
| Compliance certifications | SOC 2 Type II, ISO 27001, ISO 27701, ISO 42001, HIPAA, GDPR, PCI DSS | Not confirmed |
Same on both: Largest context window (1,000,000).
Key differences
- Zhipu AI (Z.ai) scores higher overall: 9.40 vs 8.80.
- Input price from is lower at Zhipu AI (Z.ai): $0.030 to $2.20 vs $0.60 to $2.50.
- Output price from is lower at Zhipu AI (Z.ai): $0.030 to $8.90 vs $6 to $10.
- Models offered: only Writer offers Palmyra x6, Palmyra x5, Palmyra x4.
- Models offered: only Zhipu AI (Z.ai) offers GLM 5.3 Flash, GLM 5.3 FlashX, GLM 5.3.
- Support channels: only Zhipu AI (Z.ai) offers Community.
Score breakdown
| Area | Writer | Zhipu AI (Z.ai) |
|---|---|---|
| Cost | 8.10Input fees of $0.60 to $2.50 are well above the €0.08, and Writer ranks 64 of 71 on input price from. | 9.70HigherInput fees of $0.03 to $2.20 sit under the site median of €0.07, and free models add savings. |
| Offer | 9.10Named certifications, SOC 2 Type II, ISO 27001 and ISO 27701, are the clearest reason to shortlist this API. | 9.20HigherA wide GLM family, an OpenAI compatible API and a 1,000,000 window, but support is email, help centre and community only. |
| Trust | 9.40 | Not confirmed |
Cost in a real example
10M input and 2M output tokens, cheapest model
Writer
$18 to $45
10 × $0.60 to $2.50 + 2 × $6 to $10
Zhipu AI (Z.ai)
$0.36 to $39.80
10 × $0.03 to $2.20 + 2 × $0.03 to $8.90
Zhipu AI (Z.ai) costs $17.64 less.
Worked out from the stated prices and rates; your own total depends on how you use it.
Area by area
Writer
- Cost8.1
- Offer9.1
Zhipu AI (Z.ai)
- Cost9.7
- Offer9.2
- Zhipu AI (Z.ai) is ahead on cost, 9.7 against 8.1, winning 2 of 2 facts.
- No winner on offer: both score 9.1.
How the counts compare
| Fact | Writer | Zhipu AI (Z.ai) |
|---|---|---|
| Input price from | $0.60 to $2.50 | $0.030 to $2.20 |
| Output price from | $6 to $10 | $0.030 to $8.90 |
| Largest context window | 1,000,000 | 1,000,000 |
Availability and regulation
| Country | Writer | Zhipu AI (Z.ai) |
|---|---|---|
| Headquarters | United States | Singapore |
Every fact side by side
| Fact | Writer | Zhipu AI (Z.ai) |
|---|---|---|
| Legal entity | Writer, Inc. | JINGSHENG HENGXING TECHNOLOGY PTE.LTD |
| Headquarters | United States | Singapore |
| Founded | 2020 | Not confirmed |
| Support channels | Email, Help centre | Email, Help centre, CommunityCovers more |
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