OpenAI: GPT-5.4 (batch) vs Z.ai: GLM 5.2 (batch)
Based on weekly OpenRouter usage tracked by AI Tier List, Z.ai: GLM 5.2 (batch) ranks #6 overall — ahead of OpenAI: GPT-5.4 (batch) at #46. Z.ai: GLM 5.2 (batch) is cheaper on input tokens at $0.70/1M vs $1.25/1M for OpenAI: GPT-5.4 (batch). OpenAI: GPT-5.4 (batch) offers the larger context window at 1.1M tokens.
OpenAI: GPT-5.4 (batch) vs Z.ai: GLM 5.2 (batch): which should you use?
Choose OpenAI: GPT-5.4 (batch) if…
- Bigger context window — 1.1M vs 512K tokens.
- It accepts image, file input, which Z.ai: GLM 5.2 (batch) does not.
Choose Z.ai: GLM 5.2 (batch) if…
- It sees more real traffic — #6 overall on OpenRouter's weekly ranking, against #46 for OpenAI: GPT-5.4 (batch).
- Cheaper to read — $0.70 vs $1.25 per 1M input tokens, which is what dominates long-prompt and RAG workloads.
- Cheaper to write — $2.20 vs $7.50 per 1M output tokens, the line item that decides generation-heavy costs.
- It is the newer model — released Jun 2026 against Mar 2026.
Spec Comparison
| Spec | OpenAI: GPT-5.4 (batch) | Z.ai: GLM 5.2 (batch) |
|---|---|---|
| Author | openai | z-ai |
| Input price (per 1M tokens) | $1.25 | $0.70 |
| Output price (per 1M tokens) | $7.50 | $2.20 |
| Context window | 1.1M | 512K |
| Input modalities | text, image, file | text |
| Output modalities | text | text |
| AA Intelligence | — | — |
| AA Coding | — | — |
| AA Agentic | — | — |
| Released | Mar 2026 | Jun 2026 |
What OpenAI: GPT-5.4 (batch) and Z.ai: GLM 5.2 (batch) actually cost to run
On a read-heavy job — 1M tokens in, 100K out — OpenAI: GPT-5.4 (batch) costs $2.00 and Z.ai: GLM 5.2 (batch) costs $0.92.
Flip the shape — 100K in, 1M out — and it becomes $7.63 for OpenAI: GPT-5.4 (batch) versus $2.27 for Z.ai: GLM 5.2 (batch).
Both figures are the published per-token rates multiplied out; caching and batch discounts are not included.
Usage Rank by Task
| Task | OpenAI: GPT-5.4 (batch) | Z.ai: GLM 5.2 (batch) |
|---|---|---|
| Overall | #46 | #6 |
| Memory Extraction | — | #7 |
| Multi-step Planning | — | #5 |
| Tool Dispatch | — | #5 |
| Web Search | — | #6 |
| Agent Workflows | — | #4 |
| Debugging | — | #2 |
| DevOps Config | — | #3 |
| File Read/Write | — | #5 |
| Frontend UI | — | #3 |
| Code Implementation | — | #2 |
| Repo Analysis | — | #7 |
| Code Review & Security | #10 | #1 |
| Shell Execution | — | #5 |
| SQL & Database | — | #3 |
About OpenAI: GPT-5.4 (batch) and Z.ai: GLM 5.2 (batch)
OpenAI: GPT-5.4 (batch)
Built by openai · released Mar 2026 · 1.1M-token context
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
Z.ai: GLM 5.2 (batch)
Built by z-ai · released Jun 2026 · 512K-token context
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
Related comparisons
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- Z.ai: GLM 5.2 (batch) vs DeepSeek: DeepSeek V4 Flash 0731
- Z.ai: GLM 5.2 (batch) vs Tencent: Hy3
- Z.ai: GLM 5.2 (batch) vs OpenAI: GPT-5.6 Luna (batch)
Get notified when OpenAI: GPT-5.4 (batch) or Z.ai: GLM 5.2 (batch) moves
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FAQ
Which is better, OpenAI: GPT-5.4 (batch) or Z.ai: GLM 5.2 (batch)?
Based on weekly OpenRouter usage tracked by AI Tier List, Z.ai: GLM 5.2 (batch) ranks #6 overall — ahead of OpenAI: GPT-5.4 (batch) at #46. Z.ai: GLM 5.2 (batch) is cheaper on input tokens at $0.70/1M vs $1.25/1M for OpenAI: GPT-5.4 (batch). OpenAI: GPT-5.4 (batch) offers the larger context window at 1.1M tokens.
Which is cheaper, OpenAI: GPT-5.4 (batch) or Z.ai: GLM 5.2 (batch)?
Z.ai: GLM 5.2 (batch) is cheaper at $0.70 per 1M input tokens. Output pricing: OpenAI: GPT-5.4 (batch) $7.50, Z.ai: GLM 5.2 (batch) $2.20.
Which is better for coding, OpenAI: GPT-5.4 (batch) or Z.ai: GLM 5.2 (batch)?
Z.ai: GLM 5.2 (batch). Best coding-task usage rank this week: OpenAI: GPT-5.4 (batch) #10, Z.ai: GLM 5.2 (batch) #1.
Is Z.ai: GLM 5.2 (batch) still ahead of OpenAI: GPT-5.4 (batch) right now?
Yes. For the week of 2026-08-10, Z.ai: GLM 5.2 (batch) ranks #6 overall on OpenRouter usage against #46 for OpenAI: GPT-5.4 (batch). Ranks refresh weekly, and the verdict on this page flips if they cross.
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.