API cost decision in 10 seconds
GLM 5V Turbo vs 🔥GPT-5.4
Pick GLM 5V Turbo for lower cost; pick GPT-5.4 only if the larger context window matters more.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick GLM 5V Turbo for lower cost; pick GPT-5.4 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, GLM 5V Turbo is estimated at $3.2 vs $10 for GPT-5.4, saving $6.8 (68% lower).
Cost-first pickGLM 5V Turbo
Context-first pickGPT-5.4
Sample savings$6.868%
10x traffic gap$68
GPT-5.4 has more context, but GLM 5V Turbo saves $6.8 on the standard workload. At 10x that traffic, the same price gap is about $68. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
GLM 5V Turbo stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GLM 5V Turbo | GPT-5.4 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | GLM 5V Turbo | $8 | $20 |
| Balanced workload | 1M input + 1M output | GLM 5V Turbo | $5.2 | $17.5 |
| Output-heavy chatbot | 1M input + 5M output | GLM 5V Turbo | $21.2 | $77.5 |
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
GLM 5V Turbo has the lower input price, GLM 5V Turbo has the lower output price, and GPT-5.4 offers the larger context window.
For a 1M input token plus 500K output token workload, the estimated API cost is $3.2 for GLM 5V Turbo and $10 for GPT-5.4.
Choose GLM 5V Turbo when you care most about lower input-token price, and lower output-token price.
Choose GPT-5.4 when you care most about larger context window.
| Feature | GLM 5V Turbo (Z.ai) | 🔥GPT-5.4 (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.2 | $2.5 |
| Completion Price per 1M tokens | $4 | $15 |
| Sample Workload Cost 1M input + 500K output | $3.2 | $10 |
| Context Window | 202.75K | 1.05M |
| Release Date | 2026-04-01 | 2026-03-05 |
| Popularity | #19 |
GLM-5V-Turbo is Z.ai’s first native multimodal agent foundation model, built for vision-based coding and agent-driven tasks. It natively handles image, video, and text inputs, excels at long-horizon planning, complex coding,...
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...
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | GLM 5V Turbo | On the standard 1M input plus 500K output workload, GLM 5V Turbo is estimated at $3.2 vs $10 for GPT-5.4, saving $6.8 (68% lower). |
| High-volume input processing | GLM 5V Turbo | Lower prompt-token price matters most when prompts or retrieved passages dominate the bill. |
| Long responses and chatbots | GLM 5V Turbo | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-5.4 | A larger context window leaves more room for retrieved passages and source files. |