GLM 5 is $4.4 cheaper per 1M input tokens (88% lower; 8.33x difference).
API cost decision in 10 seconds
NewGPT Chat Latest vs GLM 5
Pick GLM 5 for lower cost; pick GPT Chat Latest 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 5 for lower cost; pick GPT Chat Latest only if the larger context window matters more.
On the standard 1M input plus 500K output workload, GLM 5 is estimated at $1.56 vs $20 for GPT Chat Latest, saving $18.44 (92.2% lower).
Cost-first pickGLM 5
Context-first pickGPT Chat Latest
Sample savings$18.4492.2%
10x traffic gap$184.4
GPT Chat Latest has more context, but GLM 5 saves $18.44 on the standard workload. At 10x that traffic, the same price gap is about $184.4. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
GLM 5 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GPT Chat Latest | GLM 5 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | GLM 5 | $40 | $3.96 |
| Balanced workload | 1M input + 1M output | GLM 5 | $35 | $2.52 |
| Output-heavy chatbot | 1M input + 5M output | GLM 5 | $155 | $10.2 |
GLM 5 is $28.08 cheaper per 1M output tokens (93.6% lower; 15.6x difference).
GPT Chat Latest has 197.25K more context (1.97x larger).
GLM 5 is $18.44 cheaper on the standard workload (92.2% lower).
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 5 has the lower input price; GLM 5 has the lower output price; GPT Chat Latest offers the larger context window. For the 1M input plus 500K output sample, GLM 5 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $20 for GPT Chat Latest and $1.56 for GLM 5.
Choose GPT Chat Latest when you care most about larger context window.
Choose GLM 5 when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, GLM 5 is estimated at $1.56 vs $20 for GPT Chat Latest, saving $18.44 (92.2% lower).
- GLM 5 is $18.44 cheaper on the standard workload (92.2% lower).
- GLM 5 is $4.4 cheaper per 1M input tokens (88% lower; 8.33x difference).
- GLM 5 is $28.08 cheaper per 1M output tokens (93.6% lower; 15.6x difference).
- GPT Chat Latest has 197.25K more context (1.97x larger).
| Feature | NewGPT Chat Latest (OpenAI) | GLM 5 (Z.ai) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $0.6 |
| Completion Price per 1M tokens | $30 | $1.92 |
| Sample Workload Cost 1M input + 500K output | $20 | $1.56 |
| Context Window | 400K | 202.75K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | GLM 5 | On the standard 1M input plus 500K output workload, GLM 5 is estimated at $1.56 vs $20 for GPT Chat Latest, saving $18.44 (92.2% lower). |
| High-volume input processing | GLM 5 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | GLM 5 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT Chat Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT Chat Latest when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace GPT Chat Latest when lower sample workload cost matters most: $0.13.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- OpenAI GPT Latest offers 1.05M context with $20 sample workload cost.
- No popular competitor is currently available.
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
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