GLM-4.5 pricing
GLM-4.5, Mid-tier from Z.ai, costs $0.60 per 1M input tokens and $2.20 per 1M output tokens.
Input$0.60per 1M tokens
Output$2.20per 1M tokens
Context window128Ktokens
TierMidZ.ai
Specs and pricing
| Provider | Z.ai |
| Tier | Mid |
| Context window | 128K tokens |
| Max output | 96K tokens |
| Input price | $0.60 / 1M tokens |
| Output price | $2.20 / 1M tokens |
| Cache read | $0.11 / 1M tokens |
| Modalities | text |
Note. Popular open-weight GLM generation, per 1M tokens.
What it costs at realistic volumes
Assuming a 4:1 input:output token ratio, a common shape for chat and RAG-style workloads:
| Volume (4:1 in:out ratio) | Input cost | Output cost | Total / month |
|---|---|---|---|
| 1,000,000 in / 250,000 out | $0.60 | $0.55 | $1.15 |
| 10,000,000 in / 2,500,000 out | $6.00 | $5.50 | $11.50 |
| 100,000,000 in / 25,000,000 out | $60.00 | $55.00 | $115.00 |
Cheaper alternatives
Same tier (Mid), a different provider, and a lower blended cost at the 4:1 ratio used above:
| Model | Provider | $/1M in | $/1M out | At the 4:1 ratio |
|---|---|---|---|---|
| GPT-OSS 120B | OpenRouter | $0.037 | $0.17 | 93.1% cheaper blended |
| GPT-OSS 120B | Novita AI | $0.05 | $0.25 | 90.2% cheaper blended |
| Llama-3.3-70B-Instruct-Turbo | DeepInfra | $0.10 | $0.32 | 84.3% cheaper blended |
| Nemotron 3 Super | OpenRouter | $0.085 | $0.40 | 83.9% cheaper blended |
| DeepSeek V4 Flash 0731 | Baseten | $0.13 | $0.26 | 83% cheaper blended |