GLM 5.3 Prime API pricing
As of October 22, 2026, Z.ai GLM 5.3 Prime costs $2.80 per million input tokens and $8.80 per million output tokens, the median of 1 providers on OpenRouter, with cached input at $0.56 per million.
GLM 5.3 Prime benchmarks and specs · Every Z.ai model's price
- Input, per million tokens$2.80
- Output, per million tokens$8.80
- Cached input, per million$0.56
- Context window1M tokens
- Max output131K tokens
- Output speedNot measured
What a request costs
Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.
| Workload | Tokens | One request | 1,000 requests | Fits the context window |
|---|---|---|---|---|
| Chat turn | 1K input + 500 output tokens | $0.0072 | $7.20 | Yes |
| Repository review | 50K input + 3K output tokens | $0.166 | $166.40 | Yes |
| Agent loop | 200K input + 10K output tokens | $0.648 | $648.00 | Yes |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | Not computable | Not computable |
Price history
The price of GLM 5.3 Prime here is the median across 1 providers on OpenRouter, so we do not track price changes for it.
Cheaper models as good as GLM 5.3 Prime
GLM 5.3 Prime has no overall or coding score, so we make no quality claim against it.
GLM 5.3 Prime pricing questions
- How much does GLM 5.3 Prime cost per million tokens?
- $2.80 per million input tokens and $8.80 per million output tokens, as listed on OpenRouter on October 22, 2026.
- Does GLM 5.3 Prime support prompt caching?
- Yes. OpenRouter lists cached input at $0.56 per million tokens, against $2.80 for uncached input.
- Has the price of GLM 5.3 Prime changed?
- The price of GLM 5.3 Prime here is the median across 1 providers on OpenRouter, so we do not track price changes for it.