Compare Qwen3.8 Max Prime from Qwen and GLM 5.3 Prime from Z.ai on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


Qwen3.8 Max Prime and GLM 5.3 Prime are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Qwen3.8 Max Prime, from Qwen, has a 1,000,000-token context window and is priced at $4/M tokens input, $12/M tokens output on OpenRouter.
GLM 5.3 Prime, from Z.ai, has a 1,000,000-token context window and is priced at $2.80/M tokens input, $8.80/M tokens output on OpenRouter.
| Attribute | Qwen3.8 Max Prime | GLM 5.3 Prime |
|---|---|---|
| Input price | $4/M tokens | $2.80/M tokens |
| Output price | $12/M tokens | $8.80/M tokens |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Intelligence Index | Not available | Not available |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 2.14 s | 1.14 s |
| Throughput (p50) | 61.0 tok/s | 80.0 tok/s |
GLM 5.3 Prime is cheaper than Qwen3.8 Max Prime on OpenRouter: GLM 5.3 Prime costs $2.80/M tokens input and $8.80/M tokens output, while Qwen3.8 Max Prime costs $4/M tokens input and $12/M tokens output.
Qwen3.8 Max Prime and GLM 5.3 Prime have the same context window of 1,000,000 tokens.
GLM 5.3 Prime is faster on OpenRouter, generating a median 80.0 tokens per second compared with 61.0 tokens per second for Qwen3.8 Max Prime.