Compare MiniMax M3.1 Flash from MiniMax and GLM 5.3 Flash 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.
MiniMax M3.1 Flash and GLM 5.3 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
MiniMax M3.1 Flash, from MiniMax, has a 1,048,576-token context window and is priced at $0.135/M tokens input, $0.54/M tokens output on OpenRouter.
GLM 5.3 Flash, from Z.ai, has a 1,048,576-token context window and is priced at $0.0197/M tokens input, $0.1238/M tokens output on OpenRouter.
| Attribute | MiniMax M3.1 Flash | GLM 5.3 Flash |
|---|---|---|
| Input price | $0.135/M tokens | $0.0197/M tokens |
| Output price | $0.54/M tokens | $0.1238/M tokens |
| Context window | 1,048,576 tokens | 1,048,576 tokens |
| Intelligence Index | 42.7 | 41.8 |
| Coding Index | Not available | 71.5 |
| Agentic Index | Not available | 50.9 |
| Latency (p50) | Not available | 1.05 s |
| Throughput (p50) | Not available | 61.0 tok/s |
Benchmark data updated
GLM 5.3 Flash is cheaper than MiniMax M3.1 Flash on OpenRouter: GLM 5.3 Flash costs $0.0197/M tokens input and $0.1238/M tokens output, while MiniMax M3.1 Flash costs $0.135/M tokens input and $0.54/M tokens output.
MiniMax M3.1 Flash and GLM 5.3 Flash have the same context window of 1,048,576 tokens.