Compare Nano Banana (Gemini 2.5 Flash Image) from Google and GLM 4.6 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.
Nano Banana (Gemini 2.5 Flash Image) and GLM 4.6 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Nano Banana (Gemini 2.5 Flash Image), from Google, has a 32,768-token context window and is priced at $0.30/M tokens input, $30/M tokens output on OpenRouter.
GLM 4.6, from Z.ai, has a 204,800-token context window and is priced at $0.43/M tokens input, $1.75/M tokens output on OpenRouter.
| Nano Banana (Gemini 2.5 Flash Image) | GLM 4.6 | |
|---|---|---|
| Input price | Not applicable | $0.43/M tokens |
| Output price | Not applicable | $1.75/M tokens |
| Context window | 32,768 tokens | 204,800 tokens |
| Intelligence Index | Not available | 18.5 |
| Coding Index | Not available | 45.8 |
| Agentic Index | Not available | Not available |
| Latency (p50) | 1.01 s | 0.91 s |
| Throughput (p50) | 46.0 tok/s | 28.0 tok/s |
GLM 4.6 has the longer context window at 204,800 tokens, compared with 32,768 tokens for Nano Banana (Gemini 2.5 Flash Image).
Nano Banana (Gemini 2.5 Flash Image) is faster on OpenRouter, generating a median 46.0 tokens per second compared with 28.0 tokens per second for GLM 4.6.