Compare DeepSeek V4.1 Flash from DeepSeek and Nano Banana 2.1 from Google on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


DeepSeek V4.1 Flash and Nano Banana 2.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4.1 Flash, from DeepSeek, has a 1,048,576-token context window and is priced at $0.02/M tokens input, $1/M tokens output on OpenRouter.
Nano Banana 2.1, from Google, has a 65,536-token context window and is priced at $1.50/M tokens input, $30/M tokens output on OpenRouter.
| Attribute | DeepSeek V4.1 Flash | Nano Banana 2.1 |
|---|---|---|
| Input price | $0.02/M tokens | Not applicable |
| Output price | $1/M tokens | Not applicable |
| Context window | 1,048,576 tokens | 65,536 tokens |
| Intelligence Index | 24.7 | Not available |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 0.83 s | 0.73 s |
| Throughput (p50) | 86.0 tok/s | 53.0 tok/s |
Benchmark data updated
DeepSeek V4.1 Flash has the longer context window at 1,048,576 tokens, compared with 65,536 tokens for Nano Banana 2.1.
DeepSeek V4.1 Flash is faster on OpenRouter, generating a median 86.0 tokens per second compared with 53.0 tokens per second for Nano Banana 2.1.