Compare DeepSeek V4.1 Flash from DeepSeek and Qwen3.8 Max (0902) from Qwen 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 Qwen3.8 Max (0902) 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 $0.0373/M tokens input, $1.20/M tokens output on OpenRouter.
Qwen3.8 Max (0902), from Qwen, has a 1,000,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.
| DeepSeek V4.1 Flash | Qwen3.8 Max (0902) | |
|---|---|---|
| Input price | $0.0373/M tokens | $2/M tokens |
| Output price | $1.20/M tokens | $6/M tokens |
| Context window | 1,048,576 tokens | 1,000,000 tokens |
| Intelligence Index | 39.5 | 45.4 |
| Coding Index | Not available | 76.2 |
| Agentic Index | Not available | 56.0 |
| Latency (p50) | 1.23 s | 1.69 s |
| Throughput (p50) | 95.0 tok/s | 36.0 tok/s |
DeepSeek V4.1 Flash is cheaper than Qwen3.8 Max (0902) on OpenRouter: DeepSeek V4.1 Flash costs $0.0373/M tokens input and $1.20/M tokens output, while Qwen3.8 Max (0902) costs $2/M tokens input and $6/M tokens output.
DeepSeek V4.1 Flash has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Qwen3.8 Max (0902).
DeepSeek V4.1 Flash is faster on OpenRouter, generating a median 95.0 tokens per second compared with 36.0 tokens per second for Qwen3.8 Max (0902).