DeepSeek V4.1 Flash 1017 (max) - Intelligence, Performance & Price Analysis | Artificial Analysis
- DeepSeek V4.1 Flash 1017 (Max), released October 17, 2026 by DeepSeek, is an open weights reasoning model scoring 45 on the Artificial Analysis Intelligence Index, well above the median of 19 for comparable models.
- The model has 552 billion total parameters (16 billion active) in a Mixture of Experts architecture, supports text and image input with a 1M token context window, and outputs text at 230.4 tokens per second.
- Pricing is $0.30 per 1M input tokens and $1.20 per 1M output tokens, both below the median for comparable open weight models.
- It is notably verbose, generating 210M output tokens on the Intelligence Index compared to a median of 140M, and is released under the MIT license allowing commercial use.