The October 17, 2026 snapshot of DeepSeek V4.1 Flash supports text and image input, tool calling, and optional reasoning with low, high, and max effort. It has a shared 1,048,576-token context window and supports up to 393,216 output tokens within the remaining context. Released under the MIT license.
DeepSeek V4.1 Flash 1017 Thinking is currently listed from a single provider. Its reference price is $0.15 per 1M input tokens and $0.60 per 1M output tokens.
The context window is 1,048,576 tokens, with an output limit of 393,216 tokens. It supports reasoning and tool use. Accepted input modalities are Text and Image. The weights are open, so it can also be self-hosted or served through a gateway of your choice.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT deepseek/deepseek-v4.1-flash-1017:thinking | Gateway | $0.15 | $0.60 | $0.003 | — | 1,048,576 | 393,216 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Price history accumulates from each data sync; currently only 1 sample(s) (2026-10-17). Each future sync adds a point, and once accumulated a line is drawn here.