DeepSeek V4.1 Flash 1017
deepseek/deepseek-v4.1-flash-1017The 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. Zero data retention is available on eligible routes; output limits and reasoning levels depend on the selected route. Released under the MIT license.
DeepSeek V4.1 Flash 1017 Thinking
deepseek/deepseek-v4.1-flash-1017:thinkingThe 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. Zero data retention is available on eligible routes; output limits and reasoning levels depend on the selected route. Released under the MIT license.
DeepSeek V4 Flash 0423 (Thinking)
deepseek/deepseek-v4-flash-0423:thinkingThe original 0423 checkpoint of DeepSeek V4 Flash, with a 1M-token context window, text input, tool calling, structured output, and optional reasoning.
