Unverified60% confidenceEventExact time
On October 17, 2026, DeepSeek replaced the checkpoint behind the deepseek-flash alias with V4.1 Flash 1017, keeping the model name and price unchanged.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
10/19/2026
First Seen
Valid until: 1/17/2027
Sources
Related Entities
Related Claims
UnverifiedThe price of DeepSeek V4.1-Flash-1017 remains the same as the previous version (deepseek-flash).80% similarPartially VerifiedDeepSeek v4.1 Flash 1017 has been released and has sparked widespread attention in technical communities, but official details disclosed are limited.78% similarVerifiedDeepSeek V4.1 Flash was released on September 10 with MIT open-source weights.76% similarUnverifiedThe release information for DeepSeek V4.1 Flash (1017) only gives a "leading" conclusion and does not disclose key parameters such as model size, context length or license agreement.75% similarVerifiedDeepSeek V4.1 Flash scores lower than the previous version on GPQA, HLE, and other benchmarks.74% similar
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