Expired70% confidenceFactExact time
When calling DeepSeek V4.1 Flash, developers do not need to change the existing base_url; they only need to set the model name to deepseek-v4.1-flash-expires-on-0910.
4
Sources
70%
Confidence
Short-term (~14 days)
Relevance
9/11/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/25/2026(expired)
Sources
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Related Claims
UnverifiedDeepSeek V4.1 Flash was in closed beta during testing, but could be accessed normally by directly calling the model ID.75% similarUnverifiedDeepSeek offers both Flash and Pro model versions accessible via API73% similarUnverifiedDeepSeek officially stated that DeepSeek-V4.1-Flash is the smallest model in its new architecture family.73% similarPartially VerifiedDeepSeek V4.1 Flash scores lower than the previous version on GPQA, HLE, and other benchmarks.73% similar
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