Lumina(@LuminaBench):🚨 DeepSeek V4.1 Flash API beta is live DeepSeek are testing an intermediate build with: • Model ID: deepseek-v4.1-flash-expires-on-0910 • new architecture + native multimodality • stronger + faster • It's already callable right now through their API From the slug this looks like a very short test before the real V4.1 release, looks interesting imo

Lumina

@LuminaBench

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Lumina@LuminaBench

2026.09.08 08:14

🚨 DeepSeek V4.1 Flash API beta is live DeepSeek are testing an intermediate build with: • Model ID: deepseek-v4.1-flash-expires-on-0910 • new architecture + native multimodality • stronger + faster • It's already callable right now through their API From the slug this looks like a very short test before the real V4.1 release, looks interesting imo