DeepSeek V4.1 Flash hits 1,521+ tok/s on Fireworks, ships Tetris in 11 seconds
nicolechirps · x · 2026-10-23
Fireworks AI says DeepSeek V4.1 Flash runs at 1,521+ tok/s on its Ultrafast tier, demoed by shipping a playable Tetris in 11 seconds — claimed 7x faster than Claude Opus 5.5. The Ultrafast tier is currently waitlist-only.
Related event: DeepSeek V4.1 Flash hits 1,521 tok/s on Fireworks Ultrafast(2 posts)→
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