Can Swift 1.5 Qwen3.8 Flash Next run on iPhone 16?

NO — Won't fit
Formula estimate

What this means

None of the versions we checked fit safely on this phone. The checked version needs about 79.2 GB, while we estimate that the model can use about 5.2 GB.

Try a smaller model, or use this model on a device with more memory.

This result is calculated from the phone and model specifications. It has not been measured on this exact phone and setup.

−74GB short
memory that doesn't exist here
79.2GB
needed at Q2_0
Q2_0
quant checked
needs 79.2 GBusable 5.2 GB · short 74 GB
Apple A188 GB RAMMetal

Three ways forward

1
Try a smaller quant
No quant of Swift 1.5 Qwen3.8 Flash Next fits this phone — even the smallest is too big. Options 2 and 3 are your real choices.
2
Best model that fits
Qwen3 0.6B · Q8_0 · 0.6 GB
✓ ~45 tokens/s here
check Qwen3 0.6B →
3
Run it in the cloud
The full Swift 1.5 Qwen3.8 Flash Next, no download, at data-center speed — pay per token.
provider recommendations coming later

Where the memory goes

ComponentDetailGB
Model weightsQ2_0 GGUF (66.5 GB) + mmap overhead69.8
KV cache4K context window8.8
Runtimellama.cpp + app overhead0.6
Total neededat Q2_0, 4K context79.2
Working budget8 GB RAM − iOS reserve (jetsam limit)5.2
Headroommemory shortfall−74

Pick your quant

QuantDownloadVerdictSpeed
Q2_0 66.5 GB✕ Won't fitwon't fit

Related checks

More on iPhone 16
Qwen3 0.6BQwen3 1.7BLlama 3.2 1BGemma 3 1BDeepSeek R1 Distill 1.5B
Swift 1.5 Qwen3.8 Flash Next on other phones
Galaxy S25 UltraGalaxy S25Galaxy S24 UltraGalaxy S24Galaxy S23 Ultra